SWTL4510 Operation Manual
74
Trouble
Cause
Solution
•
Incorrect setting of the
max. pressure valve
relevant to that direction
•
Set valve
•
Oil level too low
•
Refill oil
•
Exchanger clogged or
dirty
•
Check and change if
necessary
•
Unsuitable oil
•
Change with correct oil
•
Suction pipe tightness
•
Check and eliminate
leakage
•
Setting and operation
of the max. pressure valves
•
Check setting, repair or
change
•
Travel pump faulty
•
Repair or change
•
Pressure relief valve
with high setting
•
Set valve
Oil overheating
•
Travel motor faulty
•
Repair or change
•
Suction filter clogged
•
Change
•
Endothermic engine
dose not reach max. speed
•
Change diesel oil filter
and check injection pump
•
Auxiliary pump (gear
pump) faulty
•
Check, repair or change
•
Pilot pressure
insufficient
•
Set
Machine dose not reach
max. speed
•
Pressure relief valve
setting incorrect
•
Set to rated value
Machine decelerates
discontinuously
•
Mechanical
connection with servo
control lever too hard
•
Check if rotation is
smooth
•
Engine power drop
•
Check clogging of fuel
filter, injection pump and
valves
Machine accelerate slowly
•
Pressure relief valve
setting incorrect
•
Set to rated value
•
Sealing rings faulty
•
Change
•
Counter pressure in
pump casing
•
Drain pipes clogged or
damaged
Oil leakage from engine
propeller shaft and/or pump
•
By-pass valve setting
too high
•
Check and restore
Others
Fuel completely depleted
•
Fuel runs out of
•
Refuel and bleed the
system before start the engine
