Craftsman Troubleshooting: Addressing Broken Blade Height Issues in Lawn Mowers

TROUBLESHOOTING - See appropriate section in manual unless directed

to a Sears Parts & Repair Center.

PROBLEM

CAUSE

CORRECTION

Loss

of

power

1.

Rear

of

mower

housing

or

1.

Raise

cutting

height.

blade

dragging

in

grass.

2.

Cutting

too

much

grass.

2.

Raise

cutting

height.

3.

Dirty

air

filter.

3.

Clean/replace

air

filter.

4.

Buildup

of

grass,

leaves,

4.

Clean

underside

of

mower

and

trash

under

mower.

housing.

5.

Too

much

oil

in

engine.

5.

Check

oil

level.

6.

Walking

speed

too

fast.

6.

Cut

at slower

walking

speed.

Poor

cut

=

1.

Worn,

bent

or

loose

blade.

1.

Replace

blade.

Tighten

uneven

blade

bolt.

2.

Wheel

heights

uneven.

2.

Set

all

wheels

at

same

height.

3.

Buildup

of

grass,

leaves

3.

Clean

underside

of

and

trash

under

mower.

mower

housing.

Excessive

1.

Worn,

bent

or

loose

blade.

1.

Replace

blade.

Tighten

vibration

blade

bolt.

2.

Bent

engine

crankshaft.

2.

Contact

a Sears

or

other

qualified

service

center.

Starter

rope

,

Engine

flywheel

brake

is on

1.

Depress

control

bar

to

hard

to

pull

when control

bar

is released.

upper

handle

before

pulling

starter

rope.

,

Bent

engine

crankshaft.

2.

Contact

a Sears

or

other

qualified

service

center.

3.

Blade

adapter

broken.

3.

Replace

blade

adapter.

4.

Blade

dragging

in grass.

4.

Move

lawn

mower

to

cut

grass or to hard surface.

Grass

catcher

1.

Cutting

height

too

low.

1.

Raise

cutting

height.

not filling

2.

Lift on

blade

worn

off.

2.

Replace

blade.

(if so

equipped)

3.

Catcher

not

venting

air.

3.

Clean

grass

catcher.

Hard

to

push

1.

Grass

is too

high

or

wheel

1.

Raise

cutting

height.

height

is too

low.

2.

Rear

of

lawn

mower

2.

Raise

rear

of

lawn mower

housing

or

cutting

blade

housing

one

(1)

setting

dragging

in

grass.

higher.

3.

Grass

catcher

too

full.

3.

Empty

grass

catcher.

4.

Handle

height

position

not

4.

Adjust

handle

height

to suit.

right

for

you.

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