Troubleshooting Tips - Würth 0701 322 Serie Traducción Del Manual De Instrucciones De Servicio Original

Fault
Motor fails to start
Triggering the thermal cut-out
PBS 105 and PBS 160:
Inaccurate cutting angle at
0° and 45°
PBS 120:Inaccurate cutting angle
at 0° and 60°
PBS 120:
Inaccurate cutting angle at 45°
Inaccurate cut at right angles
Rough or irregular cutting edge.
The saw band slides easily from
its guides.
28

Troubleshooting tips

Possible cause
Motor, power cord or plug defec-
tive.
Cut-out in switch cabinet triggered.
Power failure in the mains supply
Thermal cut-out of motor triggered.
Motor overheating
Overload of the motor due to exces-
sive cutting pressure
Motor damaged
The locking device is not set
correctly.
The stops [23] and [25] have not
been set correctly.
The stud [23] has not been set
correctly.
Excessive cutting pressure
Tooth pitch of saw band not suita-
ble for workpiece.
Cutting speed not suitable for
workpiece.
Saw band guide set incorrectly
Workpiece not clamped flat
Saw band worn or tooth pitch
unsuitable for workpiece thickness.
Excessive cutting pressure
Eccentric saw band guides set
incorrectly.
Excessive wear to rubber coating
of rollers
Saw band slips at the rollers due to
cutting oil or grease.
Remedy
Have the saw examined and repaired
by an authorised electrician.
Check cut-out and reset.
Check voltage of mains supply.
Release the main motor switch [10]
and wait a few minutes until certain
the cut-out has automatically reset
again by itself.
Check whether the ventilation slots of
the motor are soiled and clean them,
if necessary.
Reduce cutting pressure.
Have the saw examined and repaired
by an authorised electrician.
Readjust stops. Release fastening
screws and realign stops.
Readjust stops. Release fastening
screws and realign stops.
Loosen lock nut and readjust stud.
Retighten lock nut.
Reduce cutting pressure.
Check cutting parameters in the cut-
ting table (Fig. IV) and adjust.
Check cutting parameters in the cut-
ting table (Fig. IV) and adjust.
Check settings and adjust them, if
necessary.
Check workpiece clamping and adjust
it, if necessary.
Check cutting parameters in the cut-
ting table (Fig. V) and adjust.
Reduce cutting pressure.
Check settings and adjust them, if
necessary.
Have rollers examined by specialist
technicians and have them replaced,
if necessary.
Never use any lubricants or coolants
for sawing. Have rollers examined by
specialist technicians and have them
replaced, if necessary.