MacDon M100 SP Operators Manual - Manual (Page 177)

TROUBLESHOOTING
* See your MacDon dealer
** Refer to Windrower Technical Manual
169304
175
Rev. C
58.5 TRACTION DRIVE
SYMPTOM PROBLEM SOLUTION SECTION
Warning Alarm Sounds And
Transmission Oil Light Is On.
Low hydraulic oil level. Stop engine and add oil to
hydraulic system.
7.12.1
Low hydraulic pressure.
Contact MacDon dealer. *
Foreign material shorting sender.
Short in alarm wiring.
Faulty sender.
Wheels Lack Pulling Ability On A
Grade Or Pulling Out Of A Ditch.
Insufficient torque at drive wheels. Move speed-range control to
field position and reduce ground
speed.
6.3.6
Loose or worn controls. Check controls. 7.8.3
Air in system. Use proper oil. 7.3.3
Check oil level, and leaks. 7.11.1
Check oil filters. 7.11.4
Brakes binding or not releasing fully. Check pressure (min. 200 psi
(1379 kPa)) on brake release
valve.
**
Internal pump or motor damage. Contact MacDon dealer. *
Relief valve in tandem pump dirty or
damaged. Replace relief valve. **
Both Wheels Will Not Pull In
Forward Or Reverse.
Low oil level. Check oil reservoir level. 7.11.1
Power hubs disengaged. Engage power hubs. 6.3.8.4
Damaged hydraulic lines preventing
proper oil flow. Replace damaged lines. *
Steering controls worn or defective. Check GSL and steering for
loose, worn or dam-aged ball
joints and connecting rods.
7.7.3 &
7.7.4
Speed-range control not working. Contact MacDon dealer. *
Pump arms have broken shaft or
loose hardware. Repair or tighten. **
Brakes binding or not releasing fully. Check pressure (min. 200 psi
(1379 kPa)) on brake release
valve.
**
Charge pressure relief valve
misadjusted or damaged. Check the valve adjustment.
Check valve parts and seat.
7.11.6.2
Failed pump or motor. Contact MacDon dealer. *
One Wheel Does Not Pull In
Forward Or Reverse.
One final drive disengaged. Engage final drive. 6.3.8.3
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. *
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