Steering And Ground Speed Controls - MacDon 9250 Operator's Manual

SYMPTOM
One wheel does not pull
in forward or reverse
(continued).
With steering wheel
centered, one wheel
pulls more than the
other.
Excessive noise from
drive system.
Hydraulic oil filter leaks
at seal.

Steering and Ground Speed Controls

Machine will not steer
straight.
Machine moves on flat
ground with controls in
neutral.
Insufficient road speed.
NOTE: A more complete Troubleshooting guide is given for the Neutral Lock & Steering on page 101.
* See your Windrower dealer.
Form # 46584
TROUBLE SHOOTING
PROBLEM
Speed-range control not
working.
High pressure relief
valve stuck open, dam-
aged seat.
Failed pump, motor or
power wheel.
Leakage at pump or
motor.
Faulty relief valve.
Hydraulic line clamps
loose.
Mechanical interference
in steering or ground
speed linkage.
Brakes dragging.
Faulty pump or motor.
Air in system.
Not properly tightened.
Damaged seal or
threads.
Linkage worn or loose.
Neutral lock
misadjusted. See note
below.
Parking brake out of
adjustment.
Speed-range control in
Field Position (Turbo).
128
SOLUTION
Check for faulty servo or
blockage in hose.
Check valve and clean
or replace.
Repair or replace failed
component.
Repair pump or motor.
Repair or replace valve.
Tighten clamps.
Adjust, repair, replace.
Adjust brakes for full
release.
Repair or replace pump
or motor.
Check lines for leakage.
Tighten filter element.
Replace filter or filter
head.
Replace worn parts,
adjust linkage.
Adjust neutral lock.
Adjust brakes.
Move to Road Position.
Issue 11/06 Web Rev_01
REF.
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108,
109
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90
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98
108,
109
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