MacDon M105 Operator's Manual page 336

Symptom Problem
Low battery output
Loose or corroded battery
connections
Controls not in NEUTRAL
Starter cranks
slowly or will not
Relay not functioning
operate
Main fuse defective/blown
Key power fuse blown
Key switch worn or terminals
loose
Switch at Interlock not closed
or defective
Crankcase oil too high
viscosity
Air filters require
Aspirator plugged
frequent cleaning
169890
TROUBLESHOOTING
Solution
Check battery charge.
Clean and tighten loose connections.
Move GSL to NEUTRAL.
Move steering wheel to CENTER
position.
Disengage header.
Check relay and wire connections.
Replace main fuse.
Replace.
Contact Dealer.
Adjust switch or replace. Contact your
Dealer.
Use recommended oil.
Clean out aspirator.
322
Section
Maintaining
Batteries, page
260
4.3.6 Windrower
Operation, page
94
Driving in Reverse,
page 98
Engaging and
Disengaging the
Header, page 124
5.7.8 Electrical
System, page 259
Contact Dealer.
Lubricants, Fluids,
and System
Capacities, page
199
Air Intake System,
page 230
Revision A