MacDon 9250 SP - Manual (Page 130)

Form # 46584 Issue 11/06 Web Rev_01 128
TROUBLE SHOOTING
SYMPTOM
PROBLEM SOLUTION REF.
One wheel does not pull
in forward or reverse
(continued). Speed-range control not
working. Check for faulty servo or
blockage in hose. *
High pressure relief
valve stuck open, dam-
aged seat. Check valve and clean
or replace. *
Failed pump, motor or
power wheel. Repair or replace failed
component. *
With steering wheel
centered, one wheel
pulls more than the
other. Leakage at pump or
motor. Repair pump or motor. *
Faulty relief valve. Repair or replace valve. *
Excessive noise from
drive system. Hydraulic line clamps
loose. Tighten clamps. ---
Mechanical interference
in steering or ground
speed linkage. Adjust, repair, replace. ---
Brakes dragging. Adjust brakes for full
release. 108,
109
Faulty pump or motor. Repair or replace pump
or motor. *
Air in system. Check lines for leakage. *
Hydraulic oil filter leaks
at seal. Not properly tightened.
Damaged seal or
threads. Tighten filter element.
Replace filter or filter
head. ---
90
Steering and Ground Speed Controls
Machine will not steer
straight.
Linkage worn or loose. Replace worn parts,
adjust linkage. *
Machine moves on flat
ground with controls in
neutral. Neutral lock
misadjusted. See note
below. Adjust neutral lock. 98
Parking brake out of
adjustment. Adjust brakes. 108,
109
Insufficient road speed. Speed-range control in
Field Position (Turbo). Move to Road Position. 22
NOTE: A more complete Troubleshooting guide is given for the Neutral Lock & Steering on page 101.
* See your Windrower dealer.