TROUBLESHOOTING
* See Your MacDon Dealer
** Refer to Windrower Technical Manual
Form 169552 / 169554 / 169555
188
Revision A
8.4 HEADER DRIVE
SYMPTOM
PROBLEM
SOLUTION
SECTION
Header Drive Not Engaging.
HEADER DRIVE switch in cab not
engaged.
Engage switch.
5.17.1
Operator Presence Switch not closed
or faulty.
Occupy Operator’s seat or
replace switch.
*
Appropriate solenoid not being
energized by activating switch.
Contact your Dealer.
Header Drive Lacks Power.
Relief valve setting too low.
Header drive overload.
Reduce ground speed.
6.3.6.2
Warning Alarm Sounds.
Relief valve setting too low.
Contact your Dealer.
*
8.5 TRACTION DRIVE
SYMPTOM
PROBLEM
SOLUTION
SECTION
Warning Alarm Sounds and
Hydraulic Oil Light Is ON.
Low hydraulic oil level.
Stop engine, and add oil to
hydraulic system.
7.11.1
Low hydraulic pressure.
Contact your Dealer.
*
Foreign material shorting sender.
Short in alarm wiring.
Faulty sender.
Wheels Lack Pulling Ability On
A Grade or Pulling Out Of A
Ditch.
Internal pump or motor damage.
Insufficient torque at drive wheels.
Move ground speed-range control
to 1 - field position, and reduce
ground speed.
6.3.6.2
Loose or worn controls.
Check controls.
7.7.3
Air in system.
Use proper oil.
7.3.2.3
Check oil level and leaks.
7.11.1
Check hydraulic oil filters.
7.11.4
Brakes binding or not releasing fully.
Check pressure (min. 200 psi
(1379 kPa)) on brake release
valve.
**
Relief valve in tandem pump dirty or
damaged.
Replace relief valve.
Both Wheels Will Not Pull In
Forward or Reverse.
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.
Low oil level.
Check oil reservoir level.
7.11.1
Power hubs (final drives) disengaged. Engage power hubs (final drives).
6.3.9.1
Damaged hydraulic lines preventing
proper oil flow.
Replace damaged lines.
*
Speed-range control not working.
Contact your 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
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