Craftsman 358.79103 operating instructions Engine, Troubleshooting Table, Cause Remedy

Models: 358.79103

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stabilizertothegasolinethefuel • Replace spark plug with new one of tankorfuelstoragecontainerFollow. recommended type and heat range. themixinstructionsfoundonstabilizer • Clean air filter. containerRunengineatleast3min.- • Check entire unit for loose screws,

utesafteraddingstabilizer. nuts, and bolts. Replace any dam-

Craftsman40:1,2-cycleengineoil(airaged, broken, or worn parts. cooled)isalreadyblendedwithfuel • At the beginning of the next season, stabilizerIfyoudonotusethisSears. use only fresh fuel having the proper

oil,youcanaddafuelstabilizerto gasoline to oil ratio.

yourfueltank.OTHER

ENGINE

Remove spark plug and pour 1 tea- spoon of 40:1,2-cycle engine oil (air cooled) through the spark plug

opening. Slowly pull the starter rope 8 to 10 times to distribute oil=

Do not store gasoline from one sea- son to another.

Replace your gasoline can if it starts to rust.

TROUBLESHOOTING TABLE

WARNING: Always stop unit and disconnect spark plug before perform- ing all of the recommended remedies below except remedies that require unit to be operating.

TROUBLE

CAUSE

REMEDY

Engine will not

1. ON/OFF switch in

1. Move ON/OFF switch to ON.

start.

OFF position.

 

 

 

2.Fuel tank empty.

3.Spark plug not firing.

4.Fuel not reaching carburetor.

2.Fill tank with correct fuel mixture.

3.install new spark plug.

4.Check for dirty fuel filter; replace. Check for kinked or sp_it fuel line; repair or replace.

 

 

5.

Carburetor

requires

5.

Contact

 

Sears

Service

(see

back

cover).

 

 

 

adjustment.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Engine

will

1.

Carburetor

requires

1. See

"Carburetor

 

Adjustment"

in

 

not idle

 

adjustment.

 

 

 

Service

 

and

Adjustments

Section.

 

 

 

 

 

 

 

 

 

properly.

2.

Crankshaft

seals worn.

2. Contact

Sears

 

Service

(see

back

cover).

 

 

3.

Compression

 

low.

3. Contact

Sears

 

Service

(see

back

cover).

Engine

wilt not

1.

Air filter

dirty.

 

1.

Clean

or

replace

air filter.

 

 

 

accelerate,

2. Spark

plug fouled.

2.

Clean

or

replace

plug

 

 

 

 

lacks

power.

 

 

 

 

 

 

 

and

regap.

 

 

 

 

 

 

 

 

 

or dies

under

3.

Carburetor

requires

3.

Contact

 

Sears

Service

(see

back

cover).

a load.

 

 

adjustment.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.

Carbon build-up on

4.

Contact

 

Sears

Service

(see

back

cover).

 

 

 

muffler

outlet

screen.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5.

Compression

 

low.

5.

Contact

 

Sears

Service

(see

back

cover).

Engine

1.

Fuel

mixture

 

incorrect.

1.

Empty

fuel

tank

 

and

refill

with

 

 

 

 

 

 

 

 

 

smokes

 

 

 

 

 

 

 

correct

fuel

mixture.

 

 

 

 

 

excessively.

2.

Air filter

dirty.

 

2.

Clean

or

replace

air filter.

 

 

 

 

 

3.

Carburetor

requires

3.

Contact

 

Sears

Service

(see

back

cover).

 

 

 

adjustment.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Engine

runs

1.

Fuel

mixture

 

incorrect.

1.

See

"Fueling

 

Engine"

 

in Operation

 

hot.

 

 

 

 

 

 

 

 

section.

 

 

 

 

 

 

 

 

 

 

 

 

 

2.

Spark

plug

incorrect.

2.

Replace

with

correct

spark

plug.

 

 

 

3.

Carburetor

requires

3.

Contact

 

Sears

Service

(see

back

cover).

 

 

 

adjustment.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.

Carbon buitd-up on

4.

Contact

 

Sears

Service

(see

back

cover).

 

 

 

muffler outlet

screen.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17

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Craftsman 358.79103 operating instructions Engine, Troubleshooting Table, Cause Remedy