Craftsman 917.28922 Troubleshooting Chart, Problemcause, Loss of power, Excessive, vibration

Models: 917.28922

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PROBLEMCAUSE

TROUBLESHOOTING CHART:

See appropriate section in manual unless directed to Sears service center

PROBLEMCAUSE

Engine clicks but 1 Weak or dead battery. will not start

2Corroded battery terminals.

3Loose or damaged wiring.

4Faulty solenoid or starter.

Loss of power

1 Cutting too much grass/too fast.

2Throttle in "CHOKE" position.

3Build-up of grass, leaves and trash under mower.

4Dirty air filter.

5Low oil level/dirty oil.

6Faulty spark plug.

7Dirty fuel filter.

8Stale or dirty fuel.

9Water in fuel.

CORRECTION

1Recharge or replace battery.

2Clean battery terminals.

3Check all wiring.

4Check/replace solenoid or starter.

1Raise cutting height/reduce speed.

2Adjust throttle control.

3Clean underside of mower housing.

4Clean/replace air filter.

5Check oil level/change oil.

6Clean and regap or change spark plug.

7Replace fuel filter.

8Empty fuel tank and refill tank witi- fresh, clean gasoline.

9Empty fuel tank and carburetor, refill tank with fresh gasoline and replace fuel filter.

 

 

 

 

10

Spark

 

plug

wire loose.

10

Connect

and

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.

15

Contact

 

a Sears

or other

qualified

 

 

 

 

 

 

 

 

 

 

 

 

 

service

 

center.

 

 

 

 

 

Excessive

vibration

1

Worn,

 

bent

or loose

blade.

1

Replace

blade.

Tighten

blade bolt

 

 

 

 

2

Bent

blade

mandrel.

 

2

Contact

 

a Sears

or other

 

 

 

 

 

 

 

 

 

 

 

 

 

 

qualified

service

center.

 

 

 

 

 

 

3

Loose/damaged

part(s).

3

Tighten

 

loose

 

part(s).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace

damaged

 

parts.

 

Engine

continues

to

1

Faulty

 

operator-safety

presence

1

Check

wiring,

 

switches

and

run when

operator

 

 

control

system.

 

 

 

 

connections.

If not

corrected,

leaves

seat with

 

 

 

 

 

 

 

 

 

 

contact a Sears or other

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

attachment clutch

engaged

29

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Craftsman 917.28922 Troubleshooting Chart, Problemcause, Loss of power, Excessive, vibration, Engine, continues, operator