Sears 536.25587 owner manual Troubleshooting Poiaits, Faulty sparkplug 7 Dirtyfuelfilter

TROUBLESHOOTING POIAITS

PROBLEM

Will not start

Hard to start

Engine will not turn over

Engine clicks but wall not start

Loss of power

Excessive vibration

Unit will not

propel itself when clutch is engaged

CAUSE

1Out of fuel

2Engine not "CHOKED" properly.

3Engine flooded.

4, Bad spark plug.. 5,. Dirty air filter

6+ Dirty fuelfilter

7.Water in fueL.

aLoose or damaged wiring

9.Carburetor out of adjustment

10.. Engine valves out of adjustment

1.Dirty air filter 2, Bad spark plug

3.Weak or dead batter:/

4.Dirty fuel fiiter

5Stale or dirty fuel

6Loose or damaged wiring

7Carburetor out of adjustment

8, Engine valves out of adjustment

1.Brake-clutchpedal not depressed

2Mower clutch lever is engaged

3.Weak or dead battery.

4Blown fuse

5.Corroded battery terminals

6Loose or damaged wiring 7, Faulty ignition swatch

8, Faulty solenoid

9, Faulty operator presence switch(es)

t, Weak or dead battery

2,, Corroded battery terminals

3Loose or damaged widng

4Faulty solenoid or starter.

1Cutting too much grassttoo fast.

2Throttle in "CHOKE" position.

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

4+ Dirtyair filter.

5 Lowoillevelldirtyoil

6 Faulty sparkplug

7 Dirtyfuelfilter

8, Staleor dirtj fuel

9Waterin fuel

t0 Spark plug wire loose

11Dirty engine air screen/fins 12, Dirty clogged muffler.

!3 Loose or damaged wiring

14 Carburetol' out of adjustment

15Engine valves out of adjustment

Worn, bent or loose blade

2, Clutching idler assembly worn or damaged

3Loose/damaged parts

1.Sheared or missing engine, transmission or transaxie pulley(s) key,

2.Transaxte not operable,

3Relief valve rod incorrectly positioned (Units with hydrostatic ddve transmissions only)

CORRECTION

1.Fil! fuel tank

2.See TO START ENGINE in Operation section

3Wait several minutes before attempting to start

4..Replace spark plug

5..Clearffreplace air rifler

6Replace fuel filter

7Drain fuel tank and carburetor, refill tank with fresh

gasoline and replace fuel fi_ter

8Check all widng,

gContact Sears Service Department,

10 Contact Sears Service Department,

t, C]earVrep]ace air filter

2Replace spark plug

3Recharge or replace battery

4+ Reptace fuel filter.

5 Drain fuel tank and refil! tank with fresh gasoline

6.Check all wiring.

9.Contact Sears Service Department..

t0 Contact Sears Service Department

1Depress brake+clutchpedal

2Disengage mower clutch Iever

3Recharge or replace battery..

4Replace fuse

5 Clean battery terminals

6 Check all wiring

7 CheckJrepiace ignition swatch

8 Check/replace solenoid or starter

9 Contact Sears Service Department.

1 Recharge or replace battery.

2Clean battery terminals

3Check all wiring

4Check/replace solenoid or starter

1Set [n "Higher Cut" pos[tionfreduce speed

2Adjust throttle control

3Clean underside of mower housing

4CIearffrep]ace air filter.

5Check oil level/change oil

6Clean and re-gap or change spark plug

"7 Replace fuel filter,

8Drain fuel tank and refill tank with trash gasoline

9Drain fuel tank and carburetor, refiU tank with fresh

gasoline and replace fuet filter

10Connect and tighten spark plug

1t Clean engine air screen/fins.

12Clean/repEace muffler.

13Check all wiring.

14Contact Sears Service Department

t5 Contact Sears Service Department

1Replace blade Tighten blade boil

2Replace clutching idler assembly.

3Tighten loose part(s). Replace damaged parts

1.+ Replace key

2Contact Sears Service Department

3Stop unit and place relief valve rod in NORMAL position

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