Simplicity 7800356 Lawn Mower User Manual


 
Problem Solution
The engine will not start. 1. Follow the steps, “Start the Engine” in this book.
2. Clean the battery terminals. 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. Replace 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
several times. Install the spark plug.
6. Replace the spark plug.
7. Adjust the carburetor.
The engine will not turn over. 1. Follow the steps, “To Start the Engine” in this book.
2. Charge the battery.
3. Replace the fuse.
4. Check the wiring harness for damage or a loose connection. Repair
the damaged wire.
5. Replace the solenoid.
The engine is difficult to start. 1. Adjust the carburetor.
2. Replace the spark plug.
3. Replace the fuel filter.
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.
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.
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).
On slopes, the engine stops. 1. Mow up and down slopes. Never mow across a slope.
Troubleshooting Chart
en
34