Craftsman 917.28726 Troubleshooting Chart, unless, to Sears, center, Poor, grass, discharge

TROUBLESHOOTING CHART:

See

appropriate

section

in

manual

unless

directed

to Sears

service

center

_ROBLEM

CAUSE

CORRECTION

Mower

blades

will

1.

Obstruction

in clutch

il.

Remove

obstruction.

not

rotate

mechanism.

2.

Worn/damaged

mower

drive

2.

Replace

mower

drive

belt.

belt,

3.

Frozen

idler

pulley,

13.

Replace

idler

pulley.

4.

Frozen

blade

mandrel,

4.

Contact

a Sears

or

other

qualified

service

center.

5.

Mower

belt

off engine

pulley.

13.

Install

belt

on

engine

pulley.

Poor

grass

1.

Engine

speed

too slow.

11.

Place

throttle

control

in

discharge

"FAST"

position.

2.

Travel

speed

too

fast.

12,

Shift

to

slower

speed,

3.

Wet

grass.

13.

Allow

grass

to

dry before

mowing,

4.

Mower

not

level.

14.

Level

mower,

5.

Low/uneven

tire

air

pressure.

5.

Check

tires

for

proper

air

pressure,

6.

Worn,

bent

or loose

blade.

16.

Replace/sharpen

blade,

Tighten

blade

bolt,

7.

Buildup

of

grass,

leaves

and

i7.

Clean

underside

of

mower

trash

under

mower.

housing,

8.

Mower

drive

belt

worn.

i8.

Replace

mower

drive

belt,

9.

Blades

improperly

installed.

i9.

Reinstall

blades

sharp

edge

down,

10.

Improper

blades

used.

i 10.

Replace

with

blades

listed

in this

manual,

11.

Clogged

mower

vent

i 11.

Clean

around

mandrels

to

holes

from

buildup

of

grass,

open

vent

holes,

leaves,

and

trash

around

mandrels.

Headlight(s)

not

1.

Light

switch

is "OFF".

11.

Turn

light

switch

"ON".

working

2.

Bulb(s)

or

lamp(s)

burned

out.

12.

Replace

bulb(s)

or

lamp(s).

(if so

equipped)

3.

Faulty

light

switch.

3.

Check/replace

light

switch.

4.

Loose

or

damaged

wiring.

14.

Check

wiring

and

connections,

5.

Blown

fuse.

15.

Replace

fuse.

Battery

will not

1.

Bad

battery

cell(s).

11.

Replace

battery.

charge

2.

Poor

cable

connections.

12.

Check/clean

all connections.

3.

Faulty

regulator

i3.

Replace

regulator.

(if

so

equipped).

4.

Faulty

alternator.

4.

Replace

alternator.

Loss

of

drive

1.

Freewheel

control

in

il.

Place

freewheel

control

in

"disengaged"

position.

"engaged"

position.

2.

Motion

drive

belt

worn,

2.

Replace

motion

drive

belt,

damaged,

or

broken.

3.

Air

trapped

in transmission

13.

Purge

transmission.

during

shipment

or

servicing.

Engine	"backfires'	,	Engine	throttle	control	not set il.
when	turning		between	half	and full	speed
engine	"OFF"		(fast) position		before	stopping
			engine,

Move throttle control between half and full speed (fast) position before stopping engine,

31