EN
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Fault Finding
Mechanics
Symptom
Possible Cause
Remedy
Gearbox Output shaft does not
rotate, even though the motor is
running.
Drive between shafts in the gear unit
interrupted
Return the unit for repair and replace
gearbox
Noisy Changeover
Spring tension insufficient
Replace green spider coupling
Fluid seal friction or piston
movement prevented
Gearbox Oil leaking from ventilator
Unit overfilled with oil.
Check and correct the oil level
Carriage does not maintain contact
with cam
Spring tension insufficient
Check and replace springs
Fluid seal friction or piston
movement prevented
Check fluid section
Grease bearing or replace if damage
is too great
Bearing needs lubrication
Cam Followers bearing generating
heat / noise
Gearbox Oil leaking
•
from the gear unit cover
from the motor flange
Defective gasket.
Return gearbox
from the gear unit flange
Gear unit not ventilated
Check vent is clean/fitted and
not the transportation plug
from the output oil seal
Defective gasket on gear unit
cover.
Retighten screws on gear
unit cover.
77-3229 R4.1
28/36
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