EN
c) Gear unit not ventilated
c) Check vent is clean/fitted and not
the transportation plug
Bearing needs lubrication
Grease bearing or replace if damage
is too great
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
Gearbox Oil leaking
Cam Followers bearing generating
heat / noise
• from the output oil seal
• from the gear unit flange
Carriage does not maintain contact
with cam
a) Check and replace springs
b) Check fluid section
b) Fluid seal friction or piston
movement prevented
a) Spring tension insufficient
Fault finding
Mechanical
Symptom
Possible Cause
Remedy
b) Return gearbox
a) Retighten screws on gear unit
cover.
• from the motor flange
• from the gear unit cover
Gearbox Oil leaking from ventilator
Unit overfilled with oil.
Check and correct the oil level
b) Defective gasket.
a) Defective gasket on gear unit
cover.
Noisy Changeover
Replace green spider coupling
a) Spring tension insufficient
c) Worn coupling spider between
gearbox and drive shaft.
b) Fluid seal friction or piston
movement prevented
77-3330 R1.3
30/36
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