Craftsman Comprehensive Troubleshooting Guide for Lawn Mower – Model 917.28924

TROUBLESHOOTING CHART:

See appropriate section in manual unless directed to Sears service center

PROBLEM		CAUSE						CORRECTION
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.

Mower blades will not rotate

Poor grass

discharge

Headlight(s) not working

(if so equipped)

5 Clogged mower deck vent from 5 Clean around mandrels to

build-up of grass, leaves, andopen 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.

1

Light

switch

is

"OFF".

1

Turn light

switch

"ON".

2

Bulb(s)

or lamp(s)

burned

out.

2

Replace

bulb(s)

or

lamp(s).

3

Faulty

light

switch.

3

Check/replace

light

switch.

4

Loose

or damaged wiring.

4

Check

wiring

and connections.

5

Blown

fuse.

5

Replace

fuse.

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