Craftsman YT 4000, 917.289360 Troubleshooting Chart, Cause, Correction, Mower blades will, engine

TROUBLESHOOTING CHART:

See appropriate section in rnanual unless directed to Sears service center

PROBLEM

CAUSE

CORRECTION

Loss of power

9

Water

in fuel.

9

Empty

fuel

tank

and carburetor,

refill tank with fresh gasoline and

(Continued)

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.

Excessive vibration 1 Worn, bent or loose blade.

2 Bent blade mandrel.

15Contact a Sears or other qualified service center.

1Replace blade. Tighten blade bolt.

2Contact a Sears or other qualified service center.

Engine continues to

run when operator leaves seat with attach-

ment clutch engaged

Poor cut = uneven

cutting

Mower blades will

not rotate

POOr grass

discharge

3

Loose/damaged

part(s).

3

Tighten

loose

part(s).

Replace

damaged

parts.

1

Faulty

operator-safety

presence

1

Check

wiring,

switches

and

control

system.

connections.

If not

corrected,

contact

a Sears

or

other

qualified

service

center.

1

Worn,

bent

or

loose

blade.

1

Replace

blade.

Tighten

blade bolt.

2

Mower

deck

not

level.

2

Level

mower

deck.

3

Buildup

of grass,

leaves,

and

3

Clean

underside

of

mower

trash

under

mower.

housing.

Bent

blade

mandrel.

4

Contact

a Sears

or

other

qualified

service

center.

5

Clogged

mower

deck

vent

from

5

Clean

around

mandrels

to

build-up

of grass,

leaves,

and

open

vent

holes.

trash

around

mandrels.

1

Obstruction

in clutch

mechanism.

1

Remove

obstruction.

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.

1

Engine

speed

too slow.

1

Place

throttle

control in "FAST"

position.

2

Travel

speed

too

fast.

2

Shift

to slower

speed.

3

Wet

grass.

3

Allow

grass

to

dry before

mowing.

4

Mower

deck

not

level.

4

Level

mower

deck.

5

Low/uneven

tire

air pressure.

5

Check

tires

for

proper

PSI.

6

Worn,

bent

or

loose

blade.

6

Replace/sharpen

blade.

Tighten

blade

bolt.

7

Buildup

of grass,

leaves

and

7

Clean

underside

of mower

trash

under

mower.

housing.

8

Mower

drive

belt

worn.

8

Replace

mower

drive

belt.

9

Blades

improperly

installed.

9

Reinstall

blades

sharp

edge

down.

10

Improper

blades

used.

10

Replace

with

blades

listed

in

this manual.

11

Clogged

mower

deck

vent

holes

11

Clean

around

mandrels

to

from

buildup

of grass, leaves,

and

open

vent

holes.

trash

around

mandrels.

29