Superabrasive Lavina 32M-S User manual
Superabrasive Owner’s Manual – Lavina® 32M-S/32M-S-HV 2/2014
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LAVINA®32M -S User Manual
Tech Support Line: 800-987-8403 | www.superabrasive.com | info@superabrasive.us
Superabrasive Owner’s Manual – Lavina® 32M-S/32M-S-HV 1/2014
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Table of Contents
1.GENERALINFORMATION......................................................................3
Manufacturer...........................................................................................3
GeneralDescription.................................................................................3
Machinecharacteristics...........................................................................3
Lavina®32M‐S/32M‐S‐HVMaindesign....................................................3
EnvironmentalConditions........................................................................3
ElectricalConnection...............................................................................4
VacuumConnection.................................................................................4
TechnicalData..........................................................................................4
Vibrations.................................................................................................4
SonorousEmissions.................................................................................4
LabelData................................................................................................4
CustomerService.....................................................................................4
2.SAFETYISTRUCTIONS............................................................................5
RecommendedUse..................................................................................5
ProhibitedUse.........................................................................................5
Preparationforwork................................................................................5
ProtectionDevices...................................................................................5
ArrestFunctions.......................................................................................5
SafeUse...................................................................................................5
ResidualRisks...........................................................................................5
BeforeYouBegin......................................................................................5
OperatingMachine..................................................................................5
AfterWorkiscompleted..........................................................................5
TheWorkArea.........................................................................................5
PERSONALPROTECTIVEEquipment(ppe)................................................5
Operator..................................................................................................6
3.HANDLINGANDTRANSPORTATION.....................................................6
Positioningthehandle.............................................................................6
USINGTHESTEERINGBRACKET................................................................6
Flippingthemachineup...........................................................................7
Splittingthecarriagefromthemainhead...............................................7
Lifting.......................................................................................................7
Leadingpowercable................................................................................8
Thirdwheel..............................................................................................8
Storage.....................................................................................................8
4.OPERATION...........................................................................................8
PreliminaryControls................................................................................8
Controlofthewaterflow..........................................................................8
AdjustingandMountingTools.................................................................9
ControlBoard...........................................................................................9
StartingtheMachine..............................................................................10
OperatingtheMachine..........................................................................10
StoppingtheMachine............................................................................10
Alarm.....................................................................................................10
5.TOOLSANDACCESSORIES...................................................................11
Weights..................................................................................................11
Toolholderkey......................................................................................11
FoamPlate.............................................................................................11
SecurityplateforQuickchangepads......................................................11
6.POPULARTOOLS................................................................................12
7.EXPLODEDVIEW.................................................................................13
GeneralExplodedView(fig.7.1)............................................................13
TOOLHOLDERFORMACHINESExplodedView(fig.7.2)........................13
BOTTOMCOVERASSEMBLYExplodedView(fig.7.3).............................13
PULLEYUNITExplodedView(fig.7.4)....................................................13
MOTORSUPPORTExplodedView(fig.7.5).............................................13
CENTRALSHAFTBEARINGExplodedView(fig.7.6)................................14
TopCoverExplodedView(fig.7.7).........................................................14
GUARDASSEMBLYExplodedView(fig.7.8)...........................................14
CarriageExplodedView(fig.7.9).............................................................14
STEERINGBRACKETExplodedView(fig.7.10).........................................14
ToolHolderExplodedView(fig.7.11).....................................................14
8.MAINTENANCEANDINSPECTION.......................................................15
Cleaning..................................................................................................15
CheckDaily.............................................................................................15
Checkafterthefirst15WorkingHours..................................................15
CheckEvery200WorkingHours............................................................15
CheckEvery400WorkingHours............................................................15
Vacuum..................................................................................................15
WaterLeaks............................................................................................15
ElectricalSystem....................................................................................15
MechanicalParts....................................................................................15
CARRIAGE...............................................................................................15
Lavina®32M‐S‐HVElectricalschemeswithYaskawaInverter380‐480Volt
...............................................................................................................16
9.TROUBLESHOOTING...........................................................................18
IndexofProblemsandSolutions............................................................18
9.1ReplacingPowerCordandPlugs......................................................18
9.2DISMOUNTINGANDMOUNTINGTOOLHOLDER..............................18
9.3TensioningusedplanetaryBelt........................................................19
9.4Mountingandtensioninganewplanetarybelt................................19
9.5tensioningandreplacingthebelts....................................................19
9.6ReplacingthePULLEYS......................................................................20
9.7Replacingthewheel.........................................................................20
9.8ReplacingPARTSFROMTHEDRIVINGOFTHECARRIAGE.................20
9.9Motorconnection.............................................................................20
FaultdiagnosisInverterYASKAWAV1000..............................................21
10.WARRANTYANDRETURNS...............................................................24
ReturnPolicyforLavina®32M‐S/32M‐S‐HV...........................................24
11.DISPOSAL..........................................................................................24
12.MANUFACTURER’SCONTACTS.........................................................24
13.SPAREPARTS....................................................................................25
13.1LAVINA®32M‐SGeneralParts........................................................25
13.2LAVINA®32M‐STOOLHOLDERFORMACHINESParts..................25
13.3LAVINA®32M‐SBOTTOMCOVERASSEMBLYParts.......................25
13.4LAVINA®32M‐SPULLEYUNITParts.............................................26
13.5LAVINA®32M‐SBOTTOMCOVERASSEMBLYParts.......................26
13.5a.LAVINA®32М‐SFORALLPULLEYUNITS.....................................27
13.6.LAVINA®32M‐SCENTRALSHAFTBEARINGParts........................27
13.8LAVINA®32M‐SGUARDASSEMBLYParts....................................27
13.9LAVINA®32M‐SCarriageParts.......................................................28
13.10LAVINA®32M‐SSTEERINGBRACKETParts..................................29
13.11LAVINA®32M‐SWaterTANKASSEMBLYPARTS.........................29
13.12LAVINA®32M‐SToolHolderParts................................................29
13.13LAVINA®32M‐SmotorFANParts................................................29
13.14Lavina®32M‐S‐HVControlBoxParts380‐480Volt......................30
Superabrasive Owner’s Manual – Lavina® 32M-S/32M-S-HV 2/2014
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Figure 1.4
1. GENERAL INFORMATION
This owner’s manual is intended for the operator of the Lavina®32M-S/32M-S-HV machine, the servicing technician as
well as for anyone involved with operating or servicing the machine. We recommend that you read the instructions very
carefully and follow them strictly. The manual includes information about assembling, using, handling, adjusting and
maintaining your Lavina®32M-S/32M-S-HV floor grinding and polishing machine.
MANUFACTURER
Superabrasive was founded in 1987, as a manufacturer of high quality diamond tools for the stone and concrete
industry. Today, Superabrasive is one of the world’s leading companies in the production of diamond tools and floor
grinding machinery. At Superabrasive, we strive to deliver the very best solutions to our customers, and enable them to
work more efficiently.
GENERAL DESCRIPTION
The Lavina®32M-S/32M-S-HV machine is intended for grinding, polishing and buffing concrete, marble, granite,
limestone and terrazzo surfaces with diamond tools.
The Lavina®32M-S/32M-S-HV is a self-propelled six-disc machine and can be used dry as well as wet.
For best results, use only tools manufactured or recommended by Superabrasive and its distributors.
WARNING!
The Lavina®32M-S/32M-S-HV machine is manufactured and fitted for the above-
mentioned applications only! Every other use may possess risks to the persons
involved.
MACHINE CHARACTERISTICS
The Lavina®32M-S/32M-S-HV is made of two main
component sections:
LAVINA®32M-S/32M-S-HV MAIN DESIGN
The two main component sections, the carriage and main
head.
The wheels of the carriage are driven by one gear box that
allows working with the machine without continuous guiding
from the operator. The handle on the frame is adjustable in height and enables the operator to
work in a correct and safe posture.
Two halogen spotlights (Fig.1.2) enable the operator to work in darker areas. The lamp holder can be adjusted in
different positions.
Existing lighting system does not replace adequate
overhead lighting.
A frame (U-joint technology) on top of the motor base is providing the
main head a possibility to move to all sides and it gives more grinding
capacity.
The controls are positioned on top of the handle (fig.1.3)
The electrical box contains the electric
switching devices and inverters. The motor
feeding cable is plugged in the socket located on the bottom of the box. The main
feeding cable is connected with a plug and socket on the side of the box (fig.1.4).
The water tank is on the opposite side of the frame, so that the weight of the water
has no influence on the operation of the machine. The water from the tank is supplied
by a pump. The frame weight, on the other hand, is fully absorbed by the driving
wheels.
The working part motor is mounted on the base plate and the six grinding heads
are driven by a two-belt system. The planetary head is driven by a third flat belt.
ENVIRONMENTAL CONDITIONS
The temperature range for operating the Lavina®32М-S/32М-S-HV outdoors is between 41°F and 86°F or 5°C and
30°C. Never use the Lavina®32М-S/32М-S-HV during rain or snow when working outdoors. When working indoors,
always operate the machine in well-ventilated areas.
Figure 1.2
Figure 1.1
Figure 1.3
Superabrasive Owner’s Manual Original Language – Lavina ®32M-S /32M-S-HV 2/2014
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ELECTRICAL CONNECTION
The voltage (Volt) and power (Ampere) are displayed on a label on the electrical control box to avoid any incorrect
connection. Refer to these before connecting the power. To avoid electrical shocks, make sure the ground power
supply is functioning properly.
VACUUM CONNECTION
A connection for a vacuum dust extractor is located on the carriage. The Lavina®32M-S/32M-S-HV does not include a
vacuum dust extractor. The customer must purchase the vacuum dust extractor separately. The hose of the vacuum
extractor must be Ø 76 mm/3 Inch and can be glided over the three-way pipe. The vacuum dust extractor must be
adapted for floor grinders and have a minimum air displacement of 500m3/h with a negative vacuum of 21 kPa.
TECHNICAL DATA
VIBRATIONS
The vibrations of the machine are within the limits of directives and harmonized standards from the European Union
when the Lavina®32М-S/32М-S-HV is operated with the recommended tools and in normal conditions.
SONOROUS EMISSIONS
The sonorous emissions are within the limits of directives and harmonized standards from the European Union when
the Lavina®32М-S/32М-S-HV is operated with the recommended tools and in normal conditions. However, as
previously stated, the operator must wear ear protectors.
LABEL DATA
The data on the label provides the correct voltage and kW (needed for operational purposes);
Weight (needed for transportation purposes); production year and serial number (needed for maintenance purposes).
CUSTOMER SERVICE
For customer assistance and technical support call your local distributor or call Superabrasive Inc. at
1-800-987-8403 or visit us at www.superabrasive.com , where you can download a copy of this manual.
Lavina
®
32M-S Lavina
®
32M-S-HV
Voltage/Hz 3ph x 200-240 V 50/60Hz 3ph x 380-460 V 50/60Hz
Amperage 60 Amps 31 Amps
Power 15.4 kW 20 hp 15.4 kW 20 hp
Tool holder rpm 300-1100 rpm 300-1100 rpm
Working width 811mm 32” 811mm 32”
Tool holder diameter 6 x 225 mm 6 x 9” 6 x 225 mm 6 x 9”
Weight 528 kg 1165lbs 528 kg 1165lbs
Grinding pressure 297 kg 655 lbs 297 kg 655 lbs
Additional weight max 2x29kg 2x64 lbs max 2x29kg 2x64 lbs
Application wet and dry wet and dry
Vacuum hose port 76 mm 3” 76 mm 3”
Water attachment Quick change for ¾” hose Quick change for ¾” hose
Water tank capacity 46 l 12 gal 46 l 12 gal
Water feed Peripheral and front stream
with pump ирегулиране на дебита
Peripheral and front stream
with pump ирегулиране на дебита
Cable length 17.4 m 57 ft 17.4 m 57 ft
Third wheel option option
Надлъжен наклон пода не повече от 15 % не повече от 15 %
Machine LxWxH 2430x850x1300 mm 96”x34”x51” 2430x850x1300 mm 96”x34”x51”
Packing LxWxH 1460x1000x1500 mm 57”x39”x59” 1460x1000x1500 mm 56”x37”x59”
Superabrasive Owner’s Manual Original Language – Lavina ®32M-S /32M-S-HV 2/2014
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2.SAFETY ISTRUCTIONS
RECOMMENDED USE
The Lavina®32М-S/32М-S-HV machine is designed
and manufactured to grind and polish concrete, terrazzo
and natural stone floors. It can be used for renovations as
well as for polishing. The machine is designed for dry or
wet use. When using it dry, use a vacuum of appropriate
size. For more information, please refer to the chapter on
handling the vacuum connection.
PROHIBITED USE
The machine MUST NOT be used:
For applications different from the ones stated in the
General Description chapter.
For not-suitable materials.
In environments which:
Possess risks of explosion
Possess high concentration of powders or oil substances
in the air
Possess risks of fire
Feature inclement conditions.
Possess electromagnetic radiation.
PREPARATION FOR WORK
Make sure that:
You have closed the work area, so that no person
unfamiliar with operating the machine can enter the area
The tool plate and tools are adjusted to the machine
properly
There are no missing parts of the machine
The machine is in upright working position
The protection devices are working properly.
The electrical cable is free to move and follow the
machine easily. In order to keep the electrical cable from
being damaged, no vehicle should cross the zone where
electrical cables are situated.
PROTECTION DEVICES
The machine is equipped with
several protection devices including the following:
An emergency stop button
A protection skirt and a hood for protecting the tool plates.
These devices protect the operator and/or others persons
from potential injuries. Do not remove them. On contrary,
before using the machine, please ensure that all
protection devices are mounted and function properly.
ARREST FUNCTIONS
Functions of arresting of the
machine are following:
Button to stop the motor (category 1)
Emergency button (category 1)
SAFE USE
The Lavina®32M-S/32M-S-HV is designed to eliminate all
risks correlated with its use. However, it is not possible to
eliminate the risks of an eventual accident with the
machine. Unskilled or uninstructed operator may cause
correlated residual risks. Such risks are:
Position Risks due to operator’s incorrect working
position
Tangling up Risks due to wearing inappropriate
working clothes
Training Risks due to lack of operational training
NOTE: In order to reduce all consequences of the above-
mentioned risks, we advise that machine operators will
follow the instructions in the manual at all times.
RESIDUAL RISKS
During the normal operating and maintenance cycles, the
operator is exposed to few residual risks, which cannot be
eliminated due to the nature of the operations.
BEFORE YOU BEGIN
Working area must be clear from any debris or objects.
A first-time operator must always read the manual and pay
attention to all safety instructions.
All electric connections and cables must be inspected for
potential damages.
Ground wire system of the power supply must be also
inspected.
Perform general daily inspections of the machine and
inspect the machine before each use.
Always inspect the safety devices:
The emergency break must be clear and working
The tool protector must be working
The machine must be clean
Never operate the machine in the rain!
Confirm that there are no missing parts especially after
transportation, repair or maintenance.
Before filling the water tank with water make sure the
machine is not working and the main switch is turned off.
Before turning on the machine make sure that the base is
placed on the floor, the machine MUST NOT be in an
upright position when turned on!
OPERATING MACHINE
Never work with the machine
without visual contact with it.
Never run the machine when you are situated between the
handles of the wheel
When operating the Lavina®32M-S/32M-S-HV, make
certain that there is no one, but you around the machine.
Never leave the machine unattended while working.
The electrical cable must move freely and must be
damage-free.
The water hose must move freely and must be damage-
free.
Check if the floor, you work on, is not too uneven. If this is
the case, it may damage the machine.
AFTER WORK IS COMPLETED
Clean the machine and its surroundings properly
Empty and clean the water tank
Unplug the machine and wind up the electrical cable
Store the machine in a safe place
THE WORK AREA
Make certain that people or vehicles do not enter the work
area.
Avoid cables and hoses being in the way.
Always check the floor for debris
PERSONAL PROTECTIVE
EQUIPMENT (PPE)
Always wear safety shoes when working with the
machine.
All personnel in the immediate work area must wear safety
glasses with side shields.
Superabrasive Owner’s Manual Original Language – Lavina ®32M-S /32M-S-HV 2/2014
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Always wear safety gloves when changing the tools.
Always wear clothes suitable for the work environment.
OPERATOR
The operator Lavina®32M-S/32M-S-HV machine must have
an adequate technical knowledge and preparation.
The operator must know the machine’s work environment.
Only one operator at a time can work with the machine.
The operator must be properly trained and well instructed
prior operating the machine.
The operator must understand all the instructions in this
manual.
The operator must understand and interpret all the
drawings and designs in manual.
The operator must know all sanitation and safety
regulations pertaining to the operation of
The operator must have floor grinding experience.
The operator must know what to do in case of emergency
3. HANDLING AND TRANSPORTATION
POSITIONING THE HANDLE
USING THE STEERING BRACKET
By loosing the swivel bolt (Fig. 3.1-2), turn the steering bracket (Fig. 3.1-3)
in position. To turn the steering bracket down (Fig. 3.1-3) you have to turn
loose the swivel bold (Fig. 3.1-2), and push it in, this for security reasons.
The handle can be positioned in three
positions:Transport position to store or to
transport or to hoist the machine (fig. 3.4)
Working position (fig. 3.5) and Flipping position
(fig. 3.6)
To change the handle positions pull the knob
(Fig. 3.1-1, Fig. 3.7, and Fig. 3.8),
move the handle up or down.
To choose the transport-position pull the
additional the security pin (Fig. 3.9, Fig. 3.10) out
and put it back in when the handle is in position.
Never lift the machine on the handle without
mounting this pin.
Figure 3.4 Figure 3.6
Figure 3.5
Figure 3.1 Figure 3.2 Figure 3.3
Figure 3.7
Figure 3.9
Figure 3.8
Figure 3.10
Superabrasive Owner’s Manual Original Language – Lavina ®32M-S /32M-S-HV 2/2014
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FLIPPING THE MACHINE UP
To change the tools put the handle in the flipping
(upright) position (Fig. 3.11), grab the steering
bracket and pull the machine with all your
bodyweight down (one foot on the control box can
help) Put the bracket down on the floor (Fig. 3.12)
and change tools. While putting the machine down
a foot on the control box helps again.
SPLITTING THE CARRIAGE FROM THE MAIN
HEAD
Unplug the motor cable plug from the control box
(Fig. 3.13) and disconnect the water hose from the
main head by pulling it out (Fig. 3.14) and (Fig.
3.15). Release the pin sets (Fig. 3.16) and
dismantle the third wheel. Release the pin sets
(Fig. 3.17) which attach the head to the carriage
and divide the carriage from the main head (Fig. 3.18).
LIFTING
Lifting the machine by crane is possible by using the hoisting ring mounted on
the carriage (see Fig.3.19). The eye bolt and machine construction is rated only
for the weight of the machine. Do not lift any other loads on the machine. Use
always hoisting equipment rated for 600 kg or 1300 lbs. See to it the security
pin (Fig. 3.9, Fig. 3.10) is mounted.
Figure 3.19
Figure 3.6
Figure 3.5
Figure 3.13 Figure 3.14 Figure 3.15
Figure 3.16 Figure 3.17 Figure 3.18
Superabrasive Owner’s Manual Original Language – Lavina ®32M-S /32M-S-HV 2/2014
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LEADING POWER CABLE
There is the possibility to lead the power cable through a shackle mounted on the hoisting ring.(see fig. 3.20).
There is a possibility to lead the power cable on sides of the machine on a specially mounted bearer (fig. 3.21; fig.3.22).
On side the cable can be leaded to the left or to the right side according to the operator request. The bearer is put away
when is not in use, as shown on fig. 3.23.
THIRD WHEEL
With Lavina®32M-S/32M-S-HV there is a possibility for mounting of a 3rd wheel support complete assembly (Fig.3.23),
which ensures easier handling - Item number is L32S-04.00.00.
Mounting/Dismounting with Pin assembly (see Fig. 3.24 1-2).
While working there is a possibility to turn the wheel support 90º(Fig.3.24). Pull out the handle,turn it in 90°and fix again.
STORAGE
Always store and transport the Lavina®32M-S/32M-S-HV in a dry place. Never transport the Lavina®32M-
S/32M-S-HV
unprotected; it may be
damaged if
transported
unprotected during
rain or snow.
When during the
storage of the machine
the temperature may
fall down to or less
32F (or 0oC) you should empty the water from the system using following steps:
‐Pull out the hose of the tank (Fig.3.29)
‐Using compressed air blow out the water from the system for the two positions of
the turn-cock (Fig. 3.30, Fig. 3.31).
4.OPERATION
PRELIMINARY CONTROLS
Inspect the working area as explained in the safety instructions. For wet use, fill in the water tank when the
electrical cable is disconnected. Connect the vacuum extractor and ensure that the vacuum hose is clear and
it will follow the machine easily. Plug in the machine and make sure that the power cord is free to follow the
working direction of the Lavina®32M-S/32M-
S-HV.
CONTROL OF THE WATERFLOW
Using the valve (Fig.4.2-2) the operator can
choose from where the water to spray:
- when the handle of the tap is in vertical
position the water will spray in front of the
machine (fig.4.1),
- when the handle is in the horizontal
position the water will spray under the cover
of the machine.
Figure 3.21 Figure 3.22
Figure 3.20
Figure 3.24Figure 3.23 Figure 3.25
Fi
g
ure 3.29 Fi
g
ure 3.31Fi
g
ure 3.30
Figure 4.1 Figure 4.2 Figure 4.3
Superabrasive Owner’s Manual Original Language – Lavina ®32M-S /32M-S-HV 2/2014
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The flow regulating valve located on the tank (Fig.4.3) is increasing or reducing the waterflow to the working
area – in front of the machine or under the main head cover of the machine.
The valves (Fig. 4.2-1 and Fig. 4.2-3) are controlling the flow of an external water supply. A ¾” water tube can
be attached to the quick connection (Fig. 4.2-4).
ADJUSTING AND MOUNTING TOOLS
Mount the tools only after ensuring that there is
nough diamond bond material left. Be sure that the
plates are always clean before mounting.
WARNING: Secure always the“Quickchange” pads
with the security plate (Fig.4.3), lock with the tool
holder key (Fig.5.3). Diamond tools with Velcro are
attached on six foam plates of 9 inch(Fig.4.4). The
foam plates are mounted on the key lock
(butterfly).Always use the tool holder key (Fig.5.3).
FRAME BLOCKING (u-joint]
The relation between the working head and the
trolley is the frame (U-joint), which allows
rotation about two perpendicular axes to better
follow the profile of the floor.
The movement round one of axis can be
blocked with two screws to the plank, mounted
on the front of the frame(Fig.4.6). Unscrew the
bolts and turn the plank so it fixes the frame to
the carrier with its tooth and then tighten the
bolts(Fig.4.6). Thus the lateral movement of the machine is blocked.
CONTROL BOARD
1 Emergency button used in Emergency
situations for stopping the motor
2 Digital RPM indicator indicates
the revolution per minute of the grinding
plates (not the revolution per minute of the
entire unit).
3 Potentiometer changes the RPM
of the grinding plates.
4 Inverter alarm led Lights blue when
the inverter goes into alarm mode
5 Reset button resets the alarm of the
inverter
6 ON/OFF switch starts/stops the
motor Power led (integrated in some
models)lights green when the power is on
7 Polishing/Grinding switch In
“grinding” position, the operator has the
possibility to control the rpm from 300 until
maximum 700 rpm. In “Polishing” position
from 300-1100 rpm maximum.
8Water pump switch Lights orange when
the water pump is working.
9 Potentiometer changes the speed of the movement forward or back.
10 STOP button stops the movement forward or back, by switching off the connection between gearmotor
and wheels of the carriage. By activating it you can operate the machine in manual mode.
11 FORWARD button set direction forward. Lights green when is on.
12 BACK button set direction backward. Lights red when is on.
13 ON/OFF switch SLOPE In position ON, does not allow to switch off the
connection between the gearmotor and the wheels of the carriage, bothe from the STOP button /pos.9/, and
from the Emergency stop button. It must be used when operating the machine on a slope for the security of
the operator and the machine. Disconnecting the connection between the gearmotor and the carriage
Figure 4.4
Figure 4.3
Figure 4.6 Figure 4.7
Fi
g
ure 4.8
Superabrasive Owner’s Manual Original Language – Lavina ®32M-S /32M-S-HV 2/2014
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wheels is possible after switching the button in position OFF and activating the button STOP /pos9/.
STARTING THE MACHINE
Follow strictly the instructions in chapter "SAFETY INSTRUCTOINS".
NEVER WORK WITH THE MACHINE WITHOUT VISUAL CONTACT WITH IT.
First, follow the directions in chapter Safety Devices and Safety Instructions. If working wet, add water
to the floor surface. If working dry, omit this step, and instead, switch on the vacuum unit. Next, pull the
emergency stop (Fig.4.8 1) to ensure that the machine is in working condition. Check the potentiometer
(Fig.4.8 3) and ensure that it is set at the working speed. Check the potentiometer (Fig.4.8 9) for the required
working speed.
Finally, hold the machine firmly and turn the start button (Fig.4.8 6) and set movement direction of the machine
– forward or backward from the corresponding buttons (Fig.4.8 11 and Fig.4.8 12).
OPERATING THE MACHINE
Guide the machine in straight lines across the floor, and with each new line overlap a little bit of the
previously completed surface.
At the end of each line you can reverse the direction of the machine by simply pressing the
corresponding button FORWARD or BACK and through the handles to direct a new runway. If you get tight
the handles and trigger the button STOP you will get to manual operated mode of the machine and can
performe more complicated maneuvers. Once you direct the machine in the desired direction activate again
the selfpropelled movement. Increase or decrease of the speed of the machine when operating can be made
by the potentiometer (Fig.4.8-9)
Work at a constant speed allowing the tools time to work at a speed appropriate for the tools’ grit size.
Avoid vibrations. Do not stop the Lavina®32M-S/32M-S-HV machine in one spot while the tools are still
working because they will leave marks on the floor surface. When working wet, preliminary chose with the
water tap (Fig.4.2-1) the position for water feed and periodically start the pump (Fig 4.8-8) to release water
onto the floor surface. When working dry, check the floor surface periodically to ensure that dust is not
accumulating on the surface, also check regularly if your vacuum works properly.
If you need to process on the floor with a slope that requires significant effort to work with machine
with manual control, put the button SLOPE in position ON. In this position the activating the button STOP or
Emergency stop will not disconnect wheels and motorgear connection and it will serve as a break on any
movement of the machine on the slope. In that case the machine is operated by the buttons FORWARD ;
BACK and STOP, but without possibility to go to manual control and at the end of the coarse. To switch to
manual operation and control of the machine get the button SLOPE in position OFF and push the button
STOP.
STOPPING THE MACHINE
The stopping of the machine must be done gradually until the motor stops. Do not stop moving the
machine before arresting the motor as the tools could damage the surface. To stop switch the off switch
(Fig.4.8-6). Use the Emergency button (Fig.4.8-1) only in emergency or use it to switch the power totally off.
Remember not to hold the machine in one spot before turning off the motor.
The machine drive is stopped by the button STOP (Fig.4.8-10) or Emergency button (Fig.4.8-1)
ALARM
The Alarm light ((Fig.4.8 4) will light incase inverter goes in alarm mode. The most common failure is motor in
overload. To reset the mode push reset button ((Fig.4.8 5).
Superabrasive Owner’s Manual Original Language – Lavina ®32M-S /32M-S-HV 2/2014
11
5.TOOLS AND ACCESSORIES
WEIGHTS
Superabrasive offers additional weights for increasing
the productivity of the machine (Fig.5.1). Each
additional weight weighs about 64 lbs or 29 kg. The
number of weights you choose to use will vary from
none to two. Each individual application, type and
condition of surface, power capacity of the outlet, etc.
will determine the number of weights you can use
without tripping a breaker. The first weight stacks on
to three posts on the frame around the outer bowl
(Fig.5.2).The second weight stacks onto the first.
The additional weights depend on the tools; it is not
always possible to add weights. Some tools work too
aggressively and the machine can stop. The weight
can be ordered with item number A08.00.00.00
TOOL HOLDER KEY
The tool holder key (Fig. 5.3) is used for adjusting, mounting and dismounting of the
tools. Always use the key for mounting. Item number is A03.00.00.00
FOAM PLATE
Diamond tools with Velcro are mounted on the foam plate 9“(Fig.5.4). The
foam plate is mounted on the flexible backer plate. Item number is LV-9-FP-S
SECURITY PLATE FOR QUICKCHANGE PADS
Plate (Fig.5.5) used to ensure the “Quickchange” pads.
Item number is A38.00.01
Figure 5.3
Figure 5.4
Figure 5.1
Figure 5.2
Figure 5.5
Superabrasive Owner’s Manual Original Language – Lavina ®32M-S /32M-S-HV 2/2014
12
6. POPULAR TOOLS
RECOMMENDED TOOLS
QuickChange System and Tooling feature extremely fast and
convenient tool changes, and a long tool life, providing for great long-term
cost savings. The QuickChange pads are produced in four different bonds
for super hard, hard, medium and soft concrete, in a variety of grit sizes,
with either 1 or 2 buttons, which allows you to customize the
aggressiveness of the cut.
Calibra grinding discs: our popular ceramic bond discs are designed for the
removal of difficult scratches and they save you valuable time by eliminating
the need for multiple passes with metal tools. They can be used wet or dry, and
are best for hard concrete applications. They are with Velcro attachment.
NATO®polishing discs feature a special resin formula designed for both wet and
dry applications and a unique design with wide channels allowing for work on
a cleaner surface and ensuring a quality polish. Available in 3 and 4 in sizes.They
are with Velcro attachment.
V-HARR®Premium Polishing Pads are designed for mechanically polishing and
restoring concrete; also ideal for terrazzo and hard stone floors. V-HARR® pads are
offered in a wide variety of diameters and grit sizes to accommodate many applications.
Dry use is strongly recommended.
Shine Pro®are high quality diamond-impregnated pads for floor maintenance.
Available in a variety of sizes (17, 20, 21, 27 inch and other sizes), they are designed
for use under swing machines and burnishers, and are great for daily use – they
require only water (no wax or chemicals needed) and are a very environmentally
friendly solution for maintaining floors.
Use only Superabrasive’s recommended tools see www.superabrasive.com
Superabrasive Owner’s Manual Original Language – Lavina ®32M-S /32M-S-HV 2/2014
13
7. EXPLODED VIEW
GENERALEXPLODEDVIEW(FIG.7.1)
TOOLHOLDERFORMACHINESEXPLODEDVIEW(FIG.7.2)
BOTTOMCOVERASSEMBLYEXPLODEDVIEW(FIG.7.3)
PULLEYUNITEXPLODEDVIEW(FIG.7.4)
MOTORSUPPORTEXPLODEDVIEW(FIG.7.5)
Fi
g
ure 7.3 Figure 7.4
Figure 7.2
Figure 7.1
Figure 7.5
Superabrasive Owner’s Manual Original Language – Lavina ®32M-S /32M-S-HV 2/2014
14
CENTRALSHAFTBEARINGEXPLODEDVIEW(FIG.7.6)
TOPCOVEREXPLODEDVIEW(FIG.7.7)
GUARDASSEMBLYEXPLODEDVIEW(FIG.7.8)
CARRIAGEEXPLODEDVIEW(FIG.7.9)
STEERINGBRACKETEXPLODEDVIEW(FIG.7.10)
TOOLHOLDEREXPLODEDVIEW(FIG.7.11)
Figure 7.6
Figure 7.7
Figure 7.8
Figure 7.11
Figure 7.10
Fi
g
ure 7.9
Superabrasive Owner’s Manual Original Language – Lavina ®32M-S /32M-S-HV 2/2014
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8. MAINTENANCE AND INSPECTION
CLEANING
Keep your machine clean. Cleaning the machine on a regular basis will help detect and solve potential
problems before they cause damage to the machine. Most importantly, check and clean the tool plate
connections, power cord and plugs, vacuum hoses and water tank.
CHECK DAILY
After operating the Lavina® 32M-S/32M-S-HV, the operator should
conduct a visual inspection of the machine. Any defect should be solved
immediately. Pay attention to power cords, plugs and vacuum hoses loose bolt
or screws.
Tool holders: Buffers and spiders are consumables and must be visually
checked daily and replaced if needed. The key lock holders (butterflies) on the
tool holders should be also checked.
Check the rubber buffers and fixing of the holders. The flange holding
the buffers (Fig.8.1-1)has to be firmly fixed to the unit. A gap seen there
means that there are loose screws fixing the holder. The screws has to be
tightened immediately for safety operation.Working with loose screws on the
holder could also cause bad damages on the machine. Tightening force of the
screws has to be 25...30N.m(18...22 ft/lbs).
It is very important to check regularly the screws(Fig.8.1 2),that fix the
"Quickchange" holder to the safety part, so that holder will not fly away if the
buffers got damaged.
“Quickchange” should be clean. The tension of the planetary belt can be daily checked by moving the
main head and feeling the resistance of the moving pulleys, if the belt slips tighten if necessary, as described
in the chapter Troubleshooting .
CHECK AFTER THE FIRST 15 WORKING HOURS
The low cover has a control cover (Fig. 9.4-1) that allows fast and easy control and correction of the belt. It is
recommended to check the tension of the belt after the first 15 hours and to tighten if necessary. For the
correct tension, see TROUBLESHOOTING “mounting the belt”.
CHECK EVERY 200 WORKING HOURS
Every 200 working hours, the operator should inspect all parts of the machine carefully. Most importantly,
inspect and clean the tool plate connections, power cord and plugs, vacuum hoses and water tank and filter.
Also, check the water flow of the pump. Check the guard assembly. Make certain the wheels are clean and
rotate properly. Inspect the control buttons. If there are defective control parts, they should be replaced
immediately. Replace worn vacuum- and water hoses. Check the tension of the belt and to tighten if
necessary. For the correct tension, see TROUBLE SHOOTING.
Carefully inspect the seal rings and bearings of the grinding units, and replace any showing signs of excessive
wear.
For more information, refer to chapter troubleshooting below.
CHECK EVERY 400 WORKING HOURS
Besides the checks of 200 working hours, open up the bottom cover like described in chapter “TROUBLE
SHOOTING REPLACING BELT TENSIONING. Check if sealers, belt and bearings are in good condition,
change if needed. Beware by tensioning the belt not to “over tension”; the belt will never regain his original
tension.
VACUUM
As stated previously, frequently check hoses and other parts for clogging.
WATER LEAKS
Replace any leaking parts immediately as the water could damage your machine
ELECTRICAL SYSTEM
Dust should not enter the control box, as it will destroy the contacts. Remove (blow out) any dust present.
MECHANICAL PARTS
Parts such as the belt, seal rings, cap rings, spiders and buffers and guard assembly are subject to wear and
should be replaced as needed.
CARRIAGE
Check the pressure of the pneumatic tires and maintain it at the limits of 3.5-4 atm/50...60PSI/.
Check the seal rings on the driving unit and promptly replace in case of damage.
Fi
g
ure 8.1
Superabrasive Owner’s Manual Original Language – Lavina ®32M-S /32M-S-HV 2/2014
16
LAVINA®32M-S-HV ELECTRICAL SCHEMES WITH YASKAWA INVERTER 380-480 VOLT
Shematic 1
Shematic 2
Superabrasive Owner’s Manual Original Language – Lavina ®32M-S /32M-S-HV 2/2014
17
Shematic 3
Shematic 4
Shematic 5
Superabrasive Owner’s Manual Original Language – Lavina ®32M-S /32M-S-HV 2/2014
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Figure 9.2.7 Figure 9.2.8 Figure 9.2.9 Figure 9.2.10
9. TROUBLESHOOTING
INDEX OF PROBLEMS AND SOLUTIONS
9.1 REPLACING POWER CORD AND PLUGS
When replacing the power cord or plugs always use cords and plugs with specifications as the original ones.
Never use lower quality or different type cord and plugs.
9.2 DISMOUNTING AND MOUNTING TOOL HOLDER
TO CHANGE BUFFERS AND SPIDERs, CHANGING V-RINGS AND FELT-RINGS
To check or replace the buffers and the spiders, the tool holders have to be dismounted. Remove the countersunk
screws on top of the buffer (Fig.9.2.1). Take the disc off (Fig.9.2.2), the spider can be removed or replaced (Fig.9.2.3).
By loosing four Hex cap bolts (Fig.9.2.4), the disc comes loose (Fig.9.2.5) and the buffers can be replaced (Fig.9.2.6).
Attention, by mounting use always the “blue” thread locking adhesive, except on the bolts to lock the buffers
(Fig.9.2.5). Use always original bolts.
Depending on the number (3,4 or 6) of buffers, the holder can be more flexible or rigid.
When the tool holder is dismounted, you can change the sealers (V-Ring and Felt-Ring).
Take out Felt-Ring, Adaptor and V-Ring. Before mounting check on which side the
adaptor is fitting, remember the correct side. Mount the V-Ring with the smallest lip of the
V to inside (Fig.9.2.7) just push the V-ring so the top is on the same level as the pulley
top (Fig.9.2.8). Than take the adaptor in the correct way and push the V-Ring down with
the adaptor (Fig.9.2.9). The lowest lip of the V-Ring should only barely touch its gliding
surface; also never push the V-Ring down with fingers. Mount now the Felt-ring on top
(Fig.9.2.10). Close the sealers with the cap (Fig.9.2.11).
Figure 9.2.11
Figure 9.2.1 Figure 9.2.2 Figure 9.2.3
Figure 9.2.4 Figure 9.2.5 Figure 9.2.6
Superabrasive Owner’s Manual Original Language – Lavina ®32M-S /32M-S-HV 2/2014
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9.3 TENSIONING USED PLANETARY BELT
Take the main head of the carriage, like described in the
paragraph “Splitting the carriage from the main head”,
Dismount the top cover.
Noticing speed lost in planetary movement it is possible to
tension the belt for planetary movement as described
in 9.4 Mounting and tensioning a new planetary belt.
9.4 MOUNTING AND TENSIONING A NEW PLANETARY
BELT
Dismount completely the
tensioning device.
Make 2 signs on the
dismounted belt exactly 10
cm out of each other (belt
without tension) (Fig.9.4.1).
The purpose is to measure
10.2 cm on the belt in
tension what is a tension of
2%., a maximum of 2.5% is
allowed. ATTENTION:
NEVER “OVER” TENSION
THE BELT, THE BELT
WILL BE DAMAGED AND
IT WILL NEVER RECOVER
ITS ORIGINAL TENSION
Mount the belt back around
the planetary pulley; see that
the belt is behind the driving
pulley (Fig.9.4.2). Put the
belt around the left roller of
the tensioning device
(Fig.9.4.3). Put the
tensioning device back in
place and pull the belt from
the roller on the right side
(Fig.9.4.4). Put the belt
around the driving pulley
(Fig.9.4.5). Loose slightly the two bolts of the tensioning device (Fig.9.4.6) (Fig.9.4.7).Begin to tension until the
measure of 10 cm between the marks becomes 10.2 cm (Fig.9.4.9. Tighten the tensioning device while turning the bolt
move the planetary head so the belt can slide. (Fig.9.4.9). Do not forget to lock the tensioning device.
9.5 TENSIONING AND REPLACING THE BELTS
PLEASE MAKE SURE YOU CHECK THE TENSION OF THE BELT AFTER THE FIRST 15 HOURS OF OPERATION
To tension or
check the
tension of the
belts. Open the
small bottom
cover (Fig.
9.5.1). Check
the two belts
tension, it is
recommended
to use an OPTIKRIK II device (Fig. 9.5.4). The Static Belt tension should be proximally 1150 N, A new belt 1450 N.
Figure 9.5.2 Figure 9.5.3
Figure 9.5.1
Figure 9.4.6Figure 9.4.5 Figure 9.4.7
Figure 9.4.9Figure 9.4.8 Figure 9.4.10
Figure 9.4.3Figure 9.4.2 Figure 9.4.4
Figure 9.3
Superabrasive Owner’s Manual Original Language – Lavina ®32M-S /32M-S-HV 2/2014
20
To change the tension, turn loose the bolt (Fig. 9.5.4 11) on
top of the puller, LOOSE THE 5 BOLTS in the middle (fig. Fig.
9.5.4 8) loose also on the half moons the bolts ( Fig. 9.5.4-8.1
and Fig. Fig. 9.5.4-9).
Turn loose the secure nut on both forks (Fig. Fig. 9.5.4 7),
begin to tension with inner nut work similar on both belts (Fig.
9.5.3).
After matching the right tension secure all previous bolts.
When replacing the belts, take off the tool holder and remove
the bottom cover. Un-tension completely. Replace the belts,
put them on the right place in the grooves. Use (Fig. 9.5.4)
and pull them at last over the tension rollers (Fig. 9.5.4-4,
9.5.4-5). Tension as earlier described.
SQUEALING NOISE If
a squeling noise of the
belt is heard, it means
the belt is not pendicular
with the pulleys. By
tension the belt avoid to
loose the botls too much so the pulleys are staying in an exact vertical position.
9.6 REPLACING THE PULLEYS
Take the belt tension away (see the previous paragraph). After removing the
belts, unscrew the four bolts of the pulleys on top of the disc (Fig. 9.6- 1).
9.7 REPLACING THE WHEEL
Lift the lorry on the side you need to change the wheel
and place an wooden part so the wheel is on the air.
Unscrew the four bolts and take the wheel.
9.8 REPLACING PARTS FROM THE DRIVING OF THE CARRIAGE
Lift the lorry so both wheels are on the air. Unscrew the four bolts
(Fig. 9.9-1) and take the bearing of the wheel (Fig. 9.9-2).
From this position you can replace the loose key(Fig. 9.9-3)
or the sealing V ring (Fig. 9.9-4) without dismounting other parts.
If a replacement of the half clutch is necessary (Fig. 9.9-5) unscrew
the four bolts (Fig. 9.9- 6).
During reassembly you have to assure the coaxiality of the wheel
bearing against the hole of the half clutch (Fig. 9.9-5). Tighten the
four bolts by hand (Fig. 9.9-1) and roll the bearing, so there is no
increase or reduce of resistance on rolling.
(Plug the lorry into the power supply, put switch SLOPE in pos.
ON and tighten the four bolts (Fig. 9.9-1) tightening torque -45N.m.
(this way the parts of the electromagnetic clutch will take working
position). After release of the electromagnetic clutches (put switch
SLOPE in position OFF and activatеthe button STOP) the bearing should scroll easy, without tangible resistance by
hand .
To replace the whole driving unit (Fig. 9.9- 7) or engine (Fig. 9.9- 9) unscrew the bolts (Fig. 9.9- 8). During
reassembly you have to assure the coaxiality between the driving unit and the bearing of the two wheels.
9.9 MOTOR CONNECTION
In case of changing the motor, please check
the cable connection to your motor.
Lavina® 32M-S-HV
The motor is connected in “Star” 380 Volt,
reminder for the wire connection of the motor.
Figure 9.5.4
Fi
g
ure 9.6
Figure 9.7 Figure 9.8
Fi
g
ure 9.9
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