TROUBLESHOOTING POINTS

PROBLEM

CAUSE

 

 

 

 

 

 

 

 

CORRECTION

 

 

 

 

Does not start

1

Dirty

air tilter°

 

 

 

 

1

Clean/replace

air filter.,

 

 

2.

Out

of fuel.

 

 

 

 

 

 

2

Fill fuel

tank.,

 

 

 

 

 

3.

Stale fuet

 

 

 

 

 

 

3,.

Drain

tank and

retilt

with fresh

clean fuel

 

4

Water

in fuel

 

 

 

 

4.

Drain

fuel tank

and carburetor

and refill tank witt_ fresh

 

 

 

 

 

 

 

 

 

 

 

 

gasoline,,

 

 

 

 

 

5.

Spark

plug

wire

is disconnected

 

5

Connect

wire

to plug

 

 

 

6

Bad spark

plug

 

 

 

 

6.

Replace

spark

plug

 

 

 

7.

Loose

blade

or broken

blade

adapter

 

7

Tighten

blade bott or repiace blade adapter

 

8.

Control

bar

in released

position

 

8,

Depress

control

bar

to handle

 

 

9

Controlbar

 

defective

 

 

 

9,

Reptace

control

bar.

 

 

 

 

 

.......

,.

 

.....

:

=_

.....

,r

.... :

..............

 

 

 

 

 

,u,u

Loss

of power

 

1,,

Rear

of fawn mower

housing/blade

dragging

 

 

 

 

 

in heavy

grass,,

 

 

 

 

 

 

 

 

 

2.

Cutting

too much

grass

 

 

 

 

 

 

 

3,

Dirty

air

filter.

 

 

 

 

 

 

 

 

 

 

4.

Buildup

of grass, leaves and trash under

mower.

 

 

 

 

5

Too much oil in engine.

 

 

 

 

 

 

 

6.

Walking

speed

too fast

 

 

 

 

 

-

,,,

m

 

 

 

 

 

 

 

 

 

 

 

Poor cut

- uneven

 

1

Worn, bent

ortoose

blade

 

 

 

 

 

 

2,

Wheel

heights

uneven

 

 

 

 

 

 

 

3

Low engine

speed

 

 

 

 

 

 

 

 

 

4

Buildup

of grass,

leaves, and trash

under

mower.

Excessive

vibration

 

1,

Worn,

 

bent

or

loose

blade.

 

 

 

 

 

 

2

Bent

engine

crankshalt,

 

 

 

Starter

rope hard to pull

i

Engine

flywheel brake

is on when

control

bar ts

 

 

 

 

 

released,,

 

 

 

 

 

 

 

 

 

 

 

2,

Bent

engine

crankshaft

 

 

 

 

 

 

 

3,

Blade

adapter

broken,

 

 

 

 

 

 

 

4

Blade

dragging

in grass°

 

 

Grass

catcher not

filling

t

Cutting

height

too

low

 

 

 

(if so

equipped)

 

2.

Lift on blade worn off

 

 

 

 

 

 

 

3,

Catcher

not

venting

air

 

 

 

 

 

 

 

4

Low engine

speed

 

 

 

 

 

 

 

 

 

1. Grass is too high or wheel height is too low,

 

 

 

 

2.

Rear

of lawn mower

housing/blade

dragging

 

 

 

 

 

in grass

 

 

 

 

 

 

 

 

 

 

 

 

3

Grass

catcher

too

full

 

 

 

 

 

 

 

4.

Handle

height

position

not right for you

 

I Set in"Higher Cut" position

2Set in "Higher Cut" position

3Cleanlreplace air filter

4, Clean underside of mower housing,,

5Check oil level

6Cut at slower walking speed,

1Replace blade Tighten blade bolt 2, Set all wheels at same height

3 Contact an authorized service center/department

4 Clean underside of mower housing

1 Replace blade. Tighten blade belt

2.Contact an authorized service center/department,

1Depress control bar to upper handle before pulling starter rope.

2.Contact an authorized service center/department

3 Replace biade adapter

4Move lawn mower to cut grass or to hard surface to start engine

1, Raise cutting height 2, Replace blade

3 Clean grass catcher

4.Contact an authorized sewice centerldeparlment

1

Raise

cutting

height

2,

Raise

rear of lawn mower housing one (1)

 

setting

higher

 

3,

Empty

grass

catcher.

4

Adiust

handle

height to suit

21

Page 21
Image 21
Sears 143.974506, 917.38783 owner manual Troubleshooting Points, Problem, Cause Correction