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Sears Craftsman 536.270300 Manual Del Usario página 36

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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.
Recoi!-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.
F-050607L
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 transaxle drive pulley. Make
sure the belt guides do not touch the pulley.

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