Trouble Shooting Chart - Murray 312006x51A Manuel De L'utilisateur

TROUBLE SHOOTING 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 ter-
minals. Tighten the cables.
3. Check for a loose wire. Tighten the limit
switches. (See the wiring diagram.)
4. Drain the fuel tank. Clean the fuel line. Re-
place the fuel filter.
5. Remove the spark plug(s). Move the throttle
to the SLOW position. Turn the ignition key to
the ON position. Try to start the engine sev-
eral 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. Electric--Start Models: 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 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 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.
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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. Grass bag must be installed (applies only to
model with rear discharge grass bag).
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. Re-
place the fuel filter.
PROBLEM: A hot engine causes a de-
crease in power.
1. Clean the air screen.
2. Check the oil.
3. Adjust the carburetor.
4. Replace the fuel filter.
PROBLEM: Excessive vibration.
1. Replace the blade.
2. Check for loose engine bolts.
3. Decrease the air pressure in the tyres.
4. Adjust the carburetor.
5. Check for a damaged belt or damaged
pulley. Replace the damaged parts.
PROBLEM: The grass does not dis-
charge 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 posi-
tion.
6. Replace the spring for the blade idler.
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7. Clean the extension tube and the connector
tube (applies only to model with rear dis-
charge grass bag).
PROBLEM: The mower housing does
not cut level.
1. Check the air pressure in the tyres.
2. Adjust the level of the mower housing.
3. Check the front axle. If the front axle does
not freely pivot, loosen the axle bolt(s).
PROBLEM: The mower blades will not
rotate.
1. Check the mower drive belt. Make sure the
belt is installed correctly.
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 continu-
ous, 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, loosen the axle bolt(s).
PROBLEM: The transaxle is difficult to
shift between gears with the engine run-
ning and the clutch depressed.
1. Check the clutch adjustment to make sure
the belt stops when the clutch pedal is de-
pressed 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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