To Sharpen Blade; Air Filter; Engine Lubrication; To Drain Oil - Craftsman 247.384260 Owner's Manual

4 horsepower 4 cycle engine 20" rotary iviulching mower
Table of Contents

Advertisement

TO SHARPEN BLADE:
e The blade can be sharpened with a file or on a grind-
ing wheel
Do not attempt to sharpen while on the
mower
e Care should be taken to keep the blade balanced
An unbalanced blade will cau_._e 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 _nch cf the stra+ght nail ex-
posed. Place center ho+e of blade over the head of
the nai!. If blade is balanced, it should remain in a
horizontal position
if either er+dof the blade moves
downward,
blade is not balanced.
Sharper_ the
heavy end until the blade is balanced
AIR FILTER
Your engine will not run properly an :t may be damaged
by using a dirty air filter..
Replace the air filter every year, more often if you mow
in very dusty, dirty conditions
Do not wash air filter
TO CHANGE-" AIR FILTER (See Fi;]ure 13):
e Remove
1he air filter cover by turning
counter-
clockwise to the stop and Dull away from collar
o Remove filter from inside of cover
e Clean the +nside of the cover and the collar to
remove an_ dirt accumulation
• Insert new Iilter into cover
e Put air filter cover and filler into collar aligning the
lab with the slot.
e Push in on cover and tt.rn cloct;wise to lighten
ENGINr
ENGINE LUBRICATION
You must change the oil in the crankcase after the first
two (2) hours of operation and after each 25 hours of
tJse thereafter CHANGE THE O11.. M ORE FREQUENT-
LY IF LISED tN SANDY OR DLISTY COI',IDI [+IONS
TO DRAIN OIL (See Figure 12)
e Disconnect
spark plug wire _rom spark plug and
place wire where it cannot come in contact with plug.
® Drain the gas tank and then turn the mower on its
side with the carburetor side ui:)and remove oil drain
plug
e Set the mower down and drain oi! into a flat pan
NOTE: Oil will drain more freely when warm
e Replace oil drain plug, tighten firmly.
e Refill crankcase with oil Refer to BEFORE START-
ING ENGINE in operation see:Lion on page 9 of this
manual
Oil Drain
Plug
FIGURE 12.
Bottom of Encjine
SPARK PLUG
Change your spark plug each yea_ to make your engine
start easier and run better Set spark plug gap at .025
inch.
Collar
Sh
Air Flit /
FIGURE
13,
Tab
Turn
Clockwise
To Remove
+, T urn Clockwise
To Tighten
Air Filter Cover
11
CLEANING
@
O
O
WARNING: DISCONNECT
SPARK PLUG
WIRE FROM SPARK PLUG AND PLACE
WIRE WHERE IT CANNOT COME IN CON-
TACr WiTH THE SPARK PLUG.
Turn mower on its side with carburetor
up
Clean the underside of your mower after each use
by scraping t+oremove build-up of grass clippings,
leaves, dirt or other matter, tf 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 using a 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 shorlening
engine life..

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents