Snapper NZMJ23521KH, NZMJ25611KH Problem Probable Cause, Corrective Action

TROUBLESHOOTING

PROBLEM		PROBABLE CAUSE
Starter Will Not Crank	1. Battery dead.
Engine	2. Blown fuse.
	3.	Electrical connections loose or corroded.
	4.	Defective ignition switch.
Engine Will Not Start	1. Blade engagement switch in the “ON” position.
	2.	Park brake not engaged.
	3.	Stale or contaminated fuel.
	4.	Fuel tank empty.
	5.	Engine needs choking.
	6.	Spark plug wire disconnected.
	7.	Battery weak or dead.
	8.	Faulty parking brake, blade or ignition switch.
Engine Stalls After	1. Operator not in seat.
Running	2. Choke control in the “CHOKE” position.

3.Fuel tank empty.

4.Engine air pre-cleaner and or air cleaner dirty.

5.Spark plug defective or gap set improperly.

6.Fuel filter stopped up.

7.Water, debris or stale fuel in fuel system.

Engine Loses Power 1. Excessive load on engine.

	2.	Engine air pre-cleaner or air cleaner dirty.
	3.	Engine oil level low.
	4. Engine cooling fins & air intake screen excessively dirty.
	5.	Spark plug faulty.
	6.	Water, debris or stale fuel in fuel system.
Engine Backfires When	1. Throttle control set too “FAST”.
Turned To “STOP”
Excessive Vibration	1. Damaged or bent mower blades.
	2.	Loose blade components.
	3.	Worn or damaged components.
	4.	Loose or missing air lift (if equipped).

CORRECTIVE ACTION

1.Service battery.

2.Replace fuse.

3.Clean and check connections for good contact.

4.Contact authorized SNAPPER dealer.

1.Move blade engagement switch to “OFF”.

2.Engage park brake.

3.Clean system and fill with fresh clean fuel.

4.Fill fuel tank with fresh fuel.

5.Move choke control to “CHOKE” position.

6.Place spark plug wire onto spark plug.

7.Service battery.

8.Contact authorized SNAPPER dealer.

1.Sit in operator’s seat.

2.Move choke control to “OFF” position.

3.Fill with fuel to proper level.

4.Clean free of all debris.

5.Service spark plug.

6.Replace fuel filter.

7.Drain and clean fuel system.

1.Lessen load.

2.Clean or replace filters.

3.Fill with engine oil to proper level.

4.Clean cooling fins, air intake screen of all debris.

5.Service spark plug.

6.Drain and clean fuel system.

1.Set throttle control to “SLOW” and allow engine to idle. Then, turn key to “OFF”.

1.Service mower blade(s).

2.Service and tighten loose parts.

3.Inspect all belts and pulleys.

4.Replace air lifts. Tighten to proper torque.

(Trouble Shooting Continued on Next Page)

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