Sears 917.25271 owner manual Troubleshooting Points, Problem, Cause, Correction

i i i iii

TROUBLESHOOTING POINTS

PROBLEM	CAUSE	CORRECTION
I IIII

Will not start 1. Out of fuel.

2.Engine not =CHOKED" properly.

3.Engine flooded.

4, Bad spark plug.

5.Dirty air filter.

6.Dirty fuel filter,

7.Water in fuel.

8.Loose or damaged wiring.

9.Carburetor out of adjustment.

10.Engine valves out of adjustment.

Hard

to start

1.

Dirty

air filter.

2.

Bad spark

plug,

3.

Weak

or dead

battery.

4.

Dirty

fuel

filter.

5.

Stale

or dirty

fuel.

6.

Loose

or damaged

wiring,

7.

Carburetor

out of adjustment.

8.

Engine valves out of adjustment.

Engine

will not turn over

1.

Clutch/brake

pedal

not depressed.

2.

Attachment clutch

is engaged.

3.

Weak

or dead

battery.

4.

Blown

fuse.

5.

Corroded

battery

terminals.

6.

Loose

or damaged

wiring.

7.

Faulty

ignition

switch.

8.

Faulty

solenoid

or starter.

9.

Faulty

operator

presence

switch(es).

Engine

clicks but will not

1.

Weak

or dead

battery.

start

2.

Corroded

battery

terminals.

3. Loose or damaged wiring.

4. Faulty solenoid or starter.

Loss

of power

1.

Cutting too much

grass/too

fast.

2. Throttle in "CHOKE" position.

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

4.

Dirty

air filter.

5,

Low

oil level/dirty

oil.

6.Faulty spark plug.

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 vibration	1.	Worn,	bent	or loose blade.
	2.	Bent	blade	mandrel.
	3.	Loose/damaged part(s).

1.Fill fuel tank.

2.See "TO START ENGINE" in Operation section.

3.Wait several minutes before attempting to start.

4.Replace spark plug.

5.Clean/replace air filter.

6.Replace fuel filter.

7.Drain fuel tank and carburetor, refill tank with fresh gasoline and replace fuel filter.

8.Check all wiring.

9.Contact an authorized service center/department.

10.Contact an authorized service center/department.

1.Clean/replace air filter.

2.Replace spark plug.

3.Recharge or replace battery.

4.Replace fuel filter.

5.Drain fuel tank and refill with fresh gasoline,

6.Check all wiring.

7.Contact an authorized service center/department.

8.Contact an authorized service center/department.

1.Depress clutch/brake pedal. 2, Disengage attachment clutch. 3, Recharge or replace battery.

4.Replace fuse,

5.Clean battery terminals.

6.Check all wiring.

7.Check/replace ignition switch.

8.Check/replace solenoid or starter.

9.Contact an authorized service center/department.

1.Recharge or replace battery.

2.Clean battery terminals.

3.Check all wiring.

4.Check/replace solenoid or starter.

1.Set in "Higher Cur' position/reduce speed.

2.Adjust throttle control.

3.Clean underside of mower housing.

4.Clean/replace air filter.

5.Check oil level/change oil.

6.Clean and regap or change spark plug.

7.Replace fuel tilter.

8.Drain fuel tank and refill with fresh gasoline.

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

10.Connect and tighten spark plug wire.

11.Clean engine air screen/fins.

12.Clean/replace muffler.

13.Checkall wiring.

14.Contact an authorized service center/department.

15.Contact an authorized service center/department.

1.Replace blade. Tighten blade bolt.

2.Replace blade mandrel.

3.Tighten loose part(s), Replace damaged parts.

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