McCulloch Cabrio 115154526 Instruction Manual page 16

TROUBLESHOOTING TABLE
WARNING:
Always stop unit and disconnect spark plug before performing all of the
recommended remedies below except remedies that require operation of the unit.
TROUBLE CAUSE
Engine will not
1. ON/STOP (I/0) switch in
start.
STOP position.
2. Engine flooded.
3. Fuel tank empty.
4. Spark plug not firing.
5. Fuel not reaching
carburetor.
6. Carburetor requires
adjustment.
Engine will 1. Carburetor requires
not idle adjustment.
properly. 2. Crankshaft seals worn.
3. Compression low.
Engine will not 1. Air filter dirty.
2. Spark plug fouled.
accelerate,
lacks power,
3. Carburetor requires
or dies under
adjustment.
a load.
4. Carbon build-up on
muffler outlet screen.
5. Compression low.
Engine 1. Choke partially on.
smokes 2. Fuel mixture incorrect.
excessively.
3. Air filter dirty.
4. Carburetor requires
adjustment.
Engine runs 1. Fuel mixture incorrect.
hot.
2. Spark plug incorrect.
3. Carburetor requires
adjustment.
4. Carbon build-up on
muffler outlet screen.
REMEDY
1. Move ON/STOP (I/0) switch to ON (I)
position.
2. See "Starting a Flooded Engine" in
Operation Section.
3. Fill tank with correct fuel mixture.
4. Install new spark plug.
5. Check for dirty fuel filter; replace.
Check for kinked or split fuel line;
repair or replace.
6. Contact an authorized service dealer.
1. See "Carburetor Adjustment" in
Service and Adjustments Section.
2. Contact an authorized service dealer.
3. Contact an authorized service dealer.
1. Clean or replace air filter.
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.
1. Adjust choke.
2. Empty fuel tank and refill with
correct fuel mixture.
3. Clean or replace air filter.
4. Contact an authorized service dealer.
1. Empty fuel tank and refill with
correct fuel mixture.
2. Replace with correct spark plug.
3. Contact an authorized service dealer.
4. Contact an authorized service dealer.
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