SECTION 4 - TROUBLESHOOTING

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.

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Engine Throttle Control not at FAST (Rabbit) position

Put Engine Throttle Control to FAST

................................

Choke NOT closed

Put Throttle Control in CHOKE position.

 

 

Check choke adjustment.

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Spark Plug Wire loose or disconnected

Connect Spark Plug Wire.

................................

Operator Presence Control (OPC) Switch out of adjustment

Adjust Switch.

................................

Blade Clutch Switch in ON position

Pull Blade Clutch Lever to OFF position.

................................

Spark Plug bad

Install new Spark Plug.

................................

Dirty Air Filter

Clean Air Filter.

................................

Transmission not in NEUTRAL

Shift Transmission Lever to NEUTRAL.

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.

MOWER TROUBLESHOOTING

SYMPTOM

PROBLEM

SOLUTION

Mower does

Transmission in neutral

Select Gear.

not move

Traction Control Rod adjustment

Adjust Rod.

when Traction

Engine to Transmission Belt Damaged or Broken

Replace Belt.

Levers released

Idler Spring Damage or Broken

Replace Spring.

Mower does

Slipping or broken Traction Belt

Adjust or replace Belt.

not track

Tire pressure in both Traction Wheels

Adjust air pressure.

straight

not the same.

 

Blades DO

Belt slipping or broken

Replace or adjust Belt.

NOT engage

Clutch does not engage

Check Electrical Connections & Clutch

Mower

Travel speed too fast

Reduce ground speed.

mows

Operator making mower turn corner too fast

Reduce ground speed.

unevenly

Rough terrain

Change mowing pattern.

...................................

Unequal number of Blade Spacers on

 

.......................................

Cutter Shafts or Caster Wheels

Install equal number of Spacers.

...................................

Low Or No Air Pressure in Tires

Fill Tires with Correct Air Pressure.

...................................

Dull Blades

Sharpen Blades or Install new Blades.

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Snapper SPE131KW, SPE361, SPE481 important safety instructions Troubleshooting, Symptom Problem Solution