Troubleshooting Table - McCulloch B428 PS Manuel D'utilisation

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  • FRANÇAIS, page 110

TROUBLESHOOTING TABLE

a WARNING: Always stop machine and disconnect spark plug before performing all of the
recommended remedies below except remedies that require operation of the machine.
TROUBLE
Engine will not start
Engine will not idle properly.
Engine will not accelerate, lacks
power, or dies under a load
Engine smokes excessively
Engine runs hot
TROUBLESHOOTING
CAUSE
1.
2. Fuel tank empty.
3.
4. Fuel not reaching carburetor.
5. Carburetor requires
adjustment.
6. Valve clearance needs
adjustment.
1. Carburetor requires
adjustment.
2. Crankshaft seals worn.
3. Compression low.
4. Valve clearance needs
adjustment.
1.
2. Spark plug fouled.
3. Carburetor requires
adjustment.
4.
outlet screen.
5. Compression low.
6. Valve clearance needs
adjustment.
1.
2. Carburetor requires
adjustment.
3. Too much oil in crankcase.
1. Spark plug incorrect.
2. Carburetor requires
adjustment.
3.
outlet screen.
4. Valve clearance needs
adjustment.
5. Too much oil in crankcase.
REMEDY
1. See "Starting a Flooded
Engine" in Operation Section.
2. Fill tank with fuel.
3. Install new spark plug.
4.
replace. Check for kinked or
split fuel line; repair or replace.
5. Contact an authorized service
dealer.
6. Contact an authorized service
dealer.
1. See "Carburetor Idle Speed
Adjustment" in Service and
Adjustments Section.
2. Contact an authorized service
dealer.
3. Contact an authorized service
dealer.
4. Contact an authorized service
dealer.
1.
2. Clean or replace plug and
regap.
3. Contact an authorized service
dealer.
4. Contact an authorized service
dealer.
5. Contact an authorized service
dealer.
6. Contact an authorized service
dealer.
1.
2. Contact an authorized service
dealer.
3.
1.
plug.
2. Contact an authorized service
dealer.
3. Contact an authorized service
dealer.
4. Contact an authorized service
dealer.
5.

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