Buhler 435, 485, 535 manual 197

5-

Section 5 - Troubleshooting Engine

Engine

Problem	Possible Cause	Correction
Engine will turn over but	Incorrect starting procedure.	Review starting procedures.
will not start, or starts	Low or no fuel.	Check fuel level.
hard
		Bleed fuel system.
	Air in fuel lines.
	Incorrect engine oil viscosity.	Use correct viscosity oil.
	Incorrect fuel for operating	Use correct type fuel for
	temperature.	temperature conditions.
	Contaminated fuel system.	Clean system/replace filter element.
	Clogged fuel filter.	Replace filter element.
	Malfunctioning fuel injector(s).	Contact Buhler Versatile dealer.
	Malfunctioning fuel solenoid.	Contact Buhler Versatile dealer.
	Clogged air filter.	Clean or replace air filter.
Engine runs rough and/	Clogged fuel filter.	Replace filter.
or stalls	Clogged air filter.	Clean or replace air filter.
	Engine cylinder temperature too	Refer to “Cold-Weather Starting”
	low for clean fuel burn.	(Section 3).
	Contaminated fuel system.	Clean system replace filter element.
	Malfunctioning fuel injector(s).	Contact Buhler Versatile dealer.
Engine does not appear	Engine overloaded.	Shift to lower gear or reduce load.
to develop full power	Air cleaner restricted.	Service air cleaner.
	Clogged fuel filter.	Replace filter.
	Incorrect type of fuel.	Use correct fuel.
	Engine overheated.	See “Engine Overheats” (later
		in this chart).
	Low engine operating temperature.	Contact Buhler Versatile dealer.
	Implement incorrectly adjusted.	See implement operator’s manual.
	Malfunctioning fuel injector(s).	Contact Buhler Versatile dealer.
	High idle speed is low.	Contact Buhler Versatile dealer.
	Engine Power Derate	Refer to EICS operation (Section 3).
		Contact Buhler Versatile dealer.
	Cruise control set too low	Disengage cruise control or reset to
		higher speed.

435/485/535