SUNWARD SWL3220 - Page 82

SWL Series Skid Steer Loader
81
Trouble
Cause
Solution
• Excessive oil
temperature
• Check oil lever and
clean exchanger
• Travel motor faulty • Repair or change
Traction force is insufficient
in only one direction
•
Endothermic engine
strongly overloaded
•
Reduce loads due to
lifting
• Incorrect setting of the
max. pressure valve
relevant to that direction
• Set valve
Oil overheating
• 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
• Travel motor faulty • Repair or change
Machine dose not reach
max. speed
• 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
•
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
Machine accelerate slowly
• Engine power drop
• Check clogging of fuel
filter, injection pump and
valves
•
Pressure relief valve
setting incorrect
• Set to rated value
Oil leakage from engine
propeller shaft and/or pump
• Sealing rings faulty • Change
• Counter
pressure in
pump casing
• Drain pipes clogged or
damaged