Troubleshooting - Craftsman 358.351210 Operator's Manual

2.8 cu.in./46cc 2-cycle 20 in. bar gasoline chain saw
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TROUBLESHOOTING
TABLE
_,
WARNING:
Always stop unit and disconnect
spark plug before performing
all of the recommended
remedies below except remedies that require opera-
TROUBLE
REMEDY
Engine will not
start or will run
only a few
seconds
after
starting.
Engine will
not idle
properly.
Engine will not
accelerate,
lacks power.
or dies under
a load.
Engine
smokes
excessively.
Engine
runs
hot.
tion of the unit.
CAUSE
1. Ignition switch off.
2. Engine flooded.
3. Fuel tank empty.
4. Spark plug not firing.
5. Fuel not reaching
carburetor.
6. Carburetor
requires
adjustment.
7. None of the above.
1. Idle speed settee
high
or too low.
2. Low Speed
Mixture
requires
adjustment.
3. Crankshaft
seals worn.
4. Compression
tow.
5. None of the above.
1. Air filter dirty.
2. Spark plug fouled.
3. Carburetor
requires
adjustment.
4. Exhaust
ports or muf-
fler outlets
plugged.
5. Compression
low.
6. None of the above.
1. Choke
partially
on.
2. Fuel mixture
incorrect.
3. Air filter dirty.
4. High Speed
Mixture
requires
adjustment.
5. Crankcase
leak.
1. Fuel mixture
incorrect.
2. Spark
plug incorrect.
3. High Speed
Mixture
set too lean.
4. Exhaust
ports or muf-
tier outlets plugged.
5. Carbon
build-up
on
muffler outlet screen.
6. Fan housing/cylinder
fins dirty.
7. None of the above.
1. Move ignition switch to ON.
2. See "Difficult Starting"
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 sprit fuel line;
repair or replace.
6. See "Carburetor
Adjustment"
in
Service and Adjustments
Section.
7. Contact
Sears Service.
1. See "Carburetor
Adjustment"
in
Service and Adjustments
Section.
2. See "Carburetor
Adjustment"
in
Service and Adjustments
Section.
3. Contact
Sears Service.
4. Contact
Sears Service.
5. Contact
Sears Service.
1. Clean or replace
air filter.
2. Clean or replace
plug
and regap.
3. See "Carburetor
Adjustment"
in
Service and Adjustments
Section.
4. Contact
Sears Service.
5. Contact
Sears Service.
6. Contact
Sears Service.
1. Adjust
choke.
2. Empty fuel tank and refill with
correct
fuel mixture.
3. Clean or replace
air filter.
4. See "Carburetor
Adjustment"
in
Service
and Adjustments
Section.
5. Contact
Sears Service.
1. See "Fueling
Engine" in Operation
section.
2. Replace with correct
plug.
3. See "Carburetor
Adjustment"
in
Service
and Adjustments
Section.
4. Contact
Sears Service.
5. Clean spark arrestor
screen.
6. Clean area.
7. Contact
Sears Service.
17

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