Snapper SGV13321KW Engine Troubleshooting, Mower Troubleshooting, Symptom, Problem, Solution

SECTION 4 – TROUBLESHOOTING

4.1 ENGINE TROUBLESHOOTING

SYMPTOM	PROBLEM	SOLUTION
Engine	Key OFF	Turn Key to Run.
does not	Fuel Tank empty	Fill Fuel Tank.
start	Fuel Shut-Off Closed	Open Fuel Shut-Off.
................................	Engine Speed Control not at FAST (Rabbit) position	Move Engine Speed Control to FAST
................................	Engine NOT Choked	Move Engine Speed Control to CHOKE
................................	.............................................................................................................	position.
................................	.............................................................................................................	Check choke adjustment.
................................	Spark Plug Wire loose or disconnected	Connect Spark Plug Wire.
................................	Operator Presence Control (OPC) out of adjustment	Adjust OPC.
................................	Blade Clutch Switch in ON position	Push Blade Clutch Switch to OFF position.
................................	Spark Plug bad	Install new Spark Plug.
................................	Dirty Air Filter	Clean Air Filter.
................................	Transmission not in NEUTRAL	Move Transmission Lever to NEUTRAL (N).
Engine	Dirt or water Fuel Tank	Drain and clean Fuel Tank. Fill with
Starts Hard		fresh Fuel.
or Loses	Vent in Gas Cap plugged	Clean Vent or install new Gas Cap.
Power	Air Filter dirty	Clean or install new Air Filter.
................................	Spark Plug not gapped correctly	Check and set Spark Plug gap.
................................	Spark Plug bad	Install new Spark Plug.
Engine	Spark Plug bad	Install new Spark Plug.
Runs	Spark Plug not gapped correctly	Clean and set Spark Plug gap.
Erratically	Fuel Filter plugged or dirty	Replace Fuel Filter.
Engine	Dirty Air Filter	Clean or replace Filter.
Idles Poorly	Fuel Filter plugged	Replace Fuel Filter.
Engine	Engine Oil low in Crankcase	Add Oil.
Overheats	Engine Cooling Fins clogged	Clean Engine Cooling Fins.
Machine	Blade Mounting Bolts loose	Tighten Blade Mounting Bolts.
Vibrates	Blade out of Balance	Sharpen and balance Blade.
Excessive	Engine Mounting Bolts loose	Tighten Mounting Bolts.
................................	Damaged or Severed Belt	Replace Belt.
Engine	Mowing grass too tall	Adjust cutting height.
Dies	Mowing too fast	Reduce travel speed.

4.2 MOWER TROUBLESHOOTING

SYMPTOM	PROBLEM	SOLUTION
Mower does	Transmission in neutral	Select Gear.
not move	Traction Belt(s) slipping	Adjust or replace Traction Idler Spring(s).
when Traction	..........................................................................................................	Adjust Upper Traction Rod(s).
Levers released	..........................................................................................................	Replace Traction Belt(s).
...................................	Transmission Belt slipping	Adjust Transmission Idler.
...................................	..........................................................................................................	Replace Transmission Belt.
...................................	Transmission Belt Damaged or Broken	Replace Transmission Belt.
Mower does	Slipping or broken Traction Belt	Adjust or replace Traction Belt.
not track	Tire pressure in both Drive Wheels	Adjust air pressure.
straight	not the same.
Mower veers	Wheel Brake(s) not engaging properly	Adjust Lower Traction Rod(s).
when	Traction Belt(s) not declutching	Adjust Upper Traction Rod(s).
stopping.
Mower does	Wheel Brake(s) not engaging properly	Adjust Lower Traction Rod(s).
not stop when	Traction Belt(s) not declutching	Adjust Upper Traction Rod(s).
Traction Levers are
squeezed.

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