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TROUBLESHOOTING
CHART
PROBLEM:
The engine will not start.
1.
Follow the steps, "How To Start The Engine" in this book.
2.
Electric-Start
Models: Clean the battery terminals. Tighten the
cables.
3.
Drain the fuel tank. Clean the fuel line. Replace the fuel filter.
4.
Remove the spark plug(s). Move the throttle to the SLOW posi-
tion. Turn the ignition key to the ON position. Try to start the en-
gine several times. Install the spark plug.
5.
Replace the spark plug.
6.
Adjust the carburetor.
PROBLEM:
The engine will not turn over.
1.
Follow the steps, "How To Start The Engine" in this book.
2.
Electric-Start
Models: Check the level of the acid in the battery.
If needed, add water. Charge the battery.
3.
Replace the fuse.
4.
Check the wiring harness for damage or a loose connection.
Repair the damaged wire.
5.
Electric-Start
Models: replace the solenoid. Recoil-Start Mod-
els: replace the module.
PROBLEM:
The engine
is difficult
to start.
1.
Adjust the carburetor.
2.
Replace the spark plug.
3.
Replace the fuel filter.
PROBLEM: The engine does not run smooth or has a
loss of power.
1.
Check the oil.
2.
Clean the air filter.
3.
Clean the air screen.
4.
Replace the spark plug.
5.
The engine is working too hard. Use a lower gear.
6.
Adjust the carburetor.
7.
Replace the fuel filter.
PROBLEM:
The engine does not run smooth at fast
speed.
1.
Replace the spark plug.
2.
Adjust the throttle control.
3.
Clean the air filter.
4.
Replace the fuel filter.
PROBLEM:
The engine stops when the blades
are
engaged.
1.
Check the wiring harness for damage or a loose connection.
Repair the damaged wire.
2.
Transmission is in reverse. Before operating in reverse, move
the blade rotation control to the DISENGAGED position.
PROBLEM: On slopes, the engine stops.
1.
Mow up and down slopes. Never mow across a slope.
PROBLEM:
The engine will not idle.
1.
Replace the spark plug.
2.
Clean the air filter.
3.
Adjust the carburetor.
4.
Adjust the throttle control.
5.
Drain the fuel tank. Clean the fuel line. Replace the fuel filter.
PROBLEM:
A hot engine
causes
a decrease
in power.
1.
Clean the air screen.
2.
Check the oil.
3.
Adjust the carburetor.
4.
Replace the fuel filter.
400150
36
PROBLEM:
Excessive
vibration.
1.
Replace the blade.
2.
Check for loose engine bolts.
3.
Decrease the air pressure in the tires.
4.
Adjust the carburetor.
5.
Check for a damaged belt or damaged
pulley. Replace the
damaged parts.
PROBLEM: The grass does not discharge correctly.
1.
Stop the engine. Clean the mower housing.
2.
Raise the height of cut.
3.
Replace or sharpen the blade(s).
4.
Move the shift lever to a slower speed.
5.
Move the throttle control to the FAST position.
6.
Replace the spring for the blade idler.
PROBLEM:
The mower
housing
does not cut level.
1.
Check the air pressure in the tires.
2.
Adjust the level of the mower housing.
3.
Check the front axle. If the front axle does not freely pivot, loos-
en the axle bolt(s).
PROBLEM:
The mower blades
will not rotate.
1.
Check the mower drive belt. Make sure the belt is installed cor-
rectly.
2.
Replace the mower drive belt.
PROBLEM:
The unit will not move
when
the clutch
is
engaged.
1.
Check the motion drive belt. Make sure the belt is installed
correctly.
2.
Adjust the clutch.
3.
Replace the motion drive belt.
PROBLEM: The unit moves slower or stops when the
clutch is engaged.
1.
Adjust the clutch.
2.
Replace the motion drive belt.
PROBLEM:
When the clutch/brake
pedal is released,
belt
noise can be heard.
1.
Temporary belt noise does not change the operation of the unit.
If belt noise is continuous, check the routing of the belt. Make
sure the belt is inside all belt guides.
2.
If the noise is continuous, adjust the clutch.
PROBLEM:
The rear wheels
spin over uneven
terrain.
1.
Check the front axle. If the front axle does not freely pivot, loos-
en the axle bolt(s).
PROBLEM: The engine stops when the operator leaves
the seat.
1.
This is normal. The operator presence system is designed to
allow operation only if the operator is in the seat.
PROBLEM:
The
engine
stops
when
selecting
reverse
travel.
1.
Before selecting reverse travel, move the blade rotation control
to the DISENGAGE position. See the Operation section for de-
tails.
PROBLEM:
The transaxle
is difficult
to shift
between
gears with the engine running and the clutch
depressed.
1.
Check the clutch adjustment to make sure the belt stops when
the clutch pedal is depressed with the transaxle in (N) neutral.
2.
Check the belt guides around the transaxte drive pulley. Make
sure the belt guides do not touch the pulley.
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