Troubleshooting Points

Will not start	1	Out of fuel.	1	Fill fuel tank.
	2	Fuel valve “OFF”	2	Turn fuel valve to the “ON” position.
	3	Engine Switch “OFF”	3	Turn engine switch to the “ON” position.
	4	Engine not “CHOKED” properly.	4	See “TO START ENGINE” in Operation section.
	5	Engine flooded.	5	Wait several minutes before attempting to start.
	6	Bad spark plug or improper gap.	6	Replace spark plug or adjust gap.
	7	Dirty air filter.	7	Clean/replace air filter.
	8	Water in fuel.	8	Empty fuel tank and carburetor, refill tank with fresh gasoline.

Hard to start	1	Throttle control not set properly.	1	See “To Start Engine” in Operations section.
	2	Dirty air filter.	2	Clean/replace air filter.
	3	Bad spark plug or improper gap.	3	Replace spark plug or adjust gap.
	4	Stale or dirty fuel.	4	Empty fuel tank and refill tank with fresh, clean gasoline.
	5	Loose spark plug wire.	5	Make sure spark plug wire is seated properly.

Loss of power	1	Engine is overloaded	1	Set depth stake and wheels for shallower tilling.
	2	Dirty air cleaner	2	Clean/replace air filter.
	3	Low oil level/dirty oil.	3	Check oil level/change oil.
	4	Faulty spark plug.	4	Clean and regap or change spark plug.
	5	Oil in fuel	5	Empty and clean fuel tank and refill, and clean carburetor.
	6	Stale or dirty fuel.	6	Empty fuel tank and refill tank with fresh, clean gasoline.
	7	Water in fuel.	7	Empty fuel tank and carburetor, refill tank with fresh gasoline.
	8	Clogged fuel tank.	8	Remove fuel tank and clean.
	9	Spark plug wire loose.	9	Connect and tighten spark plug wire.
	10	Dirty engine air screen.	10	Clean engine air screen.
	11	Dirty/clogged muffler.	11	Clean/replace muffler.
	12	Poor Compression	12	Contact a Sears or other qualified service center.

Engine overheats	1	Low oil level/dirty oil.	1	Check oil level/change oil.
	2	Dirty engine air screen.	2	Clean engine air screen.
	3	Dirty engine.	3	Clean cylinder fins, airscreen, muffler area
	4	Partially plugged muffler	4	Remove and clean muffler.

Excessive bounce/	1	Ground too dry and hard.	1	Moisten ground or wait for more favorable soil conditions
difficult handling	2	Wheels and depth stake incorrectly adjusted.	2	Adjust wheels and depth stake.

Soil balls up or clumps	1	Ground too wet.	1	Wait for more favorable conditions.

Engine runs but tiller	1	Tine control is not engaged.	1	Engage tine control
won’t move	2	V-belt not correctly adjusted.	2	Inspect/adjust V-belt.
	3	V-belt is off pulley (s).	3	Inspect V-belt.

Engine runs but labors	1	Tilling too deep.	1	Set depth stake for shallower tilling
when tilling	2	Throttle control not properly adjusted.	2	Check throttle control setting.