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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. Discard filter.
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
RN COVER
_'
TO THE LEFT
w
(COUNTER-
CLOCKWISE)
TO REMOVE
RETAINER
3OVER
TAB
TO THE RIGHT
(CLOCKWISE)
TOTIGHTEN
MAINTENANCE
(Continued)
(_)
SPARK
PLUG
(see Figure 5):
This spark ignition system meets all requirements of'theCanadian
Interference-Causing
Equipment
Regulations.
This engine
complies with all current Australian 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 porcelain
is cracked. For replacement use Champion RJ-19LM or
equivalent.
NOTE: A resistor spark 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.
ELECTRODES
,030 GAP
Figure 5
(_
COOLING
SYSTEM
(see Figure1):
IMPORTANT: Frequentlyremove any grass clippings,dirtand
debrisfrom coolingfins, air intakescreenand leversand linkage
(see Figure1).Thiswillhelpensureadequatecoolingandcorrect
engine speed.
(_) CHECK ENGINE AND EQUIPMENTOFTEN
FOR LOOSE NUTS, I
BOLTS
AND ATTACHMENTS,
AND KEEP THESE
ITEMS
n'
TIGHTENED,
Figure 4
Page 3
181-1228-11
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