Multiquip MQ41TDH manual Engine Troubleshooting

MQ41TDH — TROUBLESHOOTING (ENGINE)

TABLE 5 ENGINE TROUBLESHOOTING (CONTINUED)

SYMPTON	POSSIBLE PROBLEM	SOLUTION
	Fuel tank empty?	Replace fuel filter.
	Fuel filter clogged?	Replace fuel filter.
	Fuel tank venting is inadequate?	Ensure that tank is adequately vented.
Low engine power, output and
	Leaks at pipe unions?	Check threaded pipe unions tape and tighten
speed.
		unions a required.
	Speed control lever does not remain in selected	See engine manual for corrective action.
	position?
	Engine oil level too full?	Correct engine oil level?
	Air filter blocked?	Clean or replace air filter.
Low engine power output and
	Incorrect valve clearances?	Adjust valves per engine specification.
low speed, black exhaust smoke.
	Malfunction at injector?	See engine manual.
	Too much oil in engine crankcase?	Drain off engine oil down to uppermark on
		dipstick.
Air-cooled diesel engine runs
very "HOT". Cylinder head	Entire cooling air system contaminated blocked?	Clean cooling air system, remove shrouds and
overheat, telltale lamp comes on		cooling fin areas.
(option)
	Inadequate sealing at air guide plates or capsule	Check that air guide plates and enclosure
	elements?	elements are all present and make a tight seal.

PAGE 26 —MQ41TDH TRASH PUMP — PARTS & OPERATION MANUAL — REV. #3 (04/02/07)