Briggs & Stratton 7800920-00 manual Troubleshooting, Problem Probable Cause Corrective Action

Troubleshooting

PROBLEM	PROBABLE CAUSE		CORRECTIVE ACTION
Engine Will Not	1. Operator not in seat.		1.	Sit in operator seat.
Start
	2. Ignition is in the OFF position.		2.	Turn ignition switch to the START position.
	3.	Clutch/brake pedal not fully depressed.	3.	Fully depress clutch/brake pedal.
	4.	Mower blade engaged.	4.	Disengage mower blade.
	5.	Fuel tank empty.	5.	Fill fuel tank with fresh fuel to proper level.
	6.	Engine needs choking (if equipped).	6.	Move engine speed control to CHOKE position (if
			equipped).
	7.	Battery is weak or dead.	7.	Charge or replace battery.
	8.	Battery harness/cable(s) disconnected.	8.	Connect battery harness/cable(s).
	9.	Spark plug wire disconnected.	9.	Place spark plug wire onto spark plug.
	10. Blown Fuse.		10. Replace with new 20 AMP fuse.
	11. Electrical problem.		11. Contact authorized dealer.
	12. Engine problem.		12. Contact authorized dealer.
Engine Stalls	1. Operator not seated properly.		1.	Sit properly in operator seat.
After Running
	2. Engine speed control in the “CHOKE” position		2.	Move engine speed control to FAST position.
	(if equipped).
	3.	Fuel tank empty.	3.	Fill fuel tank with fresh fuel to proper level.
	4.	Engine air pre-cleaner and or air cleaner dirty.	4.	Clean free of all debris.
	5.	Spark plug defective or gap set improperly.	5.	Service spark plug.
	6.	Fuel filter restricted.	6.	Replace fuel filter.
	7.	Water, debris or stale fuel in fuel system.	7.	Drain and clean fuel system.
Engine Loses	1. Engine air pre-cleaner or air cleaner dirty.		1.	Clean or replace filters.
Power
	2. Spark plug faulty.		2.	Service spark plug.
	3.	Water, debris or stale fuel in fuel system.	3.	Drain and clean fuel system. Replace filter.
	4.	Debris build up on engine cooling screen.	4.	Clean all debris from engine cooling screen.
Excessive	1. Damaged, out of balance or bent mower		1.	Service mower blade(s).
Vibration	blades.
	2.	Loose blade components.	2.	Service and tighten loose parts.
	3.	Loose or missing air lift (if equipped).	3.	Replace air lifts. Tighten to proper torque.
	4.	Lumpy or frayed belt.	4.	Replace belt. Contact authorized dealer.
	5.	Bent Idler, stationary or spindle pulley.	5.	Replace pulley. Contact authorized dealer.

34 www.snapper.com