MacDon M155 - Page 449

TROUBLESHOOTING
Symptom
Problem
Solution Section
Improper type of fuel
Consult your fuel supplier, and use
proper type fuel for conditions.
8.2.2 Fuel
Specifications,
page 465
Engine overl
oaded
Reduce groun
d speed.
Driving Forwa
rd
in Cab-Forwa
rd
Mode, page 16
8
Clogged or dirty air cleaner Service air cleaner.
Air Intake System,
page 337
Defective muffler
Check muffler for possible damage
that might creat e b ack p re ssure.
Exhaust System,
page 364
Dirty or fa
ulty injectors
Engine out of time
Engine emits blac k
or grey exhaust
Air in fuel system
Contact Dealer. Contact Dealer
Engine o
ut of time
Contact
Dealer.
Contact
Dealer
Improper type of fuel
Consult your fuel supplier, and use
proper type fuel for conditions.
8.2.2 Fuel
Specifications,
page 465
Cool engine
Warm engine up to normal operating
temperat ure.
Engine Warmup,
page 162
Engine
emits white
exhau
st
Defective thermostat
Remove and check thermostat.
Contact Dealer
147649 433 Revision A