Scheppach BTS800 Handleiding pagina 15
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Maintenance
Warning: When servicing use only identical Ryobi replace-
ment parts. Use of any other parts may create a hazard or
cause product damage.
Warning: To avoid serious personal injury make sure the
belt/disc sander is turned OFF and the cord is unplugged
from the power source before performing any maintenance
or adjustment.
General maintenance
After using your belt/disc sander, clean it completely and
lubricate all sliding and moving parts. Apply a light coat of
automotive type paste wax to the worktable to help keep
the surfaces clean.
Motor housing
Frequently blow out any dust that may accumulate inside
the motor housing.
Changing drive belt, Fig. 20.
• Using a phillips head screwdriver, remove the two screws
in the center of the pulley cover.
• Remove the cover.
• Raise sanding belt to the vertical sanding position (see
Figure 20).
• Next, loosen the hex head set screw. Raising the motor
pulley releases the belt tension.
• Remove the old drive belt.
• Fit the new drive belt on the drive pulley first and then
on the motor pulley.
• Test belt tension by squeezing the belt with your fin-
gers.
• Adjust the belt tension with the hex head set screw until
there is about 1/4 in. (6 mm) of give.
• Tighten the belt tension nut securely.
Note: Excessive tightness on the drive belt may cause in-
creased noise and overload the motor. Excessive looseness
on the drive belt may cause the drive belt to fail prema-
turely and make a severe chattering noise.
• Using a phillips head screwdriver, reinstall the pulley
cover and the two phillips head screws. Tighten secure-
ly.
Problem
Possible Cause
a) ON/OFF switch damaged.
b) ON/OFF cable damaged.
c) ON/OFF relay damaged.
d) Fuse blown.
Motor doesn't start
e) Motor burnt.
Machine gets slower
Too much pressure put on the workpiece.
during work.
Sanding belt comes off
Belt does not run straight.
the drive pulleys.
The wood gets burnt
a) Sanding disc or belt covered with grease.
during sanding.
b) Excessive pressure on workpiece.
12 english
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Trouble shooting
Help
a-d) Replace all damaged parts before you
use your machine again.
e)
Contact your local service centre. Every
attempt to carry out a repair, can be
dangerous if it is not done by skilled
personnel.
Reduce the pressure on the workpiece.
Reset the track.
a) Replace disc or belt.
b) Reduce pressure on workpiece.
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