Ravaglioli G7645 Série Manuel D'instructions page 48

PROBLEMS
The head gets in contact with
the rim during assembly/disas-
sembly.
One or more pedals do not
return to their original position.
Pneumatic controls
work (chucking, beader, post
tilting and tool clamping).
Some single pneumatic devices
do not work (beader, clamps or
post tilting device).
PROBLEMS
The.spindle does not turn.
The.spindle does not turn in
the counter clockwise
direction.
The spindle turns slowly even
though the motor pedal is not
being pressed.
The.spindle does not turn but
attempts to when the machine
is turned back on.
The spindle does not reach
maximum rotation speed.
48
Clamping plate not adjusted
a)
or faulty.
Spindle retaining screw loose.
b)
Return spring released.
a)
Return spring broken.
b)
do not a) Machine pneumatic system
not connected.
Air lines clogged.
b)
c) Silencers dirty or clogged.
a) Ensure that device and/or
distributor
damaged.
ONLY FOR G7645D.XX_G7645ID.XX_G7645ITD.XX MODELS
Inverter overload alarm
a)
Inverter undervoltage alarm
Inverter overvoltage alarm
b) Overheating alarm
a) The pedal unit microswitchis
broken
a) Reversible decalibration of
the pedal unit
Irreversible decalibration of
a)
the pedal unit
Mechanical resistance of the
a)
gear motor has increased
CAUSES
a)
b)
a)
b)
a)
b)
c) Clean and/or replace the silencers.
a) Call After-Sales Service.
seals are not
CAUSES
a)
Or
Or
b)
a)
a)
a)
a)
7300-M009-0_R
REMEDIES
Adjust or replace the clamping plate.
Tighten the screw.
Fasten the spring.
Replace the spring.
Check pneumatic connections
supply.
Ensure that the air filter is clean and
undamaged, if fitted. If no air filter is
fitted, remove all dirt
pneumatic system and then fit a
suitable filter.
REMEDIES
If an extension lead is used leading
to the machine, shorten its length or
increase the cross section of the
conductors (disconnect and re-
connect). Lift the motor pedal and
wait for automatic resetting.
Wait for the motor system to cool
down (the machine will not start if the
temperature does not drop below the
set safety limit).
Replace the microswitch
1. Leave the motor pedal in the idle
position.
2. Leave the machine connected to
the mains.
3. Wait 30 seconds for the automatic
attempt at recalibrating the pedal unit
to finish.
Contact assistance.
Make the spindle turn with no-load
for a few minutes so the system can
warm up thus reducing friction.
If the spindle does not re-accelerate
after this then call assistance.
and
into the