12
PROBLEMS DIAGNOSTICS
128 AXH1157-UK (ENG) L3500 L4700 F7000 [FPT S3A]
PROBLEM CAUSE SOLUTION
The counter-frame does not
move up
(if installed)
Stopped fifth wheel that remains
engaged
Check the cylinder operation
Low pressure Calibrate the distributor (services
pump)
Lifting cylinders internal oil leak Replace the gaskets
12.6 - Loading shovel
PROBLEM CAUSE SOLUTION
The machine does not lifts
the loading shovel
Hydraulic oil level in the tank
insufficient
Top up
Relative hydraulic pump failure Repair or replace the pump
Distributor low calibration Check and re-calibrate the distributor
Lifting cylinders internal leak Replace the gaskets
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