Section 4 - Troubleshooting; Engine Troubleshooting; Mower Troubleshooting - Snapper SPE1250K, SPE140KW, SPE150KH, SPE361, SPE481 Safety Instructions & Operator's Manual

SECTION 4 - TROUBLESHOOTING

SYMPTOM PROBLEM
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 Throttle Control not at FAST (Rabbit) position. .........................Put Engine Throttle Control to FAST
............................... Choke NOT closed................................................................................Put Throttle Control in CHOKE position.
............................... 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
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.
SYMPTOM
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

ENGINE TROUBLESHOOTING

MOWER TROUBLESHOOTING

PROBLEM
SOLUTION
Check choke adjustment.
fresh Fuel.
SOLUTION
15