Sears 143.996706 - Manual (Page 4)

STARTER ROPE
NO SLACK PERMISSIBLE
Figure 4
SPARK PLUG WIRE
RETAINING POST
SPARKPLUG
Figure 5
MAINTENANCE
Rgure 6
A WARNING - TEMPERATURE OF MUFFLER AND NEARBY
A a REAS may exceed 150»F (GS^C). avoid THESE AREAS.
0
CHECK OIL LEVEL:
Check oil level every five (5) operating hours or each time engine
is used. See “3 CHECK OIL LEVEL' in “BEFORE STARTING" on
Page 2.
CHANGE OIL:
Change oil after first two (2) operating hours and every 25
operating hours thereafter, more often if operated in extremely
dusty or dirty conditions. Change oil while engine is still warm
from recent running.
A. DISCONNECT SPARK PLUG WIRE FROM SPARK PLUG
AND ATTACH IT TO RETAINING POST (see Figure 6).
”B Position equipment so engine oil drain plug is lowest point
on engine.
C. Remove oil drain plug and oil fill plug to drain oil (see Figure
1 ).
D. Replace oil drain plug and tighten securely.
E.
Fill oil sump with recommended oil. See “OIL & FUEL
RECOMMENDATIONS’and “CHECK OIL LEVEL" on Page
1
. .
F. Replace oil fill plug and tighten securely.
G. Connect spark plug wire to spark plug.
H. Wipe up any spilled oil and/or gasoline.
NOTE: If it is difficult to reach the oil drain plug, drain fuel.
Remove oil fill plug and tip mower on its side. Drain oil
into a suitable container.
*
AIR CLEANER (see Figure 7):
A!
NEVER RUN ENGINE WITHOUT COMPLETE AIR CLEANER
NSTALLED ON ENGINE.
A. TO SERVICE FILTER:
PAPER FILTER:
DO NOT ATTEMPT TO CLEAN OR OIL FILTER.
Replace filter once a year or every 100 operating hours, more
often if used In extremely dusty or dirty conditions.
Replacement filters are available at any Sears Roebuck and
Co. (or Sears Canada, Inc.) Service Center.
MAINTENANCE
(Continued)
FOAM FILTER:
Clean and re-oil every three (3) months or every 25 operating
hours. Glean and re-oil daily if used in extremely dusty
conditions.
A. Wash in water and detergent solution and squeeze (don’t
twist until all dirt is removed.)
B. Rinse thoroughly in clear water.
C. Wrap in a clean cloth and squeeze (don’t twist) to distribute
oil and remove excess oil.
B. TO REMOVE AND INSTALL FILTER:
1. Remove cover from body by loosening wing nut.
Swing cover down to remove from hinge.
2. Inspect filter for discoloration or dirt accumulation. If either
Is present, service per preceding “TO SERVICE FILTER*
instructions.
3. Clean inside of cover and body thoroughly.
4. Re-install filter in body.
5. Install cover on body by aligning hinges between body and
cover. Swing cover upward against body. Tighten wring nut
securely.________________________________ _____
WING NUT
OVER
BODY
Figure 7
0 SPARK PLUG (see Figure 8):
This spark ignition system meets all requirements of the Canadian
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.
Remove and Inspect spark plug.
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.
Check electrodes gap with wire feeler gauge and set gap at
.030 if necessary.
Install spark plug, tighten securely.
B.
C.
D.
E.
ELECTRODES
.030 GAP-
PORCELAIN
Figure 8
Page 3 181-1103-11