Mondolfo Ferro As933 Manual De Uso página 38

there is no dirt, dust or other impurities
on the jaws near the air outlet holes.
- Make sure that the wheel is secured to
the table top with inside clamping.
- Connect the Doyfe inflator chuck (21)
on the air hose to the valve stem.
- Hold the tyre with your hands and lift it
until there is a slight gap between the
lower bead and bottom edge of the rim
in order to close the upper bead and the
top of the rim.
- Press the inflation pedal fully down for a
short period to the bead seating position
(fig.22b). The tyre will expand and the
beads will seat.
- Continue to press the pedal in the in-
flation position (fig.22b) until the beads
are completely sealed.
Note: to improve the operation of
the tubeless tyre inflation system the
compressed air line pressure must be
between 8/10 bar.
38
E - Operator manual
nglIsh
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 air
Silencer plugged.
Renew silencer.
Cylinder seals worn.
Renew seals.
Renew bead breaker cylinder.
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 (microswitch for 2V).
Belt broken.
Renew belt.
Gear unit broken.
As 933 - As 934 - As 943 - As 944 - As 946