Stow STR46SP manual Engine Lacks, Power, Engine Overheats, Engine Will Not, Crank

STR46SP —TROUBLESHOOTING (ENGINE)

TABLE 5 CONT.. ENGINE TROUBLESHOOTING

SYMPTOM	POSSIBLE PROBLEM	SOLUTION
	Air filter is obstructed.	Replace air filter.
	Altitude causes 3% loss of	If available, install high altitude jets in carburetor.
	horsepower per 1000 feet of
	altitude.
	Choke is partially closed.	Open choke.
	Faulty spark plugs or spark	Replace spark plugs or spark plug leads if faulty.
	plug leads. Spark plug lead	Reattach spark plug lead if disconnected.
Engine Lacks	disconnected.
Power	Fuel is contaminated.	Drain and clean fuel tank. Refill with clean fuel.
	There is a lack of lubrication.	Check engine oil.
	Engine is overheated	Allow engine to cool. Find and repair cause of
		overheating.
	Exhaust is restricted.	Remove or repair restriction.
	Ignition timing incorrect.	Set engine ignition timing to manufacturer's
		specification.
	Ignition timing incorrect.	Set engine ignition timing to manufacturer's
		specification.
	Fuel mixture is too lean.	Look for intake system leak. Repair any leaks
		found.
Engine Overheats	Exhaust is restricted.	Remove or repair restriction.
	Fan shroud or fan is broken	Replace fan shroud.
	or missing.
	Coolant level is low.	Fill radiator when cool. Add coolant to fill line on
		reservoir.
	Low or Hi crankcase oil level	Check engine oil. Fill if low, drain if overfilled.
	Battery is discharged or	Charge and test battery. Replace if defective.
	defective.
Engine Will Not	Loose or faulty wires or	Inspect wiring, repair any bad connections or
	connections.	wires.
Crank
	Faulty ignition switch or	Replace defective switch or starter.
	starter.
	Engine is seized.	Repair or replace engine.

STR46SP • RIDE-ON POWER TROWEL — OPERATION MANUAL — REV. #1 (08/01/06) — PAGE 40