MacDon M100 SP Operators Manual - Manual (Page 178)

TROUBLESHOOTING
* See your MacDon dealer
** Refer to Windrower Technical Manual
169304
176
Rev. C
SYMPTOM PROBLEM SOLUTION SECTION
One Wheel Does Not Pull In
Forward Or Reverse
(Continued).
High pressure relief valve stuck
open, damaged seat. Check valve and clean or
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.
Faulty relief valve. Repair or replace valve. 7.11.6.2
Excessive Noise From Drive
System.
Hydraulic line clamps loose. Tighten clamps. ---
Mechanical interference in steering
or ground speed linkage. Adjust, repair, replace. 7.7.3 &
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. *
Air in system. Check lines for leakage. ---
Hydraulic Oil Filter Leaks At
Seal.
Not properly tightened. Tighten filter element. 7.11.4
Damaged seal or threads. Replace filter or filter head. 7.11.4
58.6 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.
7.7.4.2
7.7.4.1
Machine Moves On Flat Ground
With Controls In Neutral.
Neutral interlock misadjusted.
Contact MacDon dealer. *
Parking brake not functioning.
Insufficient Road Speed. Speed-range control in field
position. Move to road position. 6.3.8.1
Steering Wheel Will Not Lock
With GSL In N-DETENT.
Transmission interlock misadjusted.
Contact MacDon dealer. *