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4. OPERATION
Adjusting the cutting depth (Fig. B, E)
Set the chase depth before starting to work
and with the device switched off.
1. Loosen the lever (11) by moving it backwards.
2. Adjust to the required cutting depth, as shown on
figure E. The depth can be read on the scale (13).
3. Tighten the lever (11) by moving it forwards.
Switching on and off (Fig. A)
• To switch on the machine, keep the lock-off but-
ton (2) pressed and simultaneously press the
on/off switch (1).
• To switch off the machine, release the on/off
switch (1).
Making a cut (Fig. A, G)
The wall chaser is designed only for straight
cuts. Making curved or round cuts is not
allowed.
The tool is designed for dry cuts only.
Always hold the tool with two hands on the
insulated handles.
1. Draw lines to define the direction in which to
guide the discs.
2. Mount a vacuum cleaner to the dust outlet.
3. Set the cutting depth.
4. Position the rear roller (4) on the wall surface.
Note that the disc should not yet touch the wall
surface.
5. Switch the wall chaser on and wait until the
discs reach full rotational speed.
6. Gradually lower the wall chaser, plunging the
discs into the wall surface.
7. As soon as the front roller (9) rests on the wall
surface, continue with the cut and move the
wall chaser forward and away from you (in
direction opposite to rotation of cutting disc).
8. Slowly move the machine along the pre-drawn
lines, firmly pressing the wheels against the wall.
Note: Do not apply too much pressure on the
machine. Let the machine do the work. Applying
excessive pressure may cause motor overhea-
ting and damage of the cutting disc.
9. To end the cut, switch off the machine and wait
until the discs have stopped completely. After-
wards remove the discs from the chase and put
down the machine.
After switching the wall chaser off, do not
force the braking of the rotating disc by
pressing it against processed material.
Cutting discs heat up to high temperatures
during operation – do not touch them with
unprotected parts of your body before they
cool down.
Note: When cutting very hard materials, cutting
disc may be overheated and become damaged in
consequence. Excessive sparks around the cutting
disc indicate overheating. When it appears, stop
cutting and cool down the disc by running it with
full rotational speed with no load for 3–5 minu-
tes. A decrease of cutting efficiency and constant
excessive sparks around the cutting disc may
indicate a blunt cutting disc.
5. MAINTENANCE
Before cleaning and maintenance, always
switch off the machine and remove the
mains plug from the mains.
Clean the machine casings regularly with a soft
cloth, preferably after each use. Make sure that the
ventilation openings are free of dust and dirt. Re-
move very persistent dirt using a soft cloth moiste-
ned with soapsuds. Do not use any solvents such
as gasoline, alcohol, ammonia, etc. Chemicals such
as these will damage the synthetic components.
ENVIRONMENT
Faulty and/or discarded electrical or
electronic apparatus have to be collected at
the appropriate recycling locations.
Only for EC countries
Do not dispose of power tools into domestic waste.
According to the European Guideline 2012/19/
EU for Waste Electrical and Electronic Equipment
and its implementation into national right, power
tools that are no longer usable must be collected
separately and disposed of in an environmentally
friendly way.
Summary of Contents for WC503AC
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Page 3: ...WWW VONROC COM 3 C E1 F D E2 G 8 7 6 12 14 3 9...
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