Lagler Flip User manual

Handling,
Maintenance, Safety
Operating instructions of the edge-, corner- and stair-sanding machine
EDGE-, CORNER- AND STAIR-SANDING MACHINE FLIP
FLIP
CAN
GB
NZ
USA
AUS
IRL
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FLIP - ASSEMBLY
Dust bag
Switch
Guide roller
Handle
Motor
Attachment
Fig. 1 Main features of the edge-, corner- and stair-sanding machine FLIP
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CONTENTS
1. Introduction.................................................................................................................................................................................. 4
1.1 Features of the machine........................................................................................................................................................... 4
1.2 Description of the machine ..................................................................................................................................................... 4
1.3 Proper use as intended ............................................................................................................................................................ 4
1.4 Safety instructions ..................................................................................................................................................................... 5
1.5 Protective devices ..................................................................................................................................................................... 5
2. Technical data ............................................................................................................................................................................. 6
3. Getting started............................................................................................................................................................................. 7
3.1 Preparing the machine ............................................................................................................................................................. 7
3.2 Connecting the power supply cable ..................................................................................................................................... 8
3.3 Starting the machine ................................................................................................................................................................. 8
3.4 Switching off the machine ....................................................................................................................................................... 8
4. Working with the FLIP ............................................................................................................................................................... 9
4.1 General application tips ........................................................................................................................................................... 9
4.2 Replacing the sanding disc ..................................................................................................................................................... 9
4.3 Emptying the dust bag.............................................................................................................................................................11
5. Transport and storage.............................................................................................................................................................14
6. Maintenance work and replacement of wearing parts.................................................................................................15
6.1 Tightening the V-belt ............................................................................................................................................................... 15
6.2 Changing the V-belt .................................................................................................................................................................16
6.3 Changing the steel sanding disc ..........................................................................................................................................18
6.4 Changing the motor belt pulley.............................................................................................................................................18
6.5 Changing the carbon brushes .............................................................................................................................................. 19
6.6 Checking the dust suction system....................................................................................................................................... 20
6.7 Adjusting the guide rollers ....................................................................................................................................................20
6.8 Changing the guide rollers.....................................................................................................................................................22
6.9 Adjusting the wall-protecting roller ....................................................................................................................................22
6.10 Changing the wall-protecting roller .................................................................................................................................... 23
6.11 Cleaning the machine following restoration tasks ......................................................................................................... 24
7. Regular checkup according to safety regulations and VDE ........................................................................................24
8. Troubleshooting ........................................................................................................................................................................25
9. General safety information .................................................................................................................................................... 26
10. Circuit diagram ..........................................................................................................................................................................29
11. Spare parts................................................................................................................................................................................. 30
12. Service passport.......................................................................................................................................................................43
13. Declaration of conformity ...................................................................................................................................................... 44
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INTRODUCTION
1
1.1 FEATURES OF THE MACHINE
In figure 1 (page 2), we have included the designations of the most
important components of the FLIP. Take your time to become
familiar with the machine.
1.2 DESCRIPTION OF THE MACHINE
The FLIP edge-sanding machine works with a sanding plate on
which Velcro sanding discs can be fastened. Traditional sanding
discs fastened with a tensioning screw can, of course, also be
used. The work zone is protected by the attachment. The fan
housing, on which the electric motor is mounted in vertical position,
is located on the attachment. A motor power supply cable is used
to connect the machine to the power supply system. The motor
switch with ON / OFF is located on the right-hand side of the motor
in the switch box. The machine is moved by means of two guide
rollers at the rear side of the machine. The handles are located on
top of the motor.
A rotable elbow piece mounted in a tube socket on the rear of the
fan housing, feeds the sanding dust into the dust bag. The dust
bag is connected to the elbow piece via a flange with two quick-
release fasteners. The power cord is fixed to the bag’s fixing bra-
cket by a Velcro tape so that it is kept out of the working area of
the machine.
The FLIP can only be used for dry processing operations. Never
use the FLIP for wet processing operations (life-threatening risk)!
1.3 PROPER USE AS INTENDED
The edge-sanding machine FLIP is suitable for the dry sanding of
wooden floors, cork floors and wooden stairs in the professional
and rental business sectors.
Any other form of use without the approval of the manufacturer is
not permitted.
No wet processing operations!
Introduction
You have purchased a high-quality product
from LÄGLER. We wish you great success
with your FLIP. This machine was
manufactured using the most modern
methods of production. All LÄGLER
products are subjected to a thorough
inspection before leaving the factory.
Please read these operating instructions
carefully before you start working with
your FLIP for the first time. These operating
instructions include important information
on work safety and will give you answers
to many questions so that you can work
with the machine safely and without any
problems. If you cannot find a specific
subject in this manual, please refer to your
sanding instructions manual or contact our
service department. Our qualified service
technicians are extremely familiar with the
FLIP and are highly trained. They will
provide you with the best possible advice
and support.
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INTRODUCTION
1
1.4 SAFETY INSTRUCTIONS
Please read the danger warnings carefully and also instruct your
employees or colleagues accordingly. Otherwise, these persons
could be exposed to danger or be injured.
When the sanding disk is touching the floor, the machine must not
be switched on in order to prevent injuries.
Use the tools, accessories and spare parts that have been made
by LÄGLER for the FLIP only. Otherwise, this could result in damage
to the machine, the processed object or for the operator.
Make sure the dust bag is properly fastened in order to prevent
unnecessary and unhealthy dust emissions for the operator and
the environment.
Incorrect transport operations will result in machine damage.
To prevent any damage due to fire or explosions, the dust bag
must be emptied after the work has been completed and the
contents then be stored outdoors.
Keep well away from fire sources.
Do not smoke in a dusty environment (e.g. while working with
the machine or emptying out the dust) Risk of a dust explosion.
The power supply cable must be kept out of the work zone in order
to prevent any damage to mechanical or electrical equipment.
To exclude the possibility of the machine being started
unintentionally, the power supply must be interrupted by removing
the power supply plug from the socket after the machine has been
switched off!
In case of correct machine operation, the mandatory dust emission
values will not be exceeded. When emptying the dust bag, it is
advisable to wear a respiratory protective mask P3 (Art. no. in
Section 11, Spare parts ).
1.5 PROTECTIVE DEVICES
The following parts of the machine are protective devices and must
therefore always be keep in perfect condition:
attachment cover, short / long = dust protection, protection
against V-belts
attachment, short / long = protection against sanding disc
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Note:
The motor data mentioned above refers to
machines used in the Federal Republic of Germany.
Exported machines may have other data that can
be seen on the motor type designation plate.
TECHNICAL DATA
2
Note:
The values mentioned above are emission
values and must not represent safe workplace
values as well. Although a correlation exists
between emission levels and immission
levels, it is not always possible to determine
whether additional precautionary measures
are required. Factors that can have an effect
on the immission level existing at the
workplace include the duration of the effects,
the characteristics of the work area and other
sources of noise, e.g. the number of machines
and other processing operations in the
vicinity. The permissible workplace values
may also vary from country to country. This
information, however, is intended to enable
the user to estimate the dangers and risks
better.
Technical data
Manufacturer ....................................................... Eugen LÄGLER GmbH
Machine type..................................................... edge-sanding machine
Serial number .................................................................. see rating plate
Year of manufacture ...................................................... see rating plate
Motor type ........................................................................ universal motor
Voltage................................................................................................... 230 V
Frequency................................................................................... 50 / 60 cps
Output ............................................................................................... 1.35 kW
Fuse .......................................................................................................... 10 A
Insulation class ........................................................................................... F
Protection class................................................................................... IP 22
Protection system ...................................................................................... 2
Safety devices ......................................................... no-voltage release
.................................................................... thermal overload protection
Sanding disc diameter ..................................................... Ø 150 mm (6“)
Sanding disc diameter, corner attachment.......... Ø 61 mm (2 3/8“)
Sanding disc speed under load ............................. approx. 3100 rpm
Sanding disc speed under load,
corner attachment ...................................................... approx. 7750 rpm
Attachment height without wall-protecting roller ... 44 mm (1 3/4“)
Attachment height with wall-protecting roller ......... 58 mm (2 1/4“)
Height corner attachment................................................... 51.5 mm (2“)
Attachment length, short version ............................... 155 mm (6 1/8“)
Attachment length, long version............................... 315 mm (12 3/8“)
Length corner attachment ............................................ 225 mm (8 7/8“)
Overall height without dust bag ................................ 460 mm (18 1/8“)
Overall length without dust bag
- with short attachment ............................................... 460 mm (18 1/8“)
- with long attachment................................................. 620 mm (24 3/8“)
- with corner attachment ............................................ 530 mm (20 7/8“)
Overall width................................................................... 260 mm (10 1/4“)
Total weight....................................................................... 9.8 kg (21.6 lbs)
Dust emissions at workplace ............ < 0,2 mg/m3(0.0024 gr./cu.yd.)
Workplace-related noise emission values ........................ 86 dB (A)
Vibration total value ahv ..................................................................................................... < 2.5 m/s²
(measured at the handle)
Application purposes
Dry edge-sanding and stair-sanding of wooden floors and cork
floors.
Not to be used for any wet processing operations!
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3
This section describes how to put the FLIP into service on site. In
order to prevent damage and malfunctions, you should proceed in
the order of steps mentioned below.
3.1 PREPARING THE MACHINE
1Unpack the machine carefully. Dispose of the packing
materials according to environmental regulations.
2Pull out the stop bolt on the suction socket of the fan housing
and at the same time insert the fan tube in the suction so-
cket (Fig. 2).
3Turn the fan tube so that the opening of the elbow piece is
facing the back and the stop bolt locks home when it is let go.
Basic equipment
Machine ready for use, dust bag, extension cable 3 x 1.5 mm2- 10 m
long, universal spanner, respiratory protective mask (P3) and
operating instructions.
Special accessories
Attachment long, corner attachment, foldable earmuff type Pocket.
Wearing parts
Please check the condition of the wearing parts mentioned below
at regular intervals in order to be able to work safely and optimally
at all times:
• Extension cable renew in case of damage
• Motor cable renew in case of damage
• Velcro disc renew in case of wear or damage
• V-belt renew in case of wear
• Dust bag renew in case of wear or damage
• Guide roller renew in case of wear or damage
• Switch renew in case of wear or damage
• Paper tensioning disc renew in case of wear or damage
• Torx-srew for paper tension renew in case of wear or damage
• Carbon brushes renew in case of wear
• Motor belt pulley renew in case of wear
3
Getting started
The relevant article numbers are given in the
spare parts lists in
Section 11 .
Please note that the packaging serves as
a transport container for the machine,
accessories and sanding medium,
furthermore, the machine can be sent
without risk should there be any problems.
GETTING STARTED
Fig. 2 Withdraw the stop bolt and feed the tube into the
connector socket.
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Fig. 3 Push the dust bag over the locating flange and fix
with the two metal studs.
Fig. 4 Secure the dust bag using the quick-release
fasteners.
Fig. 6 Use the switch to switch on and off.
Fig. 5 Connect the motor cable to the extension cable.
4The fan tube can be turned through 360°, whereby four fixed
positions are possible in which the stop bolt snaps into place
in the tube.
Always select one of these four positions to avoid
accidents or damage to the machine!
5Push the dust bag opening over the locating flange fixed to
the end of the elbow piece and fix the dust bag using the
two metal studs (Fig. 3).
6Fix the dust bag to the locating flange using the two quick-
release fasteners (Fig. 4).
3.2 CONNECTING THE POWER SUPPLY CABLE
1Insert the plug of the motor cable in the coupling of the
extension cable (Fig. 5).
2Fasten the extension cable coupler using the Velcro loop
on the dust bag.
3Insert the extension cable in a suitably protected 230-volt
socket or 110-volt socket according to specified power
supply.
3.3 STARTING THE MACHINE
The FLIP is now ready to be started. When starting the machine,
the sanding disc must be raised from the floor therefore, tilt the
machine back first. You may then use the switch to start the
machine (Fig. 6).
3.4 SWITCHING OFF THE MACHINE
To switch off the machine, tilt it back so that the sanding disc is
raised off the floor and press the switch. Wait until the sanding
disc comes to a standstill before you stand the machine back on
the sanding disc.
Never let the machine run unattended and always pull the power
supply plug out of the socket when you have finished working
with the machine.
GETTING STARTED
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WORKING WITH THE FLIP
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4.1 GENERAL APPLICATION TIPS
The FLIP is a very versatile machine. The required attachment can
be replaced in a matter of seconds. The FLIP is used for fine
sanding of transitions, borders, edges, corners and stairs.
Deep sanding marks due to the selection of a too coarse
sandpaper grain size can be prevented by starting the first sanding
operation with a fine sandpaper grain size to the extent possible.
Prevent sanding marks made by previously used sandpaper grain
sizes by adhering to the order of the sandpaper grain sizes and
never skip more than a sandpaper grain size. Following each
sanding operation, vacuum the floor thoroughly.
After changing over to a new sanding disc, start working in poorly
lit areas in the room in order to remove the initial aggressiveness
of the sanding disc.
Bear in mind that the FLIP operates at very high cutting speeds.
For this reason, danger of burn marks exists for finer sandpaper
grain sizes!
Do not apply excessive pressure to the attachment. This will
significantly worsen the sanding finish by causing deep scratches,
and could cause the motor to become overheated and switch off.
Please refer to the LÄGLER sanding instructions for additional
important and interesting application tips.
4.2 REPLACING THE SANDING DISC
Depending on the processing operation, you will use various
sandpaper grain sizes. To replace the sanding disc, proceed in
the following manner:
4.2.1 VELCRO SANDING DISCS
1Switch off the machine.
2 Always pull the power supply plug out of the socket!
3Turn the machine upside down or lay it on its side, avoiding
damage to the floor and machine.
Working with the FLIP
Fig. 7 Guide the FLIP with both hands.
Fig. 8 Simply pull off the Velcro sanding disc ...
For more information free of charge,
please apply to: within Germany
- Tel.: 0800 / 52 34 537
- Fax: 0800 / 48 66 353
within the USA
- Tel.: [phone]
or
- Tel.: +49 - 7135 - 98 90-0
- Fax: +49 - 7135 - 98 90-98
- e-mail: [e-mail]
- Internet: http://www.laegler.com
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4Pull off the worn-out Velcro sanding disc from the sanding
plate (Fig. 8).
5Place a new Velcro sanding disc on the sanding plate. The
Velcro sanding disc must be seated in centered position on
the sanding plate. A drilled hole in the center of the sanding
disc and the universal spanner make this step easier (Fig. 9).
4.2.2 CONVENTIONAL SANDING DISCS
1Switch off the machine.
2 Always pull the power supply plug out of the socket!
3Turn the machine upside down or lay it on its side, avoiding
damage to the floor and machine.
4Use the universal spanner to loosen the fixing screw of the
paper tensioning device (Fig. 10).
5Rotate the fixing screw all the way out. Remove the paper
tensioning disc from the sanding plate and put these parts
aside (Fig. 11).
6Put on a new sanding disc and insert the fixing screw in the
sanding plate together with the paper faceplate (Fig. 12).
7Turn the fixing screw in the sanding plate using the univer-
sal spanner (Fig. 12); make sure the sanding disc is fastened
in centered position on the sanding plate.
8Tighten the fixing screw with the universal spanner until it
is hand-tight.
Always mount one sanding disc only, since otherwise the sanding
results will be unsatisfactory and the dust suction system not be
fully operational!
Fig. 9 ... and mount the new disc in centered position and
press down.
Fig. 10 Remove conventional sanding disc by loosening the
fixing screw with the universal spanner and ...
Fig. 12 ... mount a new disc and assemble again.
Fig. 11 ... after removing, take off the paper faceplate, ...
REPLACING THE SANDING DISC
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EMPTYING THE DUST BAG
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4.3 EMPTYING THE DUST BAG
The dust bag must be emptied when it is one-third full at the very
latest in order to prevent a deterioration of the suction
performance due to the missing filtering surface area. The hori-
zontal line on the outside of the dust bag marks the maximum filled
level. When emptying the dust bag, it is advisable to wear a
respiratory protective mask (P3).
To empty the dust bag proceed as follows:
1Switch off the machine.
2 Always pull the power supply plug out of the socket!
3Remove the extension cable coupler from the Velcro loop
on the dust bag (Fig. 13).
4Before emptying, shake the dust residue into the dust bag
(Fig. 14).
5Open the two quick-release fasteners on the locating flange
(fig. 15).
6Slowly pull the dust bag off the locating flange (Fig. 15).
7Hold the handle of the emptying fixture and insert a waste
bag from the ribbed side through the opening in the centre
of the fixture (Fig. 16).
8Pull the waste bag over the emptying fixture from behind
(Fig. 17).
9Take hold of the emptying fixture with the waste bag in one
hand and the dust bag in the other. Hold the dust bag at a
slight angle to prevent dust escaping.
10 Insert the dust bag into the emptying fixture. Make sure
the rods are in the correct position. The pins have to fit into
the openings provided (Fig. 18).
11 Apply light pressure to insert the dust bag completely into
the emptying fixture. The pins on the dust bag rods pierce
the waste bag and prevent it slipping (Fig. 18).
ATTENTION!
To prevent fire and explosion damage the dust
bag must always be removed from the machine
and emptied following sanding. The filled
waste bag may only be disposed of in a non-
combustible container!
Close this container and always store it and
the dust bag outdoors (Fig. 24)!
Fig. 15 Open the two quick-release fasteners and pull off
the dust bag.
Fig. 13 Remove the coupler from the Velcro loop on the dust
bag.
Fig. 14 Shake the dust residue into the dust bag.
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EMPTYING THE DUST BAG
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12 Fix the emptying fixture to the dust bag by turning the two
quick-release fasteners through 90° clockwise (Fig. 19).
13 Empty the dust bag into the waste bag by shaking it
vigorously (Fig. 20).
14 Seal the filled waste bag before removal using the cable
binder provided (Fig. 21).
15 Open the two quick-release fasteners on the emptying
fixture (Fig. 22).
Fig. 17 Pull the waste bag over the fixture.
Fig. 18 Insert the dust bag. Fig. 19 Fix the emptying fixture to the dust bag.
Fig. 20 Empty the dust bag by shaking it vigorously. Fig. 21 Seal the waste bag using a cable binder.
Fig. 16 Insert the waste bag in the emptying fixture.
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EMPTYING THE DUST BAG
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16 Remove the emptying fixture from the dust bag. Keep the
dust bag tilted at a slight angle to prevent any residue dust
falling back into the dust bag (Fig. 22).
17 Reattach the dust back to the machine in reverse order.
18 Remove the filled waste bag from the emptying fixture (Fig.
23) and place it in a non-combustible container (Fig. 24).
Fig. 22 Loosen the quick-release fasteners and remove the
dust bag.
Fig. 23 Remove the waste bag from the emptying fixture.
Fig. 24 Throw the filled waste bag into a non-combustible
container and keep this closed fire hazard!
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If the machine must be stored for a longer period of time, take the
necessary measures to ensure dry and frost-free storage with
minimum temperature fluctuations.
Professional tip:
Use the transport packaging to store the machine.
So that the FLIP requires less space for transport or storage,
1pull the stop bolt in the fan housing (Fig. 25),
2at the same time, turn the fan tube until the dust bag is
located over the attachment and the stop bolt noticeably
snaps into place when let go (Fig. 25).
The stop bolt must lock home to avoid accidents or damage
to the machine!
You can now easily carry the machine using the elbow piece (Fig.26).
Transport and storage
TRANSPORT AND STORAGE
5
Fig. 26 Carrying the FLIP.
Fig. 25 Pull out the stop bolt and turn the fan tube.
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MAINTENANCE WORK AND REPLACEMENT OF WEARING PARTS
6
Maintenance work and replacement
of wearing parts
You can perform various maintenance tasks on your own. These
maintenance tasks are described in the following sections. Ex-
tensive maintenance tasks, especially on the electrical equipment
must be carried out by an expert.
6.1 TIGHTENING THE V-BELT
The V-belt must be re-tightened from time to time. Proceed in the
following manner:
1 Switch off the machine and always pull the power supply
plug out of the socket!
2Turn the machine upside down, place it on its side or with
the motor housing on a table, at the same time avoiding
damage to the floor and machine.
3Use the universal spanner to undo the two screws with which
the attachment is fastened on the fan housing (Fig. 27).
4Use the universal spanner to undo the screw with which
the belt tightener plate is fastened (Fig. 28).
5Grab the FLIP at the suction socket and press the belt
tightener plate forward with your thumb at the same time,
while using the other hand to retighten the three screws
with the universal spanner (Fig. 29).
6Do not tighten the V-belt too much in order to prevent
excessive wear of the V-belt and V-belt pulley.
Fig. 29 Hold the FLIP firmly at the suction socket, press on
the belt tightener plate and tighten the three screws.
Fig. 27 Undo the two screws with which the attachment is
fastened.
Fig. 28 Undo the screw with which the belt tightener plate
is fastened.
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CHANGING THE V-BELT
6
6.2 CHANGING THE V-BELT
Make sure that original LÄGLER V-belts are used (Art. no. in Section
11, Spare parts
).
The V-belt must be replaced when the V-belt cannot be re-
tightened because the screws for fastening the attachment are at
the end of the long holes.
1 Switch off the machine and always pull the power supply
plug out of the socket!
2Turn the machine upside down, place it on its side or with
the motor housing on a table, at the same time avoiding
damage to the floor and machine.
3Undo the belt tightener plate screw using the universal
spanner, turn it so that it faces the back and then retighten
the screw (Fig. 30).
4Use the universal spanner to remove the two screws,
washers and guide angles that fix the attachment and place
the parts to one side (fig. 31).
5Remove the attachment from the machine and put away the
attachment with the sanding disc facing upward (Fig. 32).
6Use the universal spanner to remove the fixing screws of
the attachment cover and remove it from the attachment
(Fig. 33).
7Turn the attachment around.
8Use the universal spanner to loosen the four fixing screws
of the steel sanding disc and unscrew them (Fig. 34).
9Then remove the attachment from the steel sanding disc
(Fig. 35).
10 Remove the worn-out V-belt from the attachment.
Fig. 30 Loosen the screw, turn away the belt tightener plate
and retighten the screw.
Fig. 31 Remove the two screws with which the attachment
is fastened.
Fig. 32 Remove the attachment from the machine.
Fig. 33 Remove the attachment cover.
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CHANGING THE V-BELT
6
11 Clean the two belt pulleys and the attachment. Wear a
respiratory protective mask (P3) as required.
12 Place the new V-belt on the steel sanding disc.
13 Insert the steel sanding disc and the V-belt in the
attachment. Ensure that the holes in the steel sanding disc
are aligned with the holes of the attachment (Fig. 36).
14 Make sure that the sanding plate can be rotated by hand
and that the V-belt was correctly installed in the
attachment.
15 Tighten the four countersunk head screws for fixing the
steel sanding disc using the universal spanner (Fig. 37).
16 Then place the attachment on the machine by inserting the
V-belt into the motor belt pulley first and then the
attachment on the machine (Fig. 38).
17 Fit the attachment cover.
18 Now turn the screws in the screw thread of the fan housing.
Ensure that the guide angles and washers are fitted under
the screws.
19 Now tighten the V-belt as described in
Section 6.1 .
Following a running-in period, check the belt again!
Fig. 34 Unscrew the four fixing screws of the steel sanding
disc.
Fig. 35 Remove the attachment from the steel sanding disc.
Fig. 36 Insert the steel sanding disc into the attachment
with the V-belt. Ensure that the holes in the steel
sanding disc are aligned with the holes in the
attachment.
Fig. 38 Insert the V-belt into the motor belt pulley.
Fig. 37 Tighten the four countersunk head screws to fix the
steel sanding disc.
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6.3 CHANGING THE STEEL SANDING DISC
If the V-belt is being changed, it has to be determined whether the
belt pulley of the steel sanding disc is worn-out. If that is the case
you must proceed in the following manner:
1 Switch off the machine and always pull the power supply
plug out of the socket!
2Dismantle the attachment and the steel sanding disc, in
accordance with
Section 6.2.
3Reassemble the attachment with a new steel sanding disc
(complete) in the reversed order, in accordance with
Section 6.2.
6.4 CHANGING THE MOTOR BELT PULLEY
Use original LÄGLER motor belt pulleys only (Art. no. in Section 11,
Spare parts
). Due to the high motor speed of the FLIP, the motor
belt pulley is subjected to increased wear. The belt pulley should
therefore be replaced on time in order to prevent excessive V-belt
wear.
1 Switch off the machine and always pull the power supply
plug out of the socket!
2Remove the attachment as described in
Section 6.2 .
3Loosen the four fixing screws of the handle and remove it
from the motor housing. Ensure that none of the parts fall
into the motor (Fig. 40 + 41).
4Now hold the upper end of the motor shaft tight with an SW
10 spanner and use a pair of pliers to undo the motor belt
pulley from the motor shaft (normal right-handed thread).
5Clean the contact surface of the motor belt pulley and the
shaft butt end completely.
6 IMPORTANT:
Oil the machined seat of the motor belt pulley drill hole.
CHANGING THE STEEL SANDING DISC
6
Fig. 41 ... remove the handle.
Fig. 39 On the left-hand side, a new belt pulley, and on the
right-hand side, a run-in belt pulley that must be
replaced.
Fig. 40 Undo the four fixing screws and ...
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CHANGING THE CARBON BRUSHES
6
7Rotate the new motor belt pulley onto the motor shaft.
8Tighten the motor belt pulley using the spanner and pliers.
9Fit the handle to the motor housing.
10 Then install the attachment and tighten the V-belt as
described in
Section 6.2 .
6.5 CHANGING THE CARBON BRUSHES
Carbon brushes (Art. no. in Section 11, Spare parts ) with safety
contacts are used to prevent the collector from being damaged
by completely worn-out carbon brushes. These safety contacts
will switch off the machine automatically when the wear limit is
reached. The carbon brushes should, however, be replaced at
least once a year in order to prevent damage to the machine!
1 Switch off the machine and always pull the power supply
plug out of the socket!
2Undo the four fixing screws of the handle and remove it
from the motor housing, ensuring that no small parts fall
into the motor (Fig. 40 + 41).
3Pull off the connector of one of the carbon brushes from
the carbon holder (Fig. 42).
4Use the universal spanner to turn the brass pressure clamp
so that it faces the back and remove the worn carbon brush
(Fig. 42).
5Insert the new carbon brush and turn back the brass
pressure clamp (Fig. 43).
6Fix the carbon brush connector on the contact provided.
Install the carbon brush cable as for the other old carbon
brush that is still installed, to avoid subsequent pinching of
the cable (Fig. 43).
7Now replace the second carbon brush in the same way.
8Now refit the handle to the motor housing.
Fig. 42 Pull off the connector, turn the brass pressure clamp
to the back and remove the carbon brush.
Fig. 43 Insert the new carbon brush, turn back the brass
pressure clamp and attach the connector.
Professional tip:
You should have a qualified electrician clean
the collector by removing the carbon fines every
other time the carbon brushes are changed to
extend the service life of the motor!
Pricing in this catalog is outdated

20
6.6 CHECKING THE DUST SUCTION SYSTEM
In order to guarantee optimal dust suction for your safety and for
the safety of other persons, the following items must be taken into
account:
• Always use original LÄGLER dust bags FLIP (Art. no. in
Section 11, Spare parts ).
• Do not use any damaged dust bags.
• Ensure that the guide rollers are correctly positioned.
• Check the suction system for any clogged-up material or
deposits.
• Make sure that the dust bag and locating flange are
connected properly.
6.7 ADJUSTING THE GUIDE ROLLERS
The position of the guide rollers will have an effect the sanding
results and the aggressiveness of the machine. For rough sanding
tasks, a large setting angle is selected. For fine sanding tasks, a
flat setting angle.
The two alignment marks on the universal spanner can be used to
set a position for the guide rollers, which is suitable for both rough
and fine sanding work, for the short and long attachment.
This is achieved by holding the corresponding alignment mark of
the universal spanner, that depends on the attachment used,
between the guide roller and the fan housing and this spacing is
then set (see below for procedure).
This setting allows a horizontal and even sanding setting, which
does not overload the machine and leads to an even and attractive
sanded finish.
In special cases the setting must be adjusted to the circumstances,
however it is easy to find the standard setting again using the uni-
versal spanner.
The high cutting speed of the machine allows you to work fast.
The machine must be moved quickly without applying extra
pressure. If a higher amount of removed material is demanded,
the setting angle must be adjusted to a steeper setting!
CHECKING THE DUST SUCTION SYSTEM
6
Fig. 44 Standard setting for the short attachment and the
corner attachment.
Fig. 45 Standard setting for the long attachment.
Fig. 46 Correctly adjusted, machine is sanding centrically.
Pricing in this catalog is outdated