Troubleshooting
3
Problem Possible Causes Corrective Action
Engine overheats.
• Engine load is excessive. • Reduce ground speed.
• Reduce speed of
attachment.
• Engine oil level in crankcase
is low.
• Add the appropriate engine
oil to crankcase. See engine
manual for oil specications.
• Engine radiator not cooling
engine properly.
• Clean protective cover to
allow proper air ow.
• Clean engine side of radiator.
• Start engine to make sure
radiator fan is running. If
not, check fuse. Fuse OK –
contact Service Dealer.
• Check radiator coolant level.
The engine coolant in the ra-
diator will be under pressure
and will be very hot. Let the
engine and radiator to cool to
the touch before attempting
to open radiator cap.
• Contact Service Dealer
Abnormal engine vibration.
• Engine mounting bolts are
loose.
• Tighten engine mounting
bolts.
With the engine turned off,
the boom creeps down-
ward more then 3” per
hour (less than 3” per hour
is normal for this machine).
• Valve spool leakage. • Contact Service Dealer.
• Cylinder seals are leaking. • Replace cylinder seals.
With the engine turned off,
boom drops downward
quickly and then stops.
• Cylinder seals are leaking. • Replace cylinder seals.
The machine does not
travel in either forward or
reverse directions.
• Engine is not running at full
speed.
• Advance throttle to full
engine speed.
• Hydraulic uid is cold. • Fully warm hydraulic uid.
• Hydraulic uid level is low. • Check and ll the hydraulic
uid tank with the
appropriate hydraulic uid.
• Fuel tank is empty and engine
stops.
• Fill fuel tank with fuel.
• If all above has been checked. • Contact authorized service
dealer.
WARNING
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