Troubleshooting Chart; Troubleshooting - BEAL NPMS15.5/107H Notice D'emploi

Problem
The engine will not start.
The engine will not turn over.
The engine is difficult to start.
The engine does not run
smooth or has a loss of
power.
The engine does not run
smooth at fast speed.
The engine stops when the
blades are engaged.
On slopes, the engine stops.
The engine will not idle.
A hot engine causes a
decrease in power.
Excessive vibration.

Troubleshooting Chart

Correction
1. Follow the steps, "How to Start the Engine" in this book.
2. Electric-Start Models: 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 sev eral times. Install the spark plug.
6. Replace the spark plug.
7. Adjust the carburettor.
1. Follow the steps, "How to Start the Engine" in this book.
2. Electric-Start Models: 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: Replace the solenoid. Recoil-Start Models: Replace the module.
1. Adjust the carburettor.
2. Replace the spark plug.
3. Replace the fuel filter.
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 carburettor.
7. Replace the fuel filter.
1. Replace the spark plug.
2. Adjust the throttle control.
3. Clean the air filter.
4. Replace the fuel filter.
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).
1. Mow up and down slopes. Never mow across a slope.
1. Replace the spark plug.
2. Clean the air filter.
3. Adjust the carburettor.
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 carburettor.
4. Replace the fuel filter.
1. Replace the blade.
2. Check for loose engine bolts.
3. Decrease the air pressure in the tyres.
4. Adjust the carburettor.
5. Check for a damaged belt or damaged pulley. Replace the damaged parts.

Troubleshooting

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