ProcedureMain causeSymptoms
Left and right control
levers do not move
smoothly
Lift arms, bucket,
auxiliary hydraulics or
traveling operation not
possible
Scooping or lifting force
is insufficient
Traveling is not possible
or not smooth
Machine does not travel
straight forward
Operation is not
possible with the
various switches
Travel speed cannot be
changed
Hydraulic oil
temperature is too high
Insufficient grease on left and
right control levers
Safety bar is raised
Fuse is blown
Insufficient hydraulic oil level
Hydraulic oil is not heated
Air cleaner is clogged
Hydraulic oil is not of suitable
type
Stones or foreign objects are
stuck
Stones or foreign objects are
stuck
Fuse is blown
Safety bar is raised
Fuse is blown
Insufficient hydraulic oil
Add grease.
Refer to page 150.
Lower the safety bar.
Refer to page 59.
Replace the fuse.
Refer to page 160.
Replenish to the prescribed
level.
Refer to page 119.
Perform the warm-up
procedure.
Refer to page 75.
Replace the air cleaner.
Refer to page 136.
Replace the hydraulic oil.
Refer to page 144.
Remove the foreign object.
Remove the foreign object.
Replace the fuse.
Refer to page 160.
Lower the safety bar.
Refer to page 59.
Replace the fuse.
Refer to page 160.
Replenish to the prescribed
level.
Refer to page 119.
ProcedureMain causeSymptoms
Starter motor turns but
engine does not start
Crawlers slip off
Engine exhaust is white
or bluish
Engine exhaust is
occasionally black
Irregular noise is
produced from the
engine (combustion or
mechanical noise)
Insufficient fuel
Air in fuel system
Water in fuel system
Crawlers are too loose
Excessive engine oil
Insufficient fuel
Air cleaner is clogged
Low quality fuel is being used
Engine is overheating
Damage in muffler
Add fuel.
Refer to page 118.
Bleed the air.
Refer to page 159.
Drain the water.
Refer to page 132.
Adjust the tension.
Refer to page 128.
Adjust to the prescribed
level.
Refer to page 117.
Replace the fuel.
Replace the air cleaner.
Refer to page 136.
Replace the fuel.
If the Engine Overheats
Refer to page 157.
Replace the muffler.
(Request at a Gehl dealer.)
Other Symptoms
For symptoms not included on the table below or if the problem persists after the proper
procedures have been taken, consult a Gehl sales or service outlet.