TROUBLESHOOTING
* See your MacDon dealer
** Refer to Windrower Technical Manual
Form 169469/169470/169471 205 Revision C
SYMPTOM PROBLEM SOLUTION SECTION
Steering Wheel Will Not Unlock.
Transmission interlock cylinder not
working.
Contact MacDon dealer.
*
Steering Is Too Stiff or Too
Loose.
Steering chain tension is out of
adjustment.
Adjust steering chain tension
8.7 CAB AIR
SYMPTOM PROBLEM SOLUTION SECTION
Run.
Burned out motor.
Contact MacDon dealer.
*
Motor shaft tight or bearings worn.
Faulty wiring - loose or broken.
Blower rotors in contact with housing.
But No Air Coming Into
Cab.
Clean recirculating filter
Air flow passage blocked.
Heater shut-off valve at engine closed.
Defective thermostat in engine water outlet
manifold.
Replace thermostat.
**
Heater temperature control defective.
No thermostat in engine water outlet manifold. Install thermostat.
Louvers.
Plugged drainage hose.
Blow out hose with compressed
air.
---
Dirty filters. Clean filters.
7.7.6.2
Cooling.
Switch contacts in thermostat burned
excessively, or sensing element defective.
Replace thermostat. **
Clutch coil burned out or disconnected.
Contact MacDon dealer.
*
Blower motor disconnected or burned out.
Contact MacDon dealer.
Loose or broken drive belt.
Replace drive belt and/ or tighten
to specs.
7.8.10.2
Compressor partially or completely seized.
Remove compressor for service
or replacement.
**
Dirty filters.
Clean fresh air and re-circulation
filters.
7.7.6.2
Broken or disconnected electrical wire.
Check all terminals for loose
connections; check wiring for
hidden breaks.
---
Broken or disconnected ground wire.
Check ground wire to see if loose,
broken, or disconnected.
(continued next page)