Murray 425307x51A Manuel De L'opérateur page 32

Troubleshooting Chart
Problem
The engine will not idle.
A hot engine causes a decrease in power.
Excessive vibration.
The grass does not discharge correctly.
The mower housing does not cut level.
The mower blades will not rotate.
The unit will not move when the brake is
released and the speed control pedal is
depressed.
The unit moves slower or stops when the
speed control pedal is depressed.
32
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.
1. Clean the air screen.
2. Check the oil.
3. Adjust the carburetor.
4. Replace the fuel filter.
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.
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 lower speed.
5. Move the throttle control to the FAST position.
6. Replace the spring for the blade idler.
7. Clean the extension tube and the connector tube (applies only to
model with rear discharge grass bag).
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 axle bolt(s).
1. Check the mower drive belt. Make sure the belt is installed correctly.
2. Replace the mower drive belt.
1. Check the motion drive belt. Make sure the belt is installed correctly.
2. Adjust the clutch.
3. Replace the motion drive belt.
1. Adjust the clutch.
2. Replace the motion drive belt.
Solution
en