Craftsman 536.797540 Owner's Manual page 17

TROU L SHOOTRNG
TROUBLE
Difficult starting
Englne runs erratic
Cutting blade falls to
turn
Blade fails to cut
properly
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Excessive vibration
CAUSE
Stale fuel
Defective spark plug
Clogged fuel fil!er
Blocked.fuel line or empty fuel tank
Carburetor out Of adjustment
Fouled spark plug
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Clogged air cleaner.• .......... .
= .
Jammed due to foreign object
Loose blade
Defective V-belt
Defective quill bearings
Damaged or worn blade
CORRECTION
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Drain fuel tank. Fill wilh fresh fuel
Clean and re-gap spark plug-.
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Replace fue!filtero ' '
Clean fuel line; check gas tank.
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Have caP'_Jretoradjusted.
C!ean and adjust gap.
Tap Clean or replace air cleaner,
Clear obstruction,.
Tighten blade retaining nuL
Replace the V-belL
Replace the bearings.
,i irH LIH..',i.l.....Hii
Reverse blade or replace blade,
Stop engine immediaiely; tighten all bolts. If
vibration continues, take the unit into the
nearest SEARS Service Center_
17