EN
Noisy Changeover
Replace green spider coupling
Fault Finding
Mechanics
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
Gearbox Oil leaking from ventilator
Unit overfilled with oil.
Check and correct the oil level
Carriage does not maintain contact
with cam
a) Check and replace springs
b) Check fluid section
Grease bearing or replace if damage
is too great
Bearing needs lubrication
Cam Followers bearing generating
heat / noise
Remedy
Possible Cause
Symptom
a) Defective gasket on gear unit
cover.
• from the output oil seal
• from the gear unit flange
• from the motor flange
• from the gear unit cover
b) Fluid seal friction or piston
movement prevented
a) Spring tension insufficient
b) Fluid seal friction or piston
movement prevented
a) Spring tension insufficient
c) Check vent is clean/fitted and not
the transportation plug
b) Return gearbox
a) Retighten screws on gear unit
cover.
c) Gear unit not ventilated
b) Defective gasket.
77-3228 R3.3
29/36
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