STI Prep/Master RC-3030 User manual

Operating Manual
Prep/Master®RC-3030
(Remote Control)

RC-3030 Operating Manual
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Table of Contents
1.0 Technical Data.............................................1
2.0 Safety Instructions .........................................3
3.0 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.0 Transportation............................................14
5.0 Starting the Machine ......................................16
6.0 Operation of the Machine...................................18
7.0 Maintenance .............................................24
8.0 Troubleshooting / Diagnostics ..............................26
9.0 STI Reference Guide & Procedures ..........................28
Please note: The following safety instructions must be followed as
shown in this operating manual. Failure to do so may result in
hazard to health or possible death.
Prep/Master®Warranty
Substrate Technology guarantees that its machines and products are without manufacturing
defects. The warranty period on machines is one (1) year from the date of sale and the variable
speed drive carries a two (2) year warranty from the date of sale. Substrate Technology will replace
any part that is defective at its own cost within the warranty period. This warranty does not cover
wear items or instances of abuse or neglect.
***When transporting P/M machines, it is mandatory to move all pocket weights to the head of the
grinder, or off the machine. Failure to do so will result in damage to the handle frame that is not
covered under warranty.
[updated October 2016]

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1.0 Technical Data
1.1 Rating
1.2 Unit Specifications
1.3 Operative Range and Correct Usage
1.4 Stand-by Power Supply (Generator)
1.5 Advice for Operators of Grinding Machines
1.6 Machine Type Designation
1.1 Rating
Machine: Prep/Master®Grinder
Machine-Type: RC-3030
Manufacturer: Substrate Technology
1384 Bungalow Rd.
Morris IL 60450 USA
+1.815.941.4800
www.substratetechnology.com
1.2 Unit Specifications
RC-3030 Dimensions:
Length 97 in 246 cm
Width 30 in 76 cm
Height 64 in 163 cm
Weight 1,850 lbs. 839 Kg
Connected loads of the electrical system:
Power 25 HP - 3 phase | 18.6kW
Power Cord [6-4]
Electrical Connection 220/230 VAC 3 Phase, 50-60Hz
380/480 VAC 3 Phase, 50-60Hz
1.3 Operative Range and Correct Usage
The Prep/Master®RC-3030 is designed to be used on clean, dry or wet horizontal
surfaces without obstacles. The machine cannot be used for other purposes. The
manufacturer will not be liable for damages resulting from such incorrect usage. In case of
wrong usage the user is responsible for all risks.

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1.4 Stand–by Power Supply (Generator)
If the Prep/Master®RC-3030 is operated using a generator, the generator must be
operated in accordance with the current local electrical directives (this applies in
especially to the protective ground conductor) in order to ensure that all safety devices are
functioning and to be able to eliminate possible damage to electrical components.
1.5 Advice for Operators of Grinding Machines
During the operation of the Prep/Master® RC-3030 it may be possible to exceed the
acceptable noise level of 85 dB(A). This is dependent on the different locations and the
local circumstances. When the noise level is 85 dB(A) or more, the machine operator and the
persons working near the machine must wear sound–insulating devices.
1.6 Machine Type Designation
Machine Type: Prep/Master®RC-3030
Working Width: 30 in. (72 cm)
Drive: Manual / Remote Control
Grinding Capacity: Variable
Tools Needed 12
Tools RPM 250 RPM to 750 RPM variable
Tools Attachment Style EG Proprietary Attachment System
Dust Hose Connection: 3 in. (76mm) x 25 ft. (8m)
Recommended Vacuum Duo Vac (630CFM)
with pre-separator or equivalent

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2.0 Safety Instructions
2.1 Explanation of Warnings and Symbols
2.2 Organizational Measures
2.3 Personnel Selection and Qualification
2.4 Safety Precautions Applicable to Different Operating Conditions
2.5 Repair Work, Maintenance Activities, and Default Repair on the Job Site
2.6 Definition of the Safety-off Position
2.7 Dangerous Aspects of the Machine
2.8 Electrical Engineering Regulations
2.9 Special Instructions
The following safety instructions must be followed as shown here.
Failure to do so may result in hazard to health or possible death.
2.1 Explanation of Warnings and Symbols
The following symbols are used in the operating instructions to highlight areas
of particular importance:
Operational Safety
This symbol will be shown in these Operating Instructions next to all safety precautions
that are to be taken in order to ensure prevention of injury. Follow these instructions and
take special care in these circumstances. In addition to these instructions, the general safety
precautions and the local accident prevention guidelines are also to be followed. Please check,
whether there are special regulations for the particular job site.
Safety Goggles/ Ear Protection
Information, instructions, and restrictions with regards to possible risks to persons or
extensive material damages.
Electrical Warning
Warning against dangerous voltages.
2.2 Organizational Measures
The Operating Instructions are to be kept near the location where the machine is located
and must be reachable all the time!
In addition to the Operating Instructions, general and legal regulations regarding accident prevention
and environmental protection must be with and indicated every time!

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Such duties may for example relate to the handling of hazardous substances or to the provision
and wearing of personal protection equipment as well as compliance with local traffic regulations.
The Operating Instructions must be supplemented by instructions including the duty to supervise
and report relating to particular local working practices, for example work organization, work
procedures, and personnel allocation.
Personnel entrusted with working with the machine must have read the Operating Instructions
before starting the work; in particular the chapter about Safety Instructions. These have to be read
before starting any work with the machine. This particularly applies to incidental activities such as
setting up the machine, carrying out maintenance work, or training staff to work with the machine.
From time to time the working practices of the staff are to be checked regarding awareness of
safety and hazards.
Personnel must tie back long hair and not wear loose clothing or jewelry and rings. There is a risk
of injury through getting stuck or being drawn into moving machinery.
Use personal protection equipment if necessary or required by regulations! Take notice
of all safety and hazard notices on the machine.
All safety and hazard notices on the machine must be kept complete and legible.
If safety-critical changes occur to the machine or its performance, the machine must be shut down
immediately! The cause of the fault has to be established immediately and has to be repaired
before starting the work again.
Changes, add-ons, or conversions of the machine which might have an influence to the
safety of the machine must not be undertaken without the permission of the manufacturer.
This applies in particular to the fitting and adjustment of safety devices and to welding on major
and load bearing parts.
Spare parts must always comply with the technical requirements and the specifications of the
manufacturer. This is always guaranteed with original spare parts of the manufacturer.
Inspection intervals and intervals for recurring checks specified in these Operating Instructions
must be complied with. At the same time it is necessary to meet the legal requirements.
To perform maintenance work correctly it is important to be equipped with proper tools for the task
in question.
The location and the operation of fire extinguishers must be made known on each building site!
Take note of the facilities for fire reporting and fighting fires!
2.3 Personnel Selection and Qualification
Only reliable personnel are allowed to work on the machine or operate the machine. Note the
statutory minimum age. Specify clearly the responsibilities of personnel for operation, setting up,
servicing and maintenance work. Define his/her responsibilities also with regard to traffic safety
regulations and empower him/her to decline instructions from third parties which are not complying
with the safety requirements.

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Personnel being trained or made acquainted with the equipment may only be deployed under
constant supervision of an experienced person.
Work on the electrical parts of the equipment may only be undertaken by a skilled
electrician or by a trained person under the guidance and supervision of a skilled
electrician as well as in accordance with the electrical engineering regulations.
2.4 Safety Precautions Applicable to Different Operating Conditions
Avoid any method of working that impairs safety! All precautions have to be taken, that the machine
will only be used in a safe and functional status.
Only operate the machine when all safety devices and related safety equipment, e.g.
detachable safety devices, emergency stops, and suction devices are present and
operational!
The machine has to be checked visually at least once a day for any damage and defects. In the
event of operational malfunctions the machine must be shut down immediately and secured. The
fault must be rectified before starting the machine again!
Secure the work area around the machine in public areas providing a safety distance of
at least 10 feet around the machine.
Fault must be rectified immediately!
Start up and switch off operations and control devices have to be handled in accordance with the
Operating Instructions.
All persons in the proximity of the machine must wear safety glasses with lateral
protection as well as safety shoes. Ear protection may be required. The operator is
obliged to wear close fitting protective clothing.
Use only extension cables for extending the main cable that are sized and marked in accordance
with the overall power consumption of the machine and the valid local guidelines.. Before starting
the machine make sure that nobody can be endangered when the machines starts running.
Do not switch off or remove the exhaust and ventilation devices when the machine is
running!
2.5 Repair Work, Maintenance Activities, and Default Repair on the Job Site
Before starting any servicing work on the machine, put the machine in the Safety off
position as described in chapter 2.5 in order to prevent the machine from being switched
on accidentally.
Please follow any special safety instructions in the various chapters on servicing the machine. (See
chapter 7.)

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Adjustments, servicing, and inspection work and inspection intervals specified in these Operating
Instructions as well as any information on the replacement on parts and systems of the machine
must be undertaken and / or complied with.
These activities can only be undertaken by qualified personnel. Before starting any maintenance
or repair work the operator of the machine has to be informed about it.
During all work related to the use, the re-erection or the adjustment of the machine and of the
safety devices as well as inspection, maintenance and repair, the start up and shut off procedures
have to be done in accordance with the Operating Instructions.
For the machine to be shut off completely for repair or maintenance work the plug has to be
disconnected in order to prevent the machine from being switched on accidentally.
The dust bin of a connected dust collector has to be emptied before transportation. Please handle
in accordance with the regulation how to dispose the dust and make sure that you meet the local
regulations.
Do not use any aggressive cleaning materials! Use lint-free cleaning cloths.
Always tighten any screw connection that is undone during servicing and maintenance work.
If safety devices need to be dismantled during setting up, servicing and repair work, these safety
devices must be reinstalled and inspected immediately after completion of the servicing and repair
work.
Make sure that process materials and replacement parts are disposed of safely and in an
environmentally-friendly manner!
Work on the electrical parts of the equipment may only be undertaken by a skilled
electrician or by a trained person under the guidance and supervision of a skilled
electrician as well as in accordance with the electrical engineering regulations.
Make sure that electrical components used for replacement purpose comply with the original parts
and are correctly adjusted if necessary.
2.6 Definition of the Safety-off Position
Definition:
The safety off position is the position of the machine when it cannot generate any hazard.
Putting the machine in the safety-off position means:
• Switch off the grinder.
• Switch off the dust collector.
• Wait for standstill of all drives.
• Pull out main plugs.
• Secure the machine against unintended start up.

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2.7 Dangerous Aspects of the Machine
Every machine, if it is not used according to the regulations, may be hazardous for
operating, setting-up and service personnel. The operating authority is responsible for
compliance with the safety regulations during operation and maintenance of safety devices
supplied with the machine as well as the provision of appropriate additional safety devices.
2.8 Electrical Engineering Regulations
Never start machine in the tilted position. The machine must only be started when all
guards and dust collection parts are attached and machine is standing flat on work
surface.
Work on the electrical parts of the equipment may only be undertaken by a skilled
electrician or by a trained person under the guidance and supervision of a skilled
electrician as well as in accordance with the electrical engineering regulations.
Use only extension cables for extending the main cable that are sized and marked in
accordance with the overall power consumption of the machine and the valid VDE
guidelines. In case there is any question ask the manufacturer or a skilled electrician.
If work on electrified parts is necessary, a second person must be deployed who can pull out the
plug in an emergency. The working area must be sealed with a red and white safety chain and a
danger sign. Use tools that are insulated against voltages.
Only start work, once you are familiar with the electrical engineering regulations that apply to your
area. Only use voltage testers that comply with the regulations when troubleshooting. From time to
time check voltage tester to ensure that they are operationally efficient.
2.9 Special Instructions
Use only proper and default free tools for your work. Damaged tools have to be repaired immediately
or to be replaced.
Use during your work for your own safety the required safety equipment and safety clothes (e.g.
safety glasses, safety shoes, safety gloves).
Please instruct operators and repair personnel about the following points:
• Cleaning and repair work are only allowed if the machine is shut off (safety off position).
• During work on the machine, be certain that the machine cannot be started.
• Opening or removing safety devices while the machine is running are not allowed.
• Replace all safety covers and devices after cleaning, repair, and maintenance work.
• Do not touch moving parts and do not walk into the working path of the machine.
• Before restarting machine, make sure all personnel are a safe distance away from the work
area after initial start up.

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3.0 General Information
3.1 Operative Range
3.2 Scope of Supply
3.3 Operating Features
3.4 Exploded Diagrams & Part Numbers of Gear Box
3.5 Wear Parts & Part Numbers
3.6 Handle Settings
3.7 Electric Motor
3.8 Robotic Wheels
3.9 Cutting Area
3.10 Couplers & Tools Plates
3.11 Tool Change
3.12 Care & Maintenance
3.1 Operative Range
The STI Prep/Master®RC-3030 is a grinding machine with counter rotating heads that is used for
preparation and polishing of horizontal surfaces. Grinding the surface according to STI specifications
thoroughly removes surface contaminants, coats of paint, sealants, and thin coatings.
A suitable filter unit must be connected to the machine in order to thoroughly collect the dust being
produced by the grinding process. The proper dust collection system ensures dust-free operation
of the machine and clean air at the workspace.
3.2 Scope of Supply
Provided with machine:
• Prep/Master®RC-3030
• Remote Controller
• Two (2) Rechargeable Batteries
• Transportation Leg
• Manual (1)
3.3 Operating Features
Remote Controller
The Remote Controller is a radio-operated device that allows the
machine to be remotely controlled by an operator. A waist strap
holds the device securely around operator's waist to reduce handling
fatigue.
The controller is supplied with two rechargeable batteries for
continued operation. Use the battery charger located under the seat
to keep battery charged when not in use.

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Built-in Battery Charging System for Remote Controller
The battery charging system is located just under the machine's seat
inside the electronics case.
To find access the charging system, unfasten the U-clips located at
the back of the electrical case to allow access to the system. Lift
handle on left side of seat to disengage and pull seat forward. Then,
lift up lid of electrical case. The charging system is located on the
right side of the case's inside wall.
Emergency Stop Button
Emergency Stop Switch is intended to be used for the safety of the operator and protection of the
machine from excessive damage in the event of an emergency.
There are three Emergency Stop buttons located on the machine: 1) on the back of machine, 2) on
the handle control panel, and 3) on the remote controller.
How to Use the Emergency Stop Button
1. To quickly stop the machine in cases of emergency, depress the Emergency Stop Button.
2. Reset it by turning button 45 degrees clockwise until knob pops out.
Swing Weight System
The Swing Weight System is used to easily transfer extra weight to the head of the machine (over
the gear box) for grinding head pressure and for transportation; or to the back of the machine for
tipping the machine back for easy tool change. The neutral position (located in the center of the
machine) is designed for lighter grinding head pressure.
To unlock the weights from their position, pull on the knob located at the end of the arm.
Phone Charger Port
The machine is equipped with a DC 12-Volt power outlet for phone charging. It is located on the
front of the electrical case just under the machine seat.
"S-Curve" Motion Grinding Pattern
The "S-Curve" motion is a specific pattern of grinding used to level the floor more evenly. For
optimum grinding and polishing, it is always best to use the "S-Curve" motion for automatic and for
manual operation. The remote controller "Auto-Leveling" feature has the "S-Curve" motion built in.
Follow this grinding pattern for optimum leveling – Overlap each path by about 20%.
PASS #1
PASS #3
PASS #2

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3.4 Exploded Diagrams & Part Numbers of Gear Box
Item # Qty Part # Description
3 8 322090000 Bearing w/Race
4 8 473372200 Oil Seal
5 4 880001172 Helical Gear Key (SM-072)
6 4 881102012 Woodruff Key 3/8 x 1 1/4
7 ** 881121405 Shim .005
8 ** 881121407 Shim .007
9 ** 881121420 Shim .020
13 4 40193 Locknut M24
14 6 1139623 Soc HD M10 x 50 Grade 12.9
15 24 1138657 HHSC M10 x 35
17 16 1138656 HX M10 x 30
18 4 47577 Stud M18 x 2.5 x 3" LG
19 4 40183 Lock Nut M18
20 1 66374 Sq. HD Plug 3/4-14 NPT
21 1 66375 Sq. HD Plug 1" NPT
23 1 HR0240 Helical Gear
24 1 HR0242 Housing
25 1 HR0244 Cover
26 1 630309512 Input Pinion
27 4 HR0554 Bearing Cover
28 2 HR0248 Helical Gear 89T RH
29 2 HR0249 Helical Gear 89T LH
30 4 HR0250 Shaft
31 4 884000893 Coupling Flange
33 1 560250240 Motor 25HP 3 Phase
34 16 18918 1/2"-20 3" Capscrew
35 16 33895 1/2" Lockwasher
36 4 880000602 602 Morflex Coupler
37 4 885013030 Aluminum Tool Plate
38 12 570000014 EG Female Adapter QC
** Quantity varies

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Item # Qty Part # Description
1 2 618092301 Handle Grips (right & left)
2 2 618092302 Gas Spring Set
3 8 618092303 Knobs
4 2 618092304 LED lights
5 2 618092305 Wheels
6 2 618092306 Rechargeable Batteries
3.5 Wear Parts & Part Numbers
5) Wheel
6) Rechargeable Batteries
3) Knob
4) LED Light1) Handle Grip
2) Gas Spring (located on
swing weight level arms)

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3.7 Electric Motor
The power plant of the P/M grinder is the electric motor. The motor is responsible for turning the
gears which turn the abrasive tools on the floor. The motor is controlled exclusively by controls on
the back, handle, and remote controller which inputs specific power to generate a given RPM.
3.8 Robotic Wheels
The Robotic wheels are controlled by two smaller drive motors
for remote control operation. The two knobs control the state of
the wheels. Set the wheels into a "locked" state for remote control
operation, or "unlocked" state for manual control operation.
3.6 Handle Settings
The handle height is set with the help of two
spring-loaded knobs on each side of the handle
joint. To move the handle up or down:
1. Pull out the knobs on both sides of the
handle joint by twisting clockwise or
counter-clockwise 45 degrees to place
knob in a disengaged position.
2. Move the handle to the desired position,
and then twist knob clockwise or counter-
clockwise to reengage locking feature.
Handle's Varied Positions
1. Upper Position: 1) for tipping machine back; and 2) to make tool change
2. Middle Position: 1) for manual control of machine
3. Lower Position: 1) for remote control; and
2) transportation of machine
Upper Position: for tipping
machine back & tool change
Middle Position:
for manual operation
Lower Position: for remote
operation and transportation

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3.9 Cutting Area
The area inside the stainless steel shroud and directly beneath the gear deck is the cutting area.
This is the area in which the tools turn to produce the grinding action. It is also the area that keeps
the dust from grinding contained and subsequently evacuated through the dust collection ports.
3.10 Couplers & Tool Plates
The grinder is outfitted with couplers and tool plates. The couplers attach to the tool plates and
provide flex for smooth operation of the diamond tools. The tool plate holds the tools in place for
the grinding application.
3.11 Tool Change
1. In order to change the tools, the operator must first
ensure that the grinder is switched off and the power
plug is disconnected from electrical source.
2. Place both right-side & left-side swing weights into the
"back" position.
3. Set the handle into the upper "tool change" position by
pulling & twisting knobs on both sides of the handle joint.
4. Push machine down by handle in a controlled manner
until grinder is resting on the floor.
5. Inside the gear box, tap the tools from the outside edge
of the tool to remove from tool plate.
6. Remove all debris from tools and tool plate. Tools must lay flat against tool plate in order to
work properly.
7. Install new tools by sliding the tooling outward to fit into slot securely.
Machine must only be tilted back on firm, level surface. There is danger of machine
falling if weights are not used and surface is not level.
3.12 Care & Maintenance
Special attendance and regular maintenance of the machine and its parts are imperative for
functioning and safety. In order to prevent unnecessary downtimes it is recommended to keep
original spare and wear parts on stock.
The following maintenance should take place before & after every operation of
machine:
1. Clean all surfaces with a dry, lint free cloth
2. Inspect all electrical cables for cuts and replace damaged chords
3. Check all electrical connections are secure and snug
4. Inspect gear box for any signs of oil leakage and repair as required
5. Verify functionality of all three (3) Emergency Stop buttons.

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4.0 Transportation
4.1 General Notes
4.2 Transportation
4.3 Hoisting
4.4 Transportation by Vehicle
4.5 Operation Conditions
4.1 General Notes
Before the machine used for the first time, STI authorized dealers offer a course to familiarize
maintenance and operating personnel with all elements of the machine. We are not liable for
damage caused by incorrect use of the machine by personnel.
4.2 Transportation
To easily transport the machine, use the Transportation Leg provided
with the machine.
1. To attach the leg, set handle in the upper position and place the
machine in its tipped back position.
2. Remove lower bolt of the leg bracket and slide the hook of the leg
onto the top bolt of the machine.
3. Insert and tighten the lower bolt.
4. Tip the machine forward into an upright position. Use the leg &
wheels to transport machine safely.
IMPORTANT: When transporting P/M machines by vehicle or
trailer, it is mandatory to move all swing arm weights to the
head of grinder. Failure to do so may result in damage to the
machine & handle frame that are not covered under warranty.
4.3 Hoisting
When transporting the machine with hoisting equipment like a crane or a lift, check the total weight
permitted (see Chapter 1 - dimensions). Please use only appropriate, allowed, and qualified hoisting
equipment as well as ropes and chains.
Do not fix any rope or chain to any part of the machine. The machine must be placed on a pallet or
platform designed to hold the weight of the machine and the platform or pallet can then be lifted or
hoisted from the appropriate points.

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4.4 Transportation by Vehicle
When transporting the machine with a vehicle, proceed in such a manner that damage due to
the effects of use of force or incorrect loading and unloading is avoided. Use straps to tighten the
machine to the cabin of the vehicle.
Use at least two straps, or tighten the machine with one strap to the cabin wall of the vehicle. Make
sure, that all parts of the machine are fixed.
4.5 Operation Conditions
Check the surface to be treated for loose parts (stones, screws, etc.). The surface must be swept
if necessary. Make sure that the machine can travel over all inequalities on the surface. Small
inequalities like floor joints less than ¼ inch are no barriers for the machine.
The machine must be operated in accordance with instructions given in Chapter 5—Initial operation.

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5.0 Starting the Machine
5.1 Preparing for Initial Operation
5.2 Initial Operation
5.1 Preparing for Initial Operation
Before start up ensure all existing protective housings are fitted and the filter unit is connected
correctly.
All persons in the proximity of the machine must wear safety glasses with lateral
protection as well as safety shoes. The operator is required to wear close-fitting protective
clothing.
Carefully handle all plugs, cables, hoses, and operating devices. Avoid any contact with live wires.
Work on the electrical system has to be done only by qualified specialists.
Check the surface to be treated; it should be free of for loose parts (stones, screws, etc.). The
surface needs sweeping if necessary. Ensure that the machine can run over all inequalities on the
surface. Small inequalities like floor joints aren’t a barrier for the machine.
In order to avoid downtimes a regular inspection is essential. Carry out the
following checks before any start-up:
• Check whether all machine parts are assembled safely and correctly.
• Check all screws and other fasteners for tight seat.
• Check the tool holders to ensure that the proper tools are in place and secure.
• Check the tightness of the hose connections and the condition of the hose to the filter.
• Make sure the dust container of the filter unit is empty. Please comply with the local waste
treatment regulations considering the removed material.
• Check the electrical connections for dirt and foreign body deposits.
• Check the electrical motors for dirt and other contaminants.
Before start-up operators and other personnel must be familiar with the safety regulations
given in this manual.
1. Place the grinder in the area where work is to begin.
2. Place swing weights on grinding head.
3. Check the main power cable and the dust hose for damage. Replace or repair all damaged
parts before starting the machine.
4. Connect the grinder and the filter unit with the dust hose.
5. Connect the supply cable of the P/M machine* with the site supply. Make sure that the correct
electric supply is available.

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*An authorized electrician must verify proper voltage before turning on the machine!
Damage to VSD will occur if voltage is incorrect.
5.2 Initial Operation
All persons near the machine must wear safety glasses with lateral protection, ear
protection as well as safety shoes. The operator is obliged to wear close fitted protective
clothing.
Before start-up the operating personnel must be familiar with the safety regulations given in this
manual.
Attention! Before you plug the equipment to a power supply make sure the power supply
is equivalent to the data shown on the machine label.
Initial operation of the grinding machine:
1. Attach the appropriate tools on the tool plates.
2. Connect the machine power plug to the required power source.
3. Assure the dust hose is connected correctly to filter and machine.
4. Switch on the filter unit.
5. Check that the main switch is turned on.
6. Turn the Main Power switch to “On."
The machine can be operated manually through the handle’s control panel, or automatically through
the remote controller. Refer to Chapter 6 "Operation of Machine" for preferred mode of operation.
7. After start-up, immediately begin moving the machine in the "S-Curve" pattern (see page 9 –
Chapter 3.3 for explanation) to prevent the tools from digging into the concrete surface and
creating an uneven profile. For the operation of the running machine, it is necessary to move
the machine in the "S-Curve" to create an even cut that is consistent in flatness and profile.
Only push machine in a straight line when grinding or polishing an edge.
8. When grinding in work area is complete, follow the instructions for stopping the machine.
9. The dustbin of the filter unit needs regular dumping.
Do not overfill the bin to avoid dust exposure when opening the bin. Comply with the
local waste treatment regulations considering the removed material.

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6.0 Operation of the Machine
6.1 Daily Operation
6.2 Failure
6.3 Restart
6.4 Control Panel Overview (Machine Back)
6.5 Handle Control Panel Overview (Manual Control)
6.6 Simple Procedure for Engaging Manual Control
6.7 Operation of Machine Using the Handle Control Panel (Manual Control)
6.8 Control Panel Overview (Remote Control)
6.9 Simple Procedure for Engaging Remote Control
6.10 Operation of Machine Using the Remote Control
6.1 Daily Operation
Preparing for start-up and initial operation of the grinder is described in Chapter 5 "Starting Machine."
Perform grinding operation in parallel tracks in a way that the dust hose and electric cable do not
become twisted.
Make sure that no vehicles, such as forklift trucks and other equipment, run over the electric cable
and the dust hose. The speed of moving the grinding machine over the work surface will influence
the final finish and production.
In the case that the surface shows different characteristics, specifically different hardness or coating
thicknesses, a uniform grinding result will be achieved by varying the speed of movement over the
surface.
6.2 Failure
Regardless of the following information, the local safety regulations must be followed in any case of
operation of the machine. Assure all turning machine parts have come to standstill before inspection
or maintenance work starts. Always use the Safety Off as described in Chapter 2.
6.3 Restart
All persons in the proximity of the machine must wear safety glasses with lateral
protection as well as steel toes work boots and hearing protection. The operator is also
required to wear close-fitting protective clothing. See Chapter 5—Initial Operation.