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SPARK PLUGS
Replace both spark plugs every 100 operating hours, as follows:
1. Remove wires from spark plugs.
2. Use 13/16 inch spark plug wrench (or deep
socket) to remove both spark plugs. Turn
plugs counterclockwise to remove.
3. Use Champion RJ-8, Auto-Lite A-71, or' AC
plug GC-46 replacement spark plugs. Set gap
on plug to 0°030 inch, using a wire spark plug
gauge_
4. Install both spark plugs with new gasket.
Tighten plugs hand tight until gasket con-
tacts spark plug seat firmly° Then use spark
plug wrench to tighten about 3/_ of a turn
more,_ (NOTE: -lf torque wrench is available,
tighten spark plug to 200 inch-Pounds.)
°030" Feeler Gauge
CLEAN FUEL TANK
About every 100 hours of operation or every 3
months (whichever comes first), clean the
fuel tank. Pour about a quart of clean gasoline
into tank, shake vigorously, then empty tank
completely° Move hose retainer sideways so
it will fit through tank filler oDening, and
remove filler cap. Inspect fuel pickup screen
for clogging. Clean, if necessary.
FUEL TANK
FILLER CAP
/
.... FUEL PICKUP HOSE
i HOSE RETAINER
FUEL PICKUP SCREEN
INSPECT COOLING FINS
Grass particles, chaff, dirt or grease can clog
the cooling fins on the engine. Continued
operation with a clogged cooling system will
result in overheating and possible engine
darnage. Illustration at right shows blower
housing removed and area to be cleaned. In-
spect cooling fins and clean, if necessary,
every 100 operating hours°
CLEAN AREA OF
ALL DIRT AND D_BR_S
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