Clutch; Troubleshooting - Craftsman 502.251220 Owner's Manual

TROUBLE SHOOTnNG 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 Tightenthe
cables..
3, Check for a loose wire, Tighten the limit switches,, (See the wir-
ing diagram,)
4 Drain the fuel tank Clean the fuel line Replace the fuel filter,
5,, 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 ptug,
6 Replace the spark plug
7. 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: Checkthe 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,,
! 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.
t, Checkthe oil,,
2. Clean the airfiiter
3 Clean the air screen
4,, Repiace the sparkp{ug,
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 time air filter
4 Replace the fuel filter,
PROBLEM: A hot engine causes a decrease in power,
t., Clean the air screen
2, Check the oil
3, Adjustthe carburetor,
4, Replace the fuel filter
PROBLEM: Excessive vibration,
I. Replacethe blade
2, Check for loose engine boils,
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.
t,, Stop the engine Clean the mower housing
2 Raise the height of cut..
3. Replace or sharpen 1he binders).,
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 id{er.
PROBLEM: The mower housing does not cut level.
t,. 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 bott(s).
PROBLEM: The mower blades will not rotate.
1 Ct_eck the mower drive belt,. Make sure the belt is installed cor-
rectly.,
2. Repface the mower drive belt
PROBLEM: The unit will not move when the clutch is
engaged.
t.. 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,, Adjustthe clutch,
2. Replace the motion drive belt
PROBLEM: The engine stops when the blades are
engaged.
I. Toactivate the seat sensor, alwayssit in the middte ofthe seat
2 Check the wiring harness for damage or a loose connection.,
Repair the damaged wire
PROBLEM: On slopes, the engine stops,
1., Mow up and down slopes, Never mow across a slope,
2 To activate the seat sensor, always sit in the middle of the seal
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 fue! filter.
F-95637
PROBLEM: Whenthe clutch/brake pedal is released, belt
noise can be heard.
1, Temporary bait 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 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
Check the belt guides around the transaxle drive pulley Make
sure the belt guides do not touch the pulley