TROUBLESHOOTING
6.5 Traction Drive Troubleshooting
Symptom
Problem
Solution Section
Low hydraulic oil level
Stop engine, a
nd add oil to hydraulic
system.
Checking and
Filling Hy dra
ulic
Oil, pag e 401
Low hydraulic pressure
Foreign material s horting
sender
Short in alarm wiring
Warning alarm
sounds and
transmission oil
light is on
Faulty sender
Interna l p
ump or motor
damage
Contact Dealer. Contact Dealer
Insufficient torque at drive
wheels
Move ground speed range control
to field position, and reduce ground
speed.
Driving Fo rward
in Engine-Forward
Mode, page 170
Loose or worn controls
Check co
ntrols.
5.5.3 Gr
ound
Speed
Lever (G
SL)
Adjust
ments, page
317
Use proper oil.
8.2.3 Lubricants,
Fluids, and System
Capacities, pa ge
466
Chec
k oil level and leaks.
Check
ing and
Fill
ing Hy dra ulic
Oil,
page 401
Air in system
Check hydraulic oil filters.
5.5.9 H ydraulic
System, page 400
Brakes binding or not
releasing fully
Che
ck pressure on brake release
val
ve (min. 200 psi [1379 kPa]).
Wheels lack pulling
ability on a grade
or pulling out of a
ditch
Relief valve in tandem pump
dirty or damaged
Replace relief valve.
Le
akage at p ump o r motor
Wheels not in same speed
range
Contact Dealer.
With steering
wheel centered,
one wheel pulls
more than the
other
F
aulty relief valve
R
epair or r eplace valve. Contact
Dealer.
Co
ntact Dea ler
147649 438 Revision A
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