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MAINTENANCE
(Continued)
(_)
AIR CLEANER:
IMPORTANT:
NEVER
RUN ENGINE
WITHOUT
coMPLETE
AIR
CLEANER INSTALLED ON ENGINE.
A.
TO SERVICE RLTER(S) (see Figure 3):
1. FOAM RLTER:
Clean and re-oil every throe (3) months or every 25 operating hours.
Clean and re-oil daily if used in extremely dusty conditions.
a. Wash in water and detergent solution and squeeze (don't twist)
until ail dirt is removed.
b. Rinse thoroughly in clear water.
c. Wrap in a clean cloth and squeeze (don't twist) until completely
dry.
d. Saturate w_h engine oil and squeeze (don't twist) to dlatdbuts oil
and remove excess oil.
2.
PAPER OR FOAM/SCREEN
FILTERS:
DO NOT ATrlEMPT TO CLEAN OR OIL FILTER
B.
TO
Replace once a year or every 100 operating hours, more often if
used In exlmmely dusty condiflans.
Replacement filters ere available at any naerby Sears Roebuck and
Co. (or Sears Canada, Ins.) Service Center.
REMOVE AND INSTALL RLTER(S):
".:
1. Remove wing nuts and cover.
2. Slide FILTER A off FILTER B.
3. I_
tiiter(s) for _i_o=o_ or_u_n_.
e _lther
present, service perpreceding "TO SERVICE FILTl_R(S)'lnstructions.
4. Remove nutsand FILTER B. Discard FILTER B and nuts (if service
is necessary).
5. Clean inside of cover and body thoroughly.
6. Instatl new FILTER B and naw nuts. Tightan nuts tinger tight and than
turn one (t) more complete turn.
7. Stide foam tilter over paper tilter.
8. Install cover and wing nuts. Tighten wing nuts.
NUTS
A
(FOAM)
FILTER B
Figure 3
MAINTENANCE
(Continued)
®
SPARK
PLUG (see Figure4):
"l_is spark ignition system meets all requirements of the Canadian
Interference-Causing Equipment Regulations. This engine complieswith
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, bumed or porcelain is
cracked. For replacement use Champion RN4C or equivalent.
NOTE: A resistor spark plug must be used for replacement.
O. Check electrode gap with wire feeler gauge and set gap at .030 if
necessary.
E. Install spark plug, I_htan securely.
.030 GAP
FigtJre 4
(_) ALTERNATOR
AND BA'I-FERY (if so equipped):
A.
ALTERNATOR:
For electricalproblemssuchas inoperative starteror discharged
battery, see your nearby Sears Roebuck and Co. (or Sears
Canada, Inc.)ServiceCenterforfusereplacement ( ifsoequipped),
maintenanceand repairs.
B. SATrERY:
1.
When servicing battery, always connect cables to battely
exactly as they were before removal (ground cable to battery
negative [- or nng.] post). If incorrectly connected, alternator
won't charge battery. If this happens, see your Sears Roebuck
and Co. (or Sears Canada, Ins.) San/ice Center.
2. Never expose engine Ignltlen syatem to battery power, if battery
cable or any live wire contacts ignition system ground wire,
engine ignition system may be damaged.
3.
If extemoi battery charger is used, disconnect positive (+ or
po6.) cable from bettery to prevent possible damage.
4.
See battery manufacturer's Instructionsfor service and sforsga.
_)
COOLING
SYSTEM:
IMPORTANT:
Frequently remove any grass clippings, dirt and dobds
from cooling tins, air intake screen and levers and linkage (see Figures
I and 5).This will helpensurs edequate cooling andcorrect engine speed.
F_um 5
_k=_ CHECK ENGINE AND EQUIPMENT OFTEN FOR LOOSE NUTSI
BOLTS AND ATTACHMENTS
AND KEEP THESE ITEMS_
TIGHTENED.
I
Page 3
181-1197-11
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