TROUBLESHOOTING
* See your MacDon dealer
** Refer to Windrower Technical Manual
Form 169469/169470/169471 204 Revision A
SYMPTOM PROBLEM SOLUTION SECTION
Charge pressure relief valve
misadjusted or damaged.
Check the valve adjustment.
Check valve parts and seat.
Contact MacDon dealer.
One Wheel Does Not Pull In
Forward or Reverse.
One final drive disengaged.
Pump arm or shaft are broken.
Contact MacDon dealer.
Steering controls worn or defective.
Check GSL and steering for
loose, worn or damaged ball
joints and connecting rods.
7.7.3 &
7.7.4
Damaged hydraulic lines preventing
proper oil flow.
Contact MacDon dealer.
Brakes binding or not releasing fully.
Check pressure (min. 200 psi on
brake release valve.
**
Speed-range control not working.
Contact MacDon dealer.
*
High pressure relief valve stuck
open, damaged seat.
replace.
Failed pump, motor or power hub.
Contact MacDon dealer.
With Steering Wheel Centered,
One Wheel Pulls More Than The
Other.
Leakage at pump or motor.
Contact MacDon dealer.
*
Wheels not in same speed range.
Excessive Noise From Drive
System.
Hydraulic line clamps loose.
Mechanical interference in steering
or ground speed linkage.
Adjust, repair, replace.
7.7.4
Brakes binding or not releasing fully.
Check pressure (min. 200 psi on
brake release valve.
**
Faulty pump or motor.
Contact MacDon dealer.
Hydraulic Oil Filter Leaks At
Seal.
Replace filter or filter head.
8.6 STEERING AND GROUND SPEED CONTROL
SYMPTOM PROBLEM SOLUTION SECTION
Machine Will Not Steer Straight.
Linkage worn or loose.
Adjust steering chain tension.
Replace worn parts, adjust
linkage.
7.7.4.1
Machine Moves On Flat Ground
With Controls In Neutral.
Neutral interlock misadjusted.
Contact MacDon dealer.
*
Parking brake not functioning.
Speed-range control in field
position.
Move to road position.
Steering Wheel Will Not Lock
With GSL In N-DETENT.
Transmission interlock misadjusted.
Contact MacDon dealer.
*
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