Lubrication; Spark Plugs; Air Cleaner; Engine - Craftsman 536.797540 Owner's Manual

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O Remove the oilfill cap (see Fig,,7A),
e Fill the engine crankcase, pouring slowly. Do not
overfill. Foi" approximate capacily see PRODUCT
SPECIFICATIONS on page 3 of this manual,
e Reinstall the 0il fill cap and tighten securely,
NOTE: The quill assembly bearings are factory sealed
and will require no lubrication.
e Reconnect the spark plug wire on the spark plug.
i=,l '_1 = r_l _Vl, Ii r I ,=,,=l,,ul_ H"
F.o=
V
OIL DRAIN PLUG
,,,_,_,r: :_: : :: FIG, 8
AIR CLEANER
Replace the filter once a year; more often under dusty or
dirtyconditions°DO NOT attempt to clean or oll the air
filter,
To instalta new air filter, do the following:
e Disconnectthe spark plug wire from the spark plug.
e Turn the cover (See Fig. 9) to the left (counterclock-
wise) and remove the cover and the air filter from the
flanger
@ Discard the air filter.
e Clean the cover and the flange thoroughly_
e Insert the new air filter into the cover.
@ Push the cover firmly against the flange and turn it to
the right (clockwise) as far as it wilt go (See Fig,,9. Be
sure the retainers are locked around the flange,
• Reconnect fhe spark plug wire_
CAUTION: NEVER RUN THE ENGINE
WITHOUT THE AIR CLEANER ELEMENT
INSTALLED. A DEFECTIVE AIR
CLEANER CAN RESULT IN LOSS OF
ENGINE POWER AND CAN CAUSE EX-
CESSIVE WEAR OR DAMAGE TO THE
ENGINE COMPONENTS IF DIRT OR
Dus'r IS PERMITTED TO ENTER THE
ENGINETHROUGH THE CARBURETOR,
A DAMAGED AIR CLEANER, OR ONE
THAT IS CLOGGEDWITH DUSTOR DIRT
SHOULD BE REPLACED IMMEDIATELY°
IIIIIII IIII ii i i
TURNCOVER
TOTHE _
(COUNTER.
CLOCKWISE)
TO REMOVE
FLANGE
SLOT
TAB
FILTER
RETAINER
COVER
FIG. 9
TURN COVER
TO THE RIGHT
(CLOCKWISE)
TO INSTALL
"1
SPARK PLUG
Clean the spark plug and =reset the gap periodically.
Clean the area around the spark plug base, before
removal, to prevent dirt _[om entering into the engine.
Replace the spark plug if the electrodes are pitted or
burned or ifthe porcelain is cracked. Clean the spark plug
by carefully scraping the electrodes (do not sand blast or
use a wire brush). Be sure the spark plug isclean and free
of foreign material. Check the electrodes gap with a wire
feeler gauge and reset to ,,035 if necessary. If a new
spark plug isneeded, refer to the Engine Operation and
Maintenance manual for the proper replacement spark
plug
Before reinstalling the spark plug, coat the threads lightly
with graphite or light oil to insure easy removal° Tighlen
the spark plug lirmly into the engine,, If a torque wrench
is available, torque the spark plug to 15 foot- pounds_
13