Briggs & Stratton NSPVH21675 specifications Troubleshooting, Probable Cause, Corrective Action

Troubleshooting

	PROBLEM		PROBABLE CAUSE		CORRECTIVE ACTION
	Engine Will Not Start	1.	Fuel tank empty.	1.	Fill fuel tank with fresh fuel.
	Using Recoil Starter	2.	Engine needs priming.	2.	Prime. Check Engine Manual for Instructions.
		3.	Spark plug wire disconnected.	3.	Place spark plug wire onto spark plug.
	Engine Stalls or Stops	1.	Blade control is released or is not being held	1.	Blade control should be held securely against
	After Running	securely against handle.		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	1.	Build-up of debris on or around wheel drive	1.	Clean debris.
	Loss Of Traction	components.
		2.	Transmission cable adjustment required.	2.	Adjust transmission cable.
		3.	Drive belt requires replacement.	3.	Replace drive belt.
		4.	Damaged transmission.	4.	Contact authorized SNAPPER dealer.
	Transmission Noise	1.	Transmission cable adjustment required.	1.	Adjust transmission cable.
		2.	Damaged transmission.	2.	Contact authorized SNAPPER dealer.
	Ground Speed	1.	Build-up of debris on or around wheel drive	1.	Clean debris.
	Too Fast / Too Slow;	control components.
	Unable to Adjust	2.	Transmission cable adjustment required.	2.	Adjust transmission cable.
	Ground Speed	3.	Drive belt requires replacement.	3.	Replace drive belt.
		4.	Damaged transmission.	4.	Contact authorized SNAPPER dealer.
	Cutting Grass Improperly 1.		Cutting height too low or high.	1.	Adjust cutting height.
		2.	Forward speed too fast.	2.	Adjust to a slower speed.
		3.	Cutting blade dull or damaged.	3.	Sharpen cutting edges or replace blade.
	Poor Grass Discharge	1.	Forward speed too fast.	1.	Adjust to a slower speed.
		2.	Grass is wet.	2.	Mow when grass is dry.
		3.	Excessively worn or damaged blade.	3.	Service mower blade.
Troubleshooting		4.	Build up of grass clippings and debris under	4.	Clean deck.
		deck.
		5.	Improper blade installed on deck.	5.	Install proper SNAPPER blade.
		6.	Blade installed improperly on deck.	6.	Install blade properly.
	Oil Leaking	1.	Leaking engine case.	1.	Contact authorized SNAPPER dealer.
				2.	Check and tighten drain plug.
				3.	Make sure dip stick or oil filler cap is securely in
				place.

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