Troubleshooting Table - McCulloch GB 322 Operator's Manual

a WARNING: Always stop unit and disconnect spark plug before performing any of the recommended
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.
8

TROUBLESHOOTING TABLE

CAUSE
1.
2. Fuel tank empty.
3.
4. Fuel not reaching carburetor.
5. Compression low.
1. Fuel not reaching carburetor.
2. Carburetor requires adjustment.
3. Crankshaft seals worn.
4. Compression low.
1.
2. Fuel not reaching carburetor.
3. Spark plug fouled.
4. Carburetor requires adjustment.
5. Carbon build up.
6. Compression low.
1. Choke partially on.
2. Fuel mixture incorrect.
3.
4. Carburetor requires adjustment.
1. Fuel mixture incorrect.
2. Spark plug incorrect.
3. Carburetor requires adjustment.
4. Carbon build up.
REMEDY
1. See DIFFICULT STARTING in
OPERATION section.
2. Fill tank with correct fuel mixture.
3. Install new spark plug.
4.
Check for kinked or split fuel line;
repair or replace.
5. Contact an authorized service
dealer.
1.
Check for kinked or split fuel line;
repair or replace.
2. Contact an authorized service
dealer.
3. Contact an authorized service
dealer.
4. Contact an authorized service
dealer.
1.
2.
Check for kinked or split fuel line;
repair or replace.
3. Clean or replace spark plug and
re-gap.
4. Contact an authorized service
dealer.
5. Contact an authorized service
dealer.
6. Contact an authorized service
dealer.
1. Adjust choke.
2.
correct fuel mixture.
3.
4. Contact an authorized service
dealer.
1. See FUELING THE ENGINE in
OPERATION section.
2. Replace with correct spark plug.
3. Contact an authorized service
dealer.
4. Contact an authorized service
dealer.