Scheppach kw 7.0 Originalbetriebsanleitung Seite 36

19. Troubleshooting
Fault
The saw does not Brake system defective
brake when switching
the machine off
Saw blade is loose Fixing nut not tight enough
after the motor is
switched off
Engine makes exces- Coils damaged, motor defective
sive noise or hums
Loud noise from the No or insufficient oil in the gearbox
angular gear
Gearbox defective
Burnt areas on the Blunt saw blade
cutting surface
Incorrect saw blade
Engine does not start Mains fuse blown
Extension lead defective
Connection to the engine or switch
not OK
Engine or switch faulty
With the kw-ze 7.0: Protective cover
not mounted on PTO shaft guard
Saw blade turns in the Polarity reversed
wrong direction
Incorrect connection
Motor not supplying Overload due to blunt saw blade
power, switches itself
Cross section of the extension cable
off automatically
insufficient
Overload protection is activated
Decreasing saw power Belt loose
at full speed
Saw blade jammed.
m Electrical maintenance work may only be carried out by a qualified electrician!
36 | GB
Possible cause
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Remedy
Have the brake system checked and, if necessary,
replaced by a specialist workshop.
Tighten the fixing nut (Attention: Right-hand thread,
90 Nm)
Arrange for inspection of the engine by a specialist
workshop.
Top up oil
Replace gearbox
Sharpen saw blade by a specialist
Replace saw blade
Check mains fuse
Check extension cable, do not continue to use defec-
tive cables, have them repaired by a professional
Have this checked by an electrician
Have this checked by an electrician
Mount protective cover on PTO shaft guard cap
Change direction of rotation with phase inverter
Have an electrician transpose the wall socket poles
Replace saw blade
see "Electrical connection"
Machine Switch back on again after cool-down time
Retighten belt
For kw 7.0 and kwd 7.0: Switch off the machine, pull
out the mains plug and release the blockage
For kwz 7.0 and kw-ze 7.0: Switch off the Cardan
shaft drive and the engine, remove the ignition key and
release the blockage.