INSTRUCTION, USE AND
MAINTENANCE MANUAL
GB
Page 33 of 60
14.0 TROUBLESHOOTING TABLE
Possible troubles which might occur to the tyre-changer are listed below. The manufacturer disclaims all
responsibility for damages to people, animals or objects due to improper operation by non-unauthorised
personnel. In case of trouble, call Technical Service Department for instructions on how to service and/or
adjust the machine in full safety to avoid any risk of damage to people, animals or objects.
In an emergency and before maintenance on tyre-changer, set the main switch to “0” and lock it in this position.
CONTACT AUTHORIZED TECHNICAL SERVICE
Do not try and service alone.
Problem
Possible cause
Remedy
The bead breaker roll is not im-
mediately activated.
1. Supply missed.
2. The control push button is
broken.
1. Connect the supply.
2. Call for technical assistance.
The bead-breaker hydraulic
pump jams.
The bead-breaker lubricator is
empty.
Top up the reservoir with suit-
able oil having first discon-
nected the mains supply. Call
for technical assistance.
The nozzle doesn’t supply air
when the inflation pedal is
pressed (Model with tubeless
inflation).
The inflation pedal is badly ad-
justed.
Call for technical assistance.
During bead-breaking the bead-
breaker tool does not engage.
1. The arm valve is not activated.
2. The arm valve is badly ad-
justed.
3. The connection cylinder is broken.
1. Move the bead-breaker tool
out.
2. Call for technical assistance.
3. Call for technical assistance.
No movements take place when
the pedals are pressed.
1. Supply missed.
2. Inflation pedal unit not set
correctly.
1. Check power supply.
2. Call for technical assistance.
The mandrel doesn’t rotate.
Inverter overload alarm
Or
Inverter undervoltage alarm
Or
Inverter overvoltage alarm
Shorten the lenght of a possible ma-
chine extension cable or increase the
conductors section (disconnect and
connect again). Lift the motor pedal and
wait for the automatic reset.
Overtemperature alarm.
Wait until the motor system cools (the
machine does not restart if the tem-
perature level does not go below the
set safety threshold).
The mandrel does not reach the
maximum rotation speed.
The mechanical resistance of the
gearmotor system has increased.
Turn the mandrel without
wheel for a few minutes so that
the system heats, thus reducing
frictions. If in the end the man-
drel does not accelerate again,
call for technical assistance.
The tool arm’s vertical transla-
tion control does not work.
Wrong position of the upper
mechanical stop of tool’s stem.
Operate on the lever of the tool
control, moving it upwards un-
til it comes in contact with the
relevant upper limit switch. If
the problem persists, call for
technical assistance.
RAVAGLIOLI S.p.A.
7300-M018-2_R
G8945.26 - G8945IT.26 - G8945V.26 - G8945ITV.26 - G8945V.26S - G8945ITV.26S - G8945D.26 - G8945ITD.26 - G8945D.26S - G8945ITD.26S
