Spark Plug; Cooling System - Craftsman 143.994024 Operator's Manual

MAINTENANCE (Continued} MAINTENANCE (Continued}
(_ AIR CLEANER (see Figure4):
NEVER RUN ENGINE WITHOUT COMPLETE AIR CLEANER
INSTALLED ON ENGINE.
Replace filter once a year or more often if used in extremely dusty
or dirty conditions.
DO NOT ATTEMPT TO CLEAN OR OIL FILTER.
Replacement filters are available at any Sears Roebuck and Co,
(or Sears Canada, Inc.} Service Center. To install new filter,
proceed as follows:
A. Turn cover to the left (counterclockwise)and remove it and
filter from flange, Discardfilter.
B. Clean cover and flange thoroughly.
C. Insert new filter into cover.
D. Position cover and filter against flange with tab on cover
inserted into lower left corner of slot in flange.
E, Push cover firmly against flange and turn it to the right
(clockwise) as far as it will go. Be sure retainers are locked
around flange.
SLOT
FLANGE
FILTER CLOCKWISE)
TO REMOVE
RETAINER
TAB
TO THE RIGHT
(CLOCKWISE)
TO TIGHTEN
(_) SPARK PLUG (see Figure5}:
This spark ignition system meets all requirements of the Cana-
dian Interference-Causing EquipmentRegulations. This engine
complieswith all currentAustralian and New Zealand limitations
regarding electromagnetic interference.
Check spark plug yearly or every 100 operating hours
A. Clean area around spark plug.
B. Remove and inspect spark plug.
C. Replace spark plug if electrodes are pitted, burned or porce-
lain is cracked, For replacement use Champion RJ-19LM or
equivalent.
NOTE; A resistorspark plug must be used for replacement.
D, Check electrodes gap with wire feeler gauge and set gap at
.030 if necessary.
E. Install spark plug, tighten securely,
ELECTRODE_
Figure 5
(_) COOLING SYSTEM (see Figure 1):
IMPORTANT: Frequently remove any grass clippings,dirt and
debris fromcoolingfins, air intake screen and levers and linkage
(see Figure 1). Thiswill helpensure adequate coolingand correct
engine speed.
®
_k CHECK ENGINE AND EQUIPMENT OFTEN FOR LOOSE NUTS 1
BOLTS AND ATTACHMENTS, AND KEEP THESE ITEM_
I TmHTe.ED. !
F_ure 4
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