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 wifl- 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

tc

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

33

Page 33
Image 33
Craftsman 917.28991 manual Problemcause, Correction

917.28991, 28991 specifications

The Craftsman 28991, also referred to by its model number 917.28991, is a robust lawn mower designed for efficiency and convenience in residential landscaping. This particular model is tailored to meet the diverse needs of homeowners who seek a reliable solution for lawn care.

One of the foremost features of the Craftsman 28991 is its powerful engine. Equipped with a high-performance, gasoline-powered engine, it delivers ample power to tackle various types of grass and terrain. The engine’s design emphasizes reliability, ensuring that users can depend on it without frequent maintenance issues.

The mower includes a versatile cutting deck that is adjustable, offering multiple height settings. This adjustment capability allows users to customize the cutting height to suit their lawn type and personal preferences. Whether you prefer a low trim for a manicured look or a higher cut for a more natural appearance, this mower accommodates those needs effortlessly.

With a focus on user comfort, the Craftsman 28991 features an ergonomic handle. The handle's design is meant to reduce fatigue during extended mowing sessions, allowing for a more pleasant mowing experience. The mower also incorporates a self-propelling mechanism, which makes it easier to maneuver across varying terrains, especially on slopes or uneven ground.

In terms of technology, the Craftsman 28991 offers a bagging option alongside mulching capabilities. The rear bag collects grass clippings, reducing the need for additional yard cleanup, while the mulching feature finely chops the clippings, returning vital nutrients back to the lawn. This dual-functionality promotes a healthier lawn while simplifying the mowing process.

The construction of the Craftsman 28991 highlights durability. Its steel deck is designed to withstand the rigors of frequent use, ensuring longevity while maintaining performance. Additionally, the design includes oversized wheels that enhance traction and maneuverability, making it suitable for navigating tight spaces and obstacles.

Overall, the Craftsman 28991,917.28991 is an exceptional choice for homeowners looking for a dependable, feature-rich mower. With its powerful engine, adjustable cutting deck, ergonomic design, and dual-functioning capabilities, it stands out as a reliable tool for achieving a well-maintained lawn with minimal effort.