TROUBLESHOOTING POINTS

PROBLEM

 

 

CAUSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

i ,nl,i ,,

i

i

 

 

 

 

 

 

 

 

Engine

continues to

run

1

Faulty

operator-safety

presence

control

system

 

 

 

 

 

 

when

operator

leaves

seat

 

 

 

 

 

 

 

 

 

 

 

 

 

with attachment

clutch

 

 

 

 

 

 

 

 

 

 

 

 

 

engaged

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Poor

cut - uneven

 

1

Worn,

bent

or $oose blade

 

 

 

 

 

 

 

 

2

Mower

deck not levet

 

 

 

 

 

 

 

 

 

 

3

Buildup

of grass, reaves, and trash under mower

 

 

 

 

 

 

4,

Bent

blade

mandre{

 

 

 

 

 

 

 

 

 

 

5

Clogged

mower

deck

vent holes

from buildup of

 

 

 

 

 

 

 

grass, leaves, and trash around mandrels

Mower

blades

will not

 

1

Obstruction

in clutch

mechanism

 

 

rotate

 

 

 

 

 

2

Worn/damaged

 

mower

drive belt

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

Frozen

 

idler pulley

 

 

 

 

 

 

 

 

 

 

 

4

Frozen

 

blade

mandrel

 

 

 

Poor

grass

discharge

 

t

Engine

speed

too slow

 

 

 

 

 

 

 

 

 

2

Travel

speed

too fast

 

 

 

 

 

 

 

 

 

 

3

Wet grass

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

Mowerdeck

nettevel

 

 

 

 

 

 

 

 

 

 

5

Low/uneven

tire

air pressure

 

 

 

 

 

 

 

 

6

Worn,

bent or

loose blade.

 

 

 

 

 

 

 

 

7

Buildup

of grass,

leaves

and trash under

mower.

 

 

 

 

 

 

8

Mower

drive belt worn

 

 

 

 

 

 

 

 

 

g

Blades

improperly

installed.

 

 

 

 

 

 

 

 

10

Improper

blades

used

 

 

 

 

 

 

 

 

 

11

Clogged

mower

deck

vent holes from buildup of

 

 

 

 

 

 

 

grass, leaves, and trash around mandrels

Headlight(s)

not working

I

Switch

is "OFF'

 

 

 

 

 

 

(if so

equipped)

 

 

2

Bulb(s)

burned

out

 

 

 

 

 

 

 

 

 

 

 

3

Faulty

tight

switch,

 

 

 

 

 

 

 

 

 

 

 

4

Loose or damaged

wiring

 

 

 

 

 

 

 

 

5

Blown

fuse,

 

 

 

 

 

 

 

 

Battery

wiil

not

charge

 

t

Bad

battery

celt(s)

 

 

 

 

 

 

 

 

 

 

 

2

Poor

cable

connections

 

 

 

 

 

 

 

 

 

3

Faulty

regulator

(if so

equipped).

 

 

 

 

 

 

 

 

4

Faulty

alternator

 

 

 

 

 

 

Engine

 

"backfires"

 

 

Engine throttIe control not set at "SLOW"

 

when

turning engine

 

 

position

for

30 seconds

before stopping

engine

"OFF"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CORRECTION

1Check wiring, switches and connections If not corrected, contact an authorized service center/ department

tReplace blade Tighten blade bolt

2 Level mower deck

3Ctean underside of mower housing

4Replace blade mandrel

5Clean around mandrels to open vent holes

t, Remove obstruction

2Replace mower drive belt

3Replace idler pulley

4Replace blade mandrel,

I.Place throttle control in "FAST" position

2 Shift to slower speed

3Allow grass to dry before mowing 4, Level mower deck

5Check tires for proper air pressure

6Replace/sharpen blade Tighten blade bo_t

7CIean underside of mower housing

8.Replace mowerdrive belt

9 Reinstall biades sharp edge down.

10.Replace with blades listed in this manual.

11Clean around mandrels to open vent hotes

I.Turn switch "ON _'

2.Replace butb(s).

3Check/replace light switch

4Check wiring and connections

5.Replace fuse

t Replace battery

2Check!clean all connections

3Replace regulator

4Replace alternator

1Move throttte control to "SLOW" position and at{ow to idle for 30 seconds before stopping engine

29

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Image 29
Sears 917.25148 manual Problem Cause, Correction