HPA-Faip M 424 Uso Y Mantenimiento página 59

TROUBLE
SHOOTING
Table top will not rotate
Power cord conductor shorting to
ground.
➥ Check the wiring.
Motor shorted.
➥ Renew the motor.
Rotation control pedal fails to
return to the central position
Control spring broken.
➥ Renew the spring.
Bead breaker pedal and table
top pedal
do not return to home position
Control spring broken.
➥ Renew the spring.
No oil in lubricator.
➥ Top up lubricator with SAE20 non-
detergent oil.
Air leak inside the machine
Air leak from bead breaker cock.
➥ Renew the cock.
➥ Renew bead breaker cylinder.
Air leak from the table top cock.
➥ Renew table top cylinder.
➥ Renew swivel connector.
Bead breaker cylinder lacks
force,
fails to break beads and leaks
Silencer plugged.
➥ Renew silencer.
Cylinder seals worn.
➥ Renew seals.
➥ Renew bead breaker cylinder.
M 424 - M 424 FS
air
Bead breaker cylinder leaks air
around the rod
Air seal worn.
➥ Renew seals.
➥ Renew bead breaker cylinder.
Table top will not rotate in
either direction
Inverter faulty.
➥ Replace inverter.
Belt broken.
➥ Renew belt.
Gear unit broken.
➥ Renew gear unit.
Gear unit noisy. The table top
makes 1/3 of a revolution
and then stops
Gear unit seizing.
➥ Renew gear unit.
Table top fails to clamp wheels
Table top does not clamp rim.
➥ Renew table top cylinder.
Clamp grippers are worn.
➥ Renew clamp grippers.
Table top mounts or demounts
tyres with difficulty
Insufficient belt tension.
➥ Adjust belt tension (fig.23) or renew it.
Vertical slide lifts too little or
too far from rim
Clamping plate not adjusted.
➥ Adjust plate.
Vertical slide ascends under
strain
Defective clamping plate.
➥ Renew plate.
Clamping plate not adjusted.
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