Sears 502.25502 - Manual (Page 31)

TROUBLE SHO0T1MG CHART
(Recoil-Start And Electric Models)
PROBLEM: The engine will not start,
1 Foilow the steps How To Start The Engine in this book
2 Clean the battery terminals Tighten the cables
3 Check for a loose wire Tighten the limit switches ISee the
wiring diagram )
4 Drain the fuel tank Clean the fuel line Replace the fuel
filter
5 Remove the spark plugis) Move the throttle to the SLOW
position Turn the ignition key to the ON position Try to start
the engine several times Install the spark plug
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 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: rep'ace the solenoid.
Recoii-Start Models; 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 to 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 To activate the seat sensor, always sit in the middle of
the 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 seat
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
PROBLEM: Excessive vibration
1 Repiace the blade
2 Check for loose engine bolts
3 Check 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 Repiace 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,
loosen the two axle bolts
PROBLEM: The mower blades will not rotate
1 Check the mower drive belt Make sure the belt is
installed correctly
2 Repiace the mower drive belt
PROBLEM: The unit will not move when the clutch is
engaged.
1 Adjust the dutch
2 Replace the motion drive belt
3 Check the motion drive belt Make sure the belt is
installed correctly
PROBLEM: The unit moves slower or stops when the clutch
is engaged
1 Repiace the motion drive belt
2 Adjust the clutch
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 ail belt guides
2 If the noise is continuous, adjust the dutch.
PROBLEM; The rear wheels spin over uneven terrain
1 Check the front axle If the front axle does not freely pivot,
loosen the two axle boits
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
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