Craftsman 636.796670 - Manual (Page 6)

Carburetor
Proper adjustment of the carburetor is very important to
the operation of this engine. The carburetor has been
carefully adjusted at the factory and therefore should
not require any further adjustment,.
Adjustment of Engine Idling
If the blade happens to run in idling, adjust the cable
adjuster of the throttle wire to stop blade movement in
idling.
STORAGE AFTER OP6RATIOÜ
1 Clean every part, repair faulty sections, and apply a thin
coat of oil on metal parts to prevent rust. In cleaning
the machine, always use a dean cloth. Never use strong
solvents, such as gasoline
2, If the BUSHWACKER will not be used for a long
period of time, drain the fuel from the tank, then start
the engine and keep the engine running until it consumes
all the fuel left in the carburetor.
3. Store the BUSHWACKER in a clean and dry place.
Always keep children away from the machine.
4 Remove the spark plug, inject a small amount of engine
oil through the spark plug hole. Then puli the recoil
starter a few times to put a thin coat of oil on the cylin­
der, Install the spark plug again when the piston has
stopped at a top dead center.
It is important to prevent gum deposits from forming in
essential fuel system parts such as the carburetor, fuel filter,
fuel hose, or tank during storage Also, experience indicates
that alcohol blended fuels (called gasohol or using ethanol or
methatiol) can attract moisture which leads to separation and
formation of acids during storage Acidic gas can damage the
fuel system of Jtv engine while in storage
To avoid irrobleitrs, the fuel system should be emptied
before stor.itji; ni 30 days or ¡onoer. Follow these instructions:
SLAiSB AWUSTMSMT
(Performed with engine stopped.)
The blades wear with use when you notice a decrease in
cutting performance adjust the blades as follows.
(1) Loosen lock nut.
(2) Tighten truss head screw lightly until it stops
turning. Then turn it back one-fourth to one half
turn.
(3) Tighten lock nut. Lubricate the blades after adjust­
ments.
(4) Start the engine and operate the blades at high
the speed for a minute or so,
(5) Stop the engine and carefully feel the blades with
your hand. If they are just warm to the touch, you
have made the proper adjustments, but if they are
too hot for you to keep touching them, repeat
steps #1. #2 and #3 above backing off slightly more
on the screw
Note; Never fail to stop the engine before making the
adjustments.
PRS¥BMTATiVl ^AlMTEIIATOl CHECK
LIST AMO STORAGE TIPS
Be sure the engine and all other parts are dean.
Check all nuts, bolts, screws, etc. making sure they are
tightened and secured as they should be.
inspect carefully for any fuel or oil leaks.
Check the air cleaner assembly for excessive dust or dirt.
If the filter requires cleaning, use the following
procedure: Remove the filter and wash in soap and
water or blow off with compressed air. DO NOT clean
filter in gasoline or other flammable solvent,
Inspect the muffler exhaust port (tall pipe). If there Is
any clogging, remove carbon particles adhering to it.