MacDon M155 Operators Manual - Manual (Page 404)

TROUBLESHOOTING
Symptom Problem Solution Section
Engine out of time Contact Dealer. Contact Dealer.
Insufficient oil Add oil.
Adding Engine Oil,
page 295
Low or high coolant
temperature
Contact Dealer. Contact Dealer.
Engine knocks
Improper fuel Use proper fuel.
Fuel
Specifications,
page 262
Low oil level Add oil.
Adding Engine Oil,
page 295
Improper type of oil
Drain and fill crankcase with proper
oil.
Lubricants, Fluids,
and System
Capacities, page
263
Low oil pressure
Worn components
Internal parts worn
Contact Dealer. Contact Dealer.
Crankcase oil too light Use recommended oil.
Lubricants, Fluids,
and System
Capacities, page
263
High oil
consumption
Oil leaks
Check for leaks around gaskets,
seals, and drain plugs.
Checking Engine
Oil Level, page
293
Unsteady fuel supply
Change filter on fuel tank vent line.
Replace clogged fuel filter.
Removing and
Installing Fuel
Tank Vent Filter,
page 303
and Fuel
System, page 303
Water or dirt in fuel system Drain, flush, and fill fuel system.
Lubricants, Fluids,
and System
Capacities, page
263
Low coolant temperature Remove and check thermostat.
Air in fuel system
Engine runs
irregularly or stalls
frequently
Dirty or faulty injectors
Contact Dealer.
Contact Dealer.
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Revision A