Craftsman 917.28726 Troubleshooting Chart, Loss of power, continued, vibration, into reverse

Models: 917.28726

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TROUBLESHOOTING CHART:

TROUBLESHOOTING CHART:

See appropriate section in manual unless directed to Sears service center

=ROBLEM

CAUSE

CORRECTION

Loss of power

6.

Faulty

spark

plug.

 

(continued)

 

 

 

 

 

 

 

 

 

7.

Dirty

fuel

filter.

 

 

 

8.

Stale

or

dirty

fuel.

 

 

9.

Water

in

fuel.

 

 

 

 

10.

Spark

plug

wire

loose.

 

11.

Dirty

engine

air

screen/fins.

 

12.

Dirty/clogged

 

muffler.

 

13.

Loose

or

damaged

wiring.

 

14.

Carburetor

 

out

of adjustment.

 

15.

Engine valves

 

out of

 

 

adjustment.

 

 

 

 

Excessive

1.

Worn,

bent

or

loose

blade.

vibration

 

 

 

 

 

 

 

 

2.Bent blade mandrel.

3.Loose/damaged part(s).

6.Clean and regap or change spark plug.

7.Replace fuel filter.

8.Empty fuel tank and refill tank with fresh, clean gasoline.

9.Empty fuel tank and carbure- tor, refill tank with fresh gas- oline and replace fuel filter.

10.Connect and tighten spark plug wire.

11.Clean engine air screen/fins.

12.Clean/replace muffler.

13.Check all wiring.

14.See "To Adjust Carburetor" in Service and Adjustments section.

15.Contact a Sears or other qualified service center.

1.

Replace

blade.

Tighten blade

 

bolt.

 

 

 

2.

Contact

a Sears

or other

 

qualified

service

center.

3.

Tighten

loose

part(s).

 

Replace

damaged

parts.

Engine dies when tractor is shifted

into reverse

Engine continues to run when

operator leaves seat with

attachment

clutch engaged

1.Reverse operation system (ROS) is not "ON" while mower or other attachment is engaged.

1.Faulty operator-safety presence control system.

1. Turn ignition key to

ROS

"ON" position.

See

Operation section.

,Check wiring, switches and

connections. If not corrected, contact a Sears or other

qualified service center.

Poor cut - uneven

,

Worn,

bent

 

or loose

blade.

1.

Replace

blade.

Tighten

blade

 

 

 

 

 

 

 

 

 

 

bolt.

 

 

 

 

 

 

 

 

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.

 

 

5.

Clogged

mower

deck

vent

5.

Clean

 

around

mandrels

to

 

 

from

build-up

of grass,

leaves,

 

open

vent

holes.

 

 

 

 

 

and

trash

around

mandrels.

 

 

 

 

 

 

 

 

 

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Craftsman 917.28726 Troubleshooting Chart, Loss of power, continued, vibration, into reverse, operator leaves seat with