16.
TROUBLESHOOTING
16.3.2
CHASSIS
Problem
Transmission oil pressure does
not rise
Lack
of drawbar pull
(travel speed
does
not rise)
Machine does not move off even when
gear shift lever is placed in position
When steering lever on one side is
pulled during operations, machine
does not turn, but stops or engine
speed changes
When steering lever is pulled on one
side, machine does not turn and
travels straight
When brake pedal
is depressed,
machine does not stop
Track comes
off
Abnormal wear of sprocket
Blade rises slowly or does not rise at all
Main causes
Entry of
air
or leakage
of
oil caused
by damage or improper tightening of
oil
pipe, pipe
joint
Wear, scuffing
of
gear pump
Lack of oil
in
transmission case
Clogged oil filter
element strainer in
transmission
case
l
Lack of
engine
horsepower
l
Lack
of
oil in transmission case
l
Transmission oil pressure does not
rise
l Steering clutch is slipping
0 Wear,
scuffing of gear pump
Steering clutch on side which is
pulled is not disengaged
o Excessive clearance between
adjustment bolt and bellcrank
Steering clutch slipping on opposite
side
o Improper adjustment
l Steering clutch on side which was
pulled is not
disengaged
l
Brake on side
which was pulled does
not work
l
Defective brakes
l
Track
too loose
l
Track
too loose or too tight
l
Lack of hydraulic oil
(o Check, repair)
(o
Check,
replace)
l
Add oil
to specified level.
See
CHECK
BEFORE STARTING.
0 Clean
l
See section related
to engine
l
Add
oil to specified
level.
See CHECK BEFORE STARTING.
l
See “Transmission oil pressure
does not rise”
(0
Check, repair)
o Adjust. For details, see WHEN
REQUIRED
o Adjust. For details see WHEN
REQUIRED
l Adjust. For details see WHEN
REQUIRED
l
Adjust. For details see WHEN
REQUIRED
l
Adjust. For details see WHEN
REQUIRED
l
Adjust. For details see
WHEN
REQUIRED
l
Add oil to specified level.
See EVERY 250 HOURS SERVICE.
2-56
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