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• Care should be taken to keep the blade balanced.
An unbalanced blade will cause excessive vibration
when running and eventual damage to mower and
engine.
• To check blade balance, drive a nail into a beam or
wall. Leave about one inch of the straight nail
exposed. Place center hole of blade over the head
of the nail. If blade is balanced, it should remain in a
horizontal position. If either end of the blade moves
downward, blade is not balanced. Sharpen the
heavy end until the blade is balanced.
ENGINE
ENGINE LUBRICATION
You must change the oil in the crankcase after the first
two (2) hours of operation and after each 25 hours of
use thereafter. CHANGE THE OIL MORE FRE-
QUENTLY IF USED IN SANDY OR DUSTY CONDI-
TIONS.
TO DRAIN OIL
• Disconnect spark plug wire from spark plug and
place wire where it cannot come in contact with
plug.
• Drain the gas tank.
• Remove the oil fill cap and dipstick.Turn and tip the
unit on its side with the carburetor up, and drain oil
into a suitable container.
Refill crankcase with oil. Refer to "ENGINE OIL
RECOMMENDATIONS" on previouspage.
• Replace oil fill cap and dipstick. Tighten cap
securely.
SPARK PLUG
Change your spark plug each year to make your
engine start easier and run better. Set spark plug gap
at .030 inch.
AIR FILTER (See Figure 10)
IMPORTANT:
NEVER
RUN
ENGINE
WITHOUT
COMPLETE
AIR
CLEANER
INSTALLED
ON
ENGINE.
A. TO SERVICE FILTER:
PAPER FILTER:
Do not attemptto clean or oil tilter.
• Replace once a year or every 100 operating hours,
more often if used in extremely dusty conditions.
• Replacement filters are available at any Authorized
Sears Service Outlet.
FOAM FILTER (if so equipped):
Clean and re-oil every throe (3) months or every 25
operating hours, Clean and re-oil daily if used in
extremely dusty conditions,
• Wash in water and detergent solution and squeeze
(don't twist) until all dirt is removed.
•
Rinse thoroughlyin clear water.
• Wrap in a clean cloth and squeeze (don'ttwist) until
completely dry.
• Saturate with engine oil and squeeze (don'ttwist) to
distributeoil and remove excess oil.
B. TO REMOVE AND INSTALL FILTER:
• Remove cover from body by looseningcover screw.
Do not remove screw from cover.
• Swing cover downto remove from hinge.
• Inspect filter for discolorationor dirt accumulation.If
either is present, service per preceding "TO SER-
VICE FILTER" instructions.
• Clean inside of body and coverthoroughly.
• Install filter in body.
• Install cover on body by aligning hinge between
body and cover. Swing cover upward against body.
Tighten cover screw securely.
Screw
Filter
Cover
FIGURE 10.
Hinge
CLEANING
,_
WARNING: DISCONNECT SPARK PLUG
WIRE FROM SPARK PLUG AND PLACE
WIRE WHERE IT CANNOT COME IN CON-
TACT WITH THE SPARK PLUG.
• Turn mower on its side with carburetor and air filter
up.
• Clean the underside of your mower after each use
by scraping to remove build-up of grass clippings,
leaves, dirt or other matter, if this debris is allowed
to accumulate, it will invite rust and corrosion, and
may prevent proper mulching.
• Clean your mower and engine often to keep build-
up of grass or debris from accumulating around
engine. A clogged engine runs hotter and shortens
engine life.
NOTE: We DO NOT recommend usinga garden hose
to clean mower unless the electrical system, muffler,
air filter and carburetor are covered to keep water out.
Water in engine can result in shorteningengine life.
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