Troubleshooting - Craftsman 850 Serie Manual Del Operador

TROUBLESHOOTING CHART:
See appropriate section in manual unless directed to Sears service center
CAUSE CORRECTION
1,. Out of fuel.
2o Engine not"CHOKED"
properly°
3. Engine flooded.
PROBLEM
Will not start
Hard to start
Loss of power
4. Dirty air cleaner°
5. Water in fuel,
6_
7.
8o
9.
2.
3o
4,
5.
6_
I,
2.
3_
4.
Clogged fuel tank.
Loose spark plug wire.
Bad spark plug or
improper gap_
Carburetor out of adjust-
ment,
Throttle control not set
properly.
Dirty air cleaner.
Bad spark plug or
improper gap.
Stale or dirty fuel
Loose spark plug wire°
Carburetor out of
adjustmenL
Engine is overloaded.
Dirty air cleaner.
Low oil level/dirty oil
Faulty spark plug,
5. Oil in fuel.
6. Stale or dirty fuel.
7, Water in fuel,
8. Clogged fuel tank.
9,_ Spark plug wire loose,,
I0. Dirty engine air screen,
11. Dirty/clogged muffler.
12. Carburetor out of
adjustment,
13o Poor compression°
21
1. Fill fuel tank.
2_ See "TO START ENGINE" in
the Operation section,
3, Wait several minutes before
attempting to starL
4. Clean or replace air cleaner
cartridge,
5. Empty fuel tank and carbure-
tor, and refill tank with fresh
gasoline_
6. Remove fuel tank and clean.
7, Make sure spark plug wire is
seat ed properly on plugo
8. Replace spark plug or adjust
gap.
9, Make necessary adjust
merits.
1, Place throttle control in
"FAST" position,
2o Clean or replace air cleaner
cartridge,, 3. Replace spark plug or adjust
gap.
4. Empty fuel tank and refill with
fresh gasoline,.
5. Make sure spark plug wire is
seated properly on plug.
6o Make necessary adjust
merits.
1, Set depth stake for shallower
tilling.
2. Clean or replace air cleaner
cartridge.
3, Check oil levelfchange oil,
4, Clean and regap or change
spark plug,,
5, Empty and clean fuel tank
and refill, and clean carburetor°
6. Empty fuel tank and refill with
fresh gasoline.
7, Empty fuel tank and carbure-
tor, and refill tank with fresh
gasoline_
8. Remove fuel tank and clean,
9. Connect and tighten spark
plug wire.
10o Clean engine air screen,
11, Cleantreplace muffler°
12. Make necessary adjust
ments,
13. Contact a Sears or other
qualified service center.