POSSIBLE FAULTS
Many years experience of our product has allowed us to identify and classify the
most common faults which occur. In most cases it requires accurate hydraulic
and electric troubleshooting and simple rectification. In the following table we
report the most frequent inconveniences and our suggested remedies.
(!) Checking and adjustment of oil pressures of valve settings must be
carried out by an authorized service agent, under penalty of warranty
forfeiture.
Operations which can be carried out by the user.
Faults
Cause
Remedies
The crane does not
Vehicle non in level position
Stabilize the vehicle
rotate properly
Lack of lubrication
Grease the bushes
The extension booms
Lack of lubrication of the
Grease the guide shoes
do not completely
guide shoes
extend or work jerkily
Vibrations in crane
Shortage of oil
Check the level and
operations
top up if necessary
Obstructed filters
Clean or replace the filter
cartridge
Noteable decrease in
Obstructed filters
Clean or replace the filter
movement speed
cartridge
Operations to be carried out by a service center.
Faults
Cause
Remedies
The crane does not lift
Non efficiency of the
Replace the pump
the loads indicated on
pump
the capacity plate
Main pressure valve not
Check the pressure,
properly adjusted, blocked
adjust the valve
or out of service
Ram seals are not properly
Replace the seals
fitted
A boom of the crane
The safety check valve of
Replace the valve
does not hold up the
the ram is open
load and visually lowers
Oil leaks inside the ram
Defective seals, replace
them
The crane does not
Valves controlling the
Adjust the valves
rotate properly
rotation not adjusted
Relief valves of the
Adjust the valves
distributor not adjusted
Wear of the seals of the
Replace the seals
rotation cylinder
The extension booms
Wear of guide shoes
Check the guide shoes
do not completely
wear, replace if necessary
extend or work jerkily
Vibrations in crane
Non efficient pump
Check the pump
operations
Noteable decrease in
Non efficient pump
Check the pump
movement speed
c XIII
POSSIBLE FAULTS
F 240
34
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