Troy-Bilt 77T Fuel tank empty or stale fuel, Choke not activated, Equipped or place the throttle

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Trouble

Shooting

For repairs beyond the minor adjust- ments listed here, contact an authorized service dealer.

Problem		Cause		Remedy
Engine fails to start	1.	PTO engaged.	1.	Place PTO knob (or lever) in
				disengaged (OFF) position.
	2.	Spark plug wire(s) disconnected.	2.	Connect wire(s) to spark plug(s).
			3.	Fill tank with clean, fresh gasoline.
	3.	Fuel tank empty or stale fuel.
			4.	Pull out the CHOKE control (if so
	4.	Choke not activated.
				equipped) or place the throttle
				control in CHOKE position.
	5.	Faulty spark plug.	5.	Clean, adjust gap, or replace.
	6.	Blocked fuel line.	6.	Clean fuel line or replace fuel filter,
	7.	Engine flooded.		if so equipped.
			7.	Crank engine with throttle in FAST
				position.
	8.	Parking brake not engaged.	8.	Engage parking brake.
	9.	Throttle control lever not in correct	9.	Place throttle lever to FAST
				position.
		starting position.
Engine runs erratic	1.	Unit running with CHOKE applied.	1.	Push CHOKE control (if so
				equipped) in, or move the throttle
	2.	Spark plug wire(s) loose.		control out of the CHOKE position.
			2.	Connect and tighten spark
				plug wire(s).
	3.	Blocked fuel line or stale fuel.	3.	Clean fuel line; fill tank with clean,
				fresh (less than 30 days old)
				gasoline. Replace fuel filter, if so
				equipped.
	4.	Vent in gas cap plugged.	4.	Clear vent or replace if damaged.
	5.	Water or dirt in fuel system.	5.	Drain fuel tank. Refill with
				fresh fuel.
	6.	Dirty air cleaner.	6.	Replace air cleaner cartridge/ele-
				ment or clean pre-cleaner, if so
				equipped.

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