MacDon M1240 - Page 507

215916 487 Revision A
Chapter 7: Troubleshooting
Refer to these topics if you encounter problems while operating the windrower.
7.1 Engine Troubleshooting
Problem Solution
Section
Symptom: Engine won’t crank.
Controls not in NEUTRAL
Move ground speed lever (GSL) to
NEUTRAL.
Starting Engine, page 118
Controls not in NEUTRAL
Move steering wheel to locked
(centered) position.
Starting Engine, page 118
Controls not in NEUTRAL
Disengage HEADER ENGAGE switch. 3.2.1 Header Drive, page 39
Symptom: Engine hard to start or will not start.
NEUTRAL interlock misadjusted
Contact Dealer. Contact Dealer
No fuel to engine
Fill empty fuel tank. Replace clogged
filter.
Filling Fuel Tank, page 114 and 5.11.1
Maintaining Fuel Filters, page 405
Old fuel in tank Drain tank. Refill with fresh fuel.
5.15.2 Draining Fuel Tank, page 441
Water, dirt, or air in fuel system Drain, flush, fill, and prime system. Priming Fuel System, page 407
Improper type of fuel
Use proper fuel for operating
conditions.
5.1.3 Fuel Specifications, page 328
Crankcase oil too heavy
Use recommended oil.
5.1.4 Lubricants, Fluids, and System
Capacities, page 328
Low battery output
Have battery tested. Check battery
electrolyte level.
5.14.1 Batteries, page 427
Poor battery connection Clean and tighten loose connections.
5.14.1 Batteries, page 427
Faulty starter
Contact Dealer.
–
Loose electrical connection at
fuel pump
Ensure connector at pump is fully
pushed in.
–
Wiring shorted, circuit breaker open
Check continuity of wiring and breaker
(manual reset).
Checking and Replacing Fuses, page
463
ECM fuse (1 of 2) blown
Replace.
Checking and Replacing Fuses, page
463
ECM Ignition relay faulty Replace.
Checking and Replacing Fuses, page
463
Faulty injectors
Contact Dealer.
–
Symptom: Engine knocks.
Engine out of time
Contact Dealer.
–
Insufficient oil Add oil.
Adding Engine Oil, page 393
Low or high coolant temperature
Contact Dealer.
–
Improper fuel Use proper fuel.
5.1.3 Fuel Specifications, page 328