Operating instructions

32
Mechanical and electrical design
Repair instructions
Overheated motor, motor not running
• Wait till motor has cooled down. Motor guards
are automatically reset after 30 minutes.
Restart.
• Possible cause of motor guards releasing
repeatedly: short circuiting. In both cases the
motor should be replaced.
Very noisy motor
• Breakdown of bearings – replace motor.
Motor locks
Breakdown of bearings – replace motor
Motor does not turn
• Check belt tension.
When checking the belt tension or when
changing belt, follow the instructions shown.
NOTE!
Checking the belt tension should always
be a part of the regular maintenance.
2311
A
F
47
Fig.
47
EX12 EX22
F 67 lbs 67 lbs
A
max
12 mm 12 mm
A
min
10 mm 10 mm