MacDon M105 - Page 343

TROUBLESHOOTING
Symptom
Problem
Solution Section
One final drive disengaged Engage final drive.
Final Drives, page
115
Steering controls worn or
defective
Check GSL and steering for loose,
worn or damaged ball joints and
connecting rods.
5.7.3 Ground
Speed
Lever (GSL)
Adjustments, page
212 and
5.7.4 Steering
Adjustments, page
214
High press
ure relief valve
stuck open
, damaged seat
Check v alv
e, and clean or replace.
Brakes binding or not
releasing fully
Check pressure on brake release
valve) (min. 200 psi [1379 kPa]).
Pump arm or shaft is broken
Damaged hydraulic lines
preventing proper oil flow
Ground speed range control
not working
One wheel does
not pull in forward
or re verse
Failed pump, motor or
power hub
Contact Dealer.
Contact Dealer.
Mechanical interferen ce in
steering or ground speed
linkage
Adjust, rep air, repla ce .
5.7.3 Ground
Speed
Lever (GSL)
Adjustments, page
212 and
5.7.4 Steering
Adjustments, page
214
Brakes binding or not
releasing fully
Che
ck pressure on brake release
val
ve) (min. 200 psi [1379 kPa]).
Faulty pump or motor
Contact Dealer.
Contact Dealer.
Air in system
Check lines for leakage.
Excessive noise
from drive system
Hydraulic line clamps loose Tighten clamps.
—
Not properly tightened
Tighten fi lter element.
Hydraulic oil filter
leaks at seal
Damaged seal or threads Replace filter or fi lter head.
169890 329 Revision A