TROUBLESHOOTING
* See Your MacDon Dealer
** Refer to Windrower Technical Manual
Form 169552 / 169554 / 169555
186
Revision A
SYMPTOM
PROBLEM
SOLUTION
SECTION
High Fuel
Consumption.
Improper type of fuel.
Use proper fuel.
7.3.2.1
Clogged or dirty air cleaner.
Service air filter/cleaner.
7.8.5.1
Engine overloaded.
Reduce ground speed.
6.3.6
Low engine temperature.
Check thermostat.
**
Improper valve clearance.
Reset valves.
*
Engine out of time.
Contact your Dealer.
Injection nozzles dirty.
Engine Emits
Black or Grey
Exhaust.
Improper type of fuel.
Consult your fuel supplier, and use proper
type fuel for conditions.
7.3.2.1
Engine overloaded.
Reduce ground speed.
6.3.6
Clogged or dirty air cleaner.
Service air filter/cleaner.
7.8.5.1
Defective muffler.
Check muffler for possible damage that
might create back pressure.
7.8.9
Dirty or faulty injectors.
Contact your Dealer.
*
Engine out of time.
Air in fuel system.
Engine Emits
White Exhaust.
Engine out of time.
Improper type of fuel.
Consult your fuel supplier, and use proper
type fuel for conditions.
7.3.2.1
Cool engine.
Warm engine up to normal operating
temperature.
6.3.5.1
Defective thermostat.
Remove and check thermostat.
**
Starter Cranks
Slowly or Will Not
Operate.
Low battery output.
Check battery charge.
7.10.1.1
Controls not in NEUTRAL.
Move GSL to NEUTRAL.
6.3.6
Move steering wheel to CENTER position.
6.3.5.1
Disengage header.
5.17.1
Loose or corroded battery connections.
Clean and tighten loose connections.
7.10.1.1
Crankcase oil too high viscosity.
Use recommended oil.
7.3.2.3
Relay not functioning.
Check relay and wire connections.
7.10.12
Main fuse defective/blown.
Replace main fuse.
Key power fuse blown.
Replace.
Key switch worn or terminals loose.
Contact your Dealer.
*
Switch at interlock not closed or defective. Adjust switch or replace.
Air Filters Require
Frequent
Cleaning.
Vacuator plugged.
Clean out vacuator.
7.8.5.1
Pre-cleaner rotor not turning freely.
Repair / replace.
7.9.1