Sears 358.356100-3.7/18"PS, 358.356090-3.7/20 manual Trouble Shooting Chart, Switch

J.

TROUBLE

SHOOTING

CHART

TROUBLE

CAUSE

REMEDY

ENGINE

WILL

NOT

START

1.

ignition

Switch

off.

1.

Move

switch

to

"Start".

2.

Fuel

tank empty.

2.

Fill

tank with

correct

fuel

mixture,

page8.

3.

Spark

Plug

not

firing.

3.

Install

new

plug,

page20.

4. Fuel n0t reaching carburetor.

4.

Check

for

dirty

fuel

filter;

ciean.

Check

for

kinked or split fuel line; repair or replace.

5.

Engine

flooded.

5.

See

Starting

Instructions,

page10.

6.

Compression

low.

6.

Contact Sears Service Center.

EI_GINE'WlLL NOT IDLE-

1.

Idling speed set too low.

1.

Adjust

idle speed'"screw clockwise' to in-

PROPERLY

increase

speed,

page 22.

2.

Idle

speed

set

too

high.

2.

Adjust

idle

speed

screw

counterclockw

se

3. Low speed screw requires adjustment.

to reduce

speed,

page22.

3.

See

Carburetor

Adjustments,

page22.

4.

Crankshaft

seals

worn.

4.

Replace seals or contact Sears Service

Center.

5.

Compression

tow.

5.

Contact

Sears

Service

Center.

ENGINE

WILL

NOT

I.

Carburetor

requires

adjustment.

1.

See

Carburetor

Adjustments,

page22.'

ACCELERATE,

LACKS

2.

Air

filter

dirty.

2.

Clean

or replace

air

filter,

page23.

............POWEROR--DfES ...............................................................3:-Spark Plugffouted:

...........................................................................................................3:-Cre-ati-dt-repladeSp-atk--PtfJ-g_-hd-f'-e-g_p;

IN THE

CUT

page

19.

page20.

4.

Carbon

build-up.

4.

Clean

exhaust

system

including

spark

Low

Compression.

5.

arrestor,

page 19:

Center.

5.

Contact

Sears

Service

ENGINE

SMOKES

Choke

partially

on.

1.

Push Choke

in.

EXCESSIVELY

2.

High

speed

needle

requires

adjustment.

2.

See

Carburetor

Adjustments,

page22.

•

3,

Air

filter

dirty.

3.

Ctean

or replace

air

filter,

page23.

4. Oil rich fuel mixture.

4.

Empty

fuel

tank

and

refill

with

correct

fuel

5.

mixture,

page&

Crankcase

leak.

,5.

Contact

Sears

Service

Center.

ENGINE

RUN'S'HOT

Fuel

Mixture

Incorrect.

1.

See

Engine

Fuel

Mixture,

page8.

2.

Spark

Plug

Incorrect.

2.

Replace

with

correct

plug,

page20.

3.

Carbon

build-up.

3.

Clean

exhaust.sys:tehns

including

spark

4.

arrestor,

page 19.

i

High

Speed

Mixture

set

too

low.

4.

See

Carburetor

Adjustments,

page 22.

OIL

INADEQUATE

FOR

I.

Oil

tank

empty.

1.

Fill

oil

tank,

page9.

BAR

AND CHAIN

2.

Oi!

pump:or

oil

filter clogged.

2. Contact

Sears

Service

Center.

LUBRICATION

3.

Guide

bar oil

hole

blocked.

3: Remove barand clean, page 19.

CHAIN

MOVES

AT

1.

Carburetor

requires

adjustment.

1.

See

Carburetor

Adjustments,

page22.

IDLE

SPEED

2.

Clutch

requires

repair.

2.

Contact

Sears

Service

Center.

CHAIN

DOES NOT

MOVE

1.

Chain

tension

too

tight.

1.

See

Chain

Tension,

page8.

WHEN

ENGINE IS

2.

Carburetor

requires

adjustment.

2.

See

Carburetor

Adjustments,

page 22.

ACCELERATED

3.

Guide

bar rails

pinched.

3.

Repair

or replace,

page 7 & 19.

4.

Clutch

slipping.

4.

Contact

Sears

Service

Center.

CHAIN

CLATTERS

OR

1.

Chain

tension

incorrect.

1.

See

Chain

Tension, page 8

.

'

'CUTS

ROUGH

LY

2.

Cutters

dull,

improperly

sharpened;

depth

2.

See

Chain

Sharpening

Instructions,

page

gauges

too

high.

page 18 (page

12-13 for Power Sharp "),

3. Sprocket

worn.

Sand

3.

Replace,

page 21.

4.

Chain

wear

due

to

Contact

with

dirt,

4.

Resharpen or replace

Chain,

page 18-19

or

frozen

wood.

(page 12-!.3 for Power Sharp").

Cutters

5.

damaged

after

striking

foreign

5.

Contact

Sears

Service

Center.

material.

Sharpen n!l cutters evenly and uniformly

or replace chain. See chain sharpening

instructions,

page

18-19

(page

12-13

for Power Sharp" ).

CHAIN	STOPS	Wi"T'HIN	1.	Chain	cutter		tops	not filed		flat.
THE CUT
			21	Guidebar		burred		or	bent;	rails uneven.
			3_	Clutch	slipping,
CHAIN	CUTS	AT	1.	Cutters	damaged			on	one	Side.
AN	ANGLE
			2.	Chain	dull	on	one	side.

I 1. See Chain Sharpening instructions,

page 18-19 (page 12-13 for Power Sharp ").

2.Repair or replace guide bar, page 7 & 19.

3.Contact Sears Service Center.

1.Resharpen until all cutters have equal angles and lengths, page 18-19 (page 12-13 for Power Sharp''). ........

2.Resharpen until all cutters have equal angles and lengths, page 18-19 (page 12-13

3. Guide bar bent, or worn.

:. for Power Sharp").

3.Replace guide bar, page 7 & 19.

25