Craftsman 917.28927 Troubleshooting Chart, Loss of, power, operator, engaged, Poor cut = uneven

TROUBLESHOOTING CHART:

See appropriate section in manual unless directed to Sears service center

PROBLEM

CAUSE

CORRECTION

Loss of

power

1

Cutting

too

much

grass/too

fast.

1

Raise

cutting

height/reducespeed

2

Throttle

in "CHOKE"

position.

2

Adjust

throttle

control.

3

Build-up

of

grass,

leaves

and

3

Clean

underside

of mower

trash

under

mower.

housing.

4

Dirty

air

filter.

4

Clean/replace

air

filter.

5

Low oil

level/dirty

oil.

5

Check

oil

level/change

oil.

6

Faulty

spark

plug.

6

Clean

®ap

or changespark

plug

7

Dirty

fuel

filter.

7

Replace

fuel

filter.

8

Stale

or

dirty fuel.

8

Empty

fuel

tank

and refill tank wig-

fresh,

clean

gasoline.

9

Water

in fuel.

9

Empty

fuel

tank

and carburetor,

refill tank with fresh gasoline and

replace

fuel

filter.

10

Spark

plug

wire

loose.

10

Connect

& tighten

spark

plug

wire

11

Dirty

engine

air screen/fins.

11

Clean

engine

air

screen/fins.

12

Dirty/clogged

muffler.

12

Clean/replace

muffler.

13

Loose

or damaged

wiring.

13

Check

all

wiring.

14

Carburetor

out of adjustment.

14

See

"To Adjust

Carburetor" in

Service

and

Adjustments

section.

15

Engine

valves

out

of adjustment.

15

Contact

a Sears

or

other

qualified

service

center

Excessive

vibration

1

Worn,

bent

or

loose

blade.

1

Replace

blade.

Tighten

blade

bolt

2

Bent

blade

mandrel.

2

Contact

a Sears

or

other

qualified

service

center

3

Loose/damaged

part(s).

3

Tighten

loose

part(s).

Replace

damaged

parts.

Engine

continues

to

1

Faulty

operator-safety

presence

1

Check

wiring,

switches

and

run

when

operator

atta-

control

system.

connections.

If not

corrected,

leaves

seat with

contact

a

Sears

or

other

chment

clutch

engaged

Poor cut = uneven

1

Worn,

bent

or

loose

blade.

1

Replace

blade.

Tighten

blade

bolt

cutting

2

Mower

deck

not

level.

2

Level

mower

deck.

3

Buildup

of grass,

leaves,

and

3

Clean

underside

of

mower

trash

under

mower.

housing.

4

Bent

blade

mandrel.

4

Contact

a Sears

or

other

qualified

service

center.

Clogged mower deck vent from

5

Clean

around

mandrels

to

build-up

of

grass,

leaves,

and

open

vent

holes.

trash

around

mandrels.

Mower

blades

will

1

Obstruction

in

clutch

mechanism.

1

Remove

obstruction.

not

rotate

2

Worn/damaged

mower drive belt

2

Replace

mower

drive

belt.

3

Frozen

idler

pulley.

3

Replace

idler

pulley.

4

Frozen

blade

mandrel.

4

Contact

a Sears

or

other

qualified

service

center.

31