TROUBLESHOOTING CHART:

See appropriate section in rnanual unless directed to Sears service center

PROBLEM

 

CAUSE

 

 

 

 

 

 

CORRECTION

 

 

 

Will

not

start

1

Out

of

fuel.

 

 

 

 

1

Fill fuel

tank.

 

 

 

 

 

 

 

 

 

2

Engine

not

"CHOKED"

properly.

2

See

"TO START

ENGINE"

in

 

 

 

 

 

 

 

 

 

 

 

 

 

Operation

section.

 

 

 

 

 

 

3

Engine

flooded.

 

 

 

3

Wait

several

minutes

before

 

 

 

 

 

 

 

 

 

 

 

 

 

attempting

to

start.

 

 

 

 

 

 

4

Bad

spark

 

plug.

 

 

4

Replace

spark

plug.

 

 

 

 

 

 

5

Dirty

air filter.

 

 

 

5

Clean/replace

 

air filter.

 

 

 

 

 

6

Dirty

fuel

filter.

 

 

 

6

Replace

fuel

filter.

 

 

 

 

 

 

7

Water

in fuel.

 

 

 

7

Empty

fuel

tank

and

carburetor,

 

 

 

 

 

 

 

 

 

 

 

 

 

refill tank with fresh gasoline and

 

 

 

 

 

 

 

 

 

 

 

 

 

replace

fuel

filter.

 

 

 

 

 

 

8

Loose

or

damaged

wiring.

8

Check

all

wiring.

 

 

 

 

 

 

 

9

Carburetor

 

out

of

adjustment.

9

See

"To Adjust

 

Carburetor"

in

 

 

 

 

 

 

 

 

 

 

 

 

 

Service

and

Adjustments

 

section.

 

 

 

10

Engine

valves

out

of adjustment.

10

Contact

a

Sears

or

other

qualified

 

 

 

 

 

 

 

 

 

 

 

 

 

service

center.

 

 

 

 

 

Hard to

start

1

Dirtyair filter.

 

 

 

1

Clean/replace

 

air filter.

 

 

 

 

 

2

Bad

spark

 

plug.

 

 

2

Replace

spark

plug.

 

 

 

 

 

 

3

Weak

or

dead

battery.

 

3

Recharge

or

replace

battery.

 

 

 

4

Dirty

fuel

filter.

 

 

 

4

Replace

fuel

filter.

 

 

 

 

 

 

5

Stale

 

or dirty fuel.

 

 

5

Empty

fuel

tank

and

refill

tank with

 

 

 

 

 

 

 

 

 

 

 

 

 

fresh,

clean

gasoline.

 

 

 

 

 

 

6

Loose

or

damaged

wiring.

6

Check

all

wiring.

 

 

 

 

 

 

 

7

Carburetor

 

out

of

adjustment.

7

See

"To Adjust

 

Carburetor"

in

 

 

 

 

 

 

 

 

 

 

 

 

 

Service

and

Adjustments

 

section.

 

 

 

8

Engine

valves

out

of adjustment.

8

Contact

a

Sears

or

other

qualified

 

 

 

 

 

 

 

 

 

 

 

 

 

service

center.

 

 

 

 

 

Engine

will not

1

Clutch/brake

pedal not

depressed.

1

Depress

clutch/brake

pedal.

turn

over

2

Attachment

clutch

is engaged.

2

Disengage

attachment

clutch.

 

 

 

 

 

 

3

Weak

or

dead

battery.

 

3

Recharge

or

replace

battery.

 

 

 

4

Blown

fuse.

 

 

 

 

4

Replace

fuse.

 

 

 

 

 

 

 

 

5

Corroded

battery

terminals.

5

Clean

battery

 

terminals.

 

 

 

 

 

6

Loose

or

damaged

wiring.

6

Check

all

wiring.

 

 

 

 

 

 

 

7

Faulty

ignition

switch.

 

7

Check/replace

 

ignition

switch.

 

 

 

8

Faulty

solenoid

or

starter.

8

Check/replace

 

solenoid

or starter.

 

 

 

9

Faulty

operator

presence

9

Contact

a

Sears

or

other

qualified

 

 

 

 

switch(es),

 

 

 

 

 

 

service

center.

 

 

 

 

 

30

Page 30
Image 30
Craftsman 917.28990, YT 4500 manual Problem, Cause Correction, Start, Hard to, Engine

YT 4500, 917.28990 specifications

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