Snapper 20 manual Troubleshooting, Probable Cause, Corrective Action

Troubleshooting

PROBLEM			PROBABLE CAUSE							CORRECTIVE ACTION
Engine Will Not Start Using	1. Fuel tank empty.							1.	Fill fuel tank with fresh fuel.
Recoil Starter	2.	Spark plug wire disconnected.						2.	Place spark plug wire onto spark plug.
Engine Stalls or Stops After	1. Blade control is released or is not being held							1.	Blade control should be held securely against handle
Running	securely against handle.							at all times during operation of mower.
	2.	Fuel tank empty.						2.	Fill with fuel to proper level.
	3.	Engine air pre-cleaner and or air cleaner dirty.						3.	Clean free of all debris.
	4.	Spark plug defective or gap set improperly.						4.	Service spark plug.
	5.	Water, debris or stale fuel in fuel system.						5.	Drain and clean fuel system.
Engine Loses Power	1. Engine air pre-cleaner or air cleaner dirty.							1.	Clean or replace filters.
	2.	Spark plug faulty.						2.	Service spark plug.
	3.	Water, debris or stale fuel in fuel system.						3.	Drain and clean fuel system.
Excessive Vibration	1. Damaged, out of balance or bent mower blade.							1.	Service mower blade.
	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.
Mower Will Not Move Loss			Reproduction
	1. Build-up of debris on or around wheel d ive							1.	Clean debris.
Of Traction	components.
	2.	Driven disc slipping.						2.	Clean	r replace driven disc.
	3.	Drive belt requires replacement.						3.	Replace dr ve belt.
	4.		Not					4.	Con a	authorized dealer.
		Damaged transmission.
Cutting Grass Improperly	1. Cutting height			l	w	r high.		1.	Adjust cutting height.
	2.	Engine speed too sl			w.			2.	Move engine speed control to ‘Fast’ position.
	3.	Forward ground speed t				fast.		3.	Move ground speed control to a slower speed.
	4.	Terraced cut, side to side.						4.	Adjust height of cut with height adjust levers.
	5.	Excessive deck pitch, front to					ear.	5.	Adjust height of cut with height adjust levers.
	6.	Cutting blade dull or damaged.						6.	Sharpen cutting edges or replace blade.
Poor Grass Discharge	1. Engine speed too fast.							1.	Move engine speed control to ‘Fast’ position.
	2.	Forward speed too fast.						2.	Move ground speed control to a slower speed.
	3.	Grass is wet.						3.	Mow when grass is dry.
	4.	Excessively worn or damag					blade.	4.	Service mower blade.
	5.	Build up of grass clippings and debris under deck.						5.	Clean deck.
	6.	Improper blade installed on deck.						6.	Install proper blade.
	7.	Blade installed improperly on deck.						7.	Install blade properly.
Oil Leaking	1. Leaking engine case.							1.	Contact authorized dealer.
								2.	Check and tighten drain plug.
								3.	Make sure dip stick or oil filler cap is securely in
								place.

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