Stow manual STR36SP-SERIES -TROUBLESHOOTING Engine

STR36SP-SERIES —TROUBLESHOOTING (ENGINE)

TABLE 5. ENGINE TROUBLESHOOTING

SYMPTOM	POSSIBLE PROBLEM	SOLUTION
	Fuel tank is empty.	Fill fuel tank.
	Shut-off valve is closed.	Open fuel shut-off valve.
	Fuel line has suction leak or	Check fuel line condition and fuel line clamps.
	is restricted. Fuel filter, or fuel	Ensure that fuel line is not kinked. Check fuel filter
	tank cap vent is obstructed.	for restriction and replace if necessary. Check fuel
		cap vent and clean or replace as necessary.
	Fuel supply is contaminated.	Drain and clean fuel tank, clean tank and refill with
Engine Cranks But		fuel.
Will Not Start	If carbureted, carburetor is	Apply recommended amount of choke for cold and
	underchoked or overchoked.	warm weather.
	Spark plug is fouled,	Check spark plug for fouling, check gap, and
	improperly gapped, or	inspect for damage. Clean or replace spark plug
	damaged. Spark plug leads	as necessary. Reattach spark plug leads if
	disconnected.	disconnected.
	Safety stop switch	Ensure that the Safety Stop Switch is functioning
	malfuntion.	when the operator is seated; replace switch if
		necessary.
	Fuel tank is empty.	Fill fuel tank.
	Shut-off valve is closed.	Open fuel shut-off valve.
Engine Starts But	Fuel line has suction leak or	Check fuel line condition and fuel line clamps.
Will Not Continue	is restricted. Fuel filter is	Ensure that fuel line is not kinked. Check fuel filter
	obstructed, or fuel tank cap	for restriction and replace if necessary. Check fuel
Running
	vent is blocked.	cap vent and clean or replace as necessary.
	If engine is carbureted,	Apply recommended amount of choke for cold and
	carburetor is underchoked or	warm weather.
	over choked.
	Faulty ignition switch or	Replace defective switch or starter.
	starter.
	Engine is seized.	Repair or replace engine.

STR36SP- SERIES • RIDE-ON POWER TROWEL — OPERATION AND PARTS MANUAL — REV. #1 (09/16/11) — PAGE 37