Sears 358.79828 - Manual (Page 21)

CUSTOMER RESPONSÎBIUTIES
iECK FOR LOOSE FASTENERS/PARTS
Blade Nut
Dual Line Head Nut
Handlebar, Mounting Bracket, and Thumb Screw
Throttle Handle
Minder Cover/Muffler Guard
itir Filter Cover
Muffler
Searbox
CCK GEAR BOX LUBRICATION
29 )
Jltnally ft is rtot necessary to change the grease except
!fing service of the gearbox assembly
Remove the gearbox plug to check the grease level.
Grease level should be 3/4 full. Use a general purpose
lithium base grease.
EAN AIR FILTER (Fig. 30 )
Itrty air filter decreases the life and performance of the
line and increasesfuel consumption and harmful emis*
is. ■ , _ ■ ■ '
(ays clean after 5 tanks of fuel or 5 hours of operation,
chever is less. Clean more frequently in dusty condi-
œ.
Loosen the screw on the air filter knob enough to re-
nrove the cover from the engine,
l^emove air filter from cover.
Wash air filter in soap and water.
Squeeze air filter dry and replace in cover, .
Reinstall the air filter cover, making sure the choke exit
slot is placed over the choke lever.
Air Rller
^ Air Rlter Knob
Choke Lever
Cover
REPLACE SPARK PLUG (Fig. 31 )
The spark plug should be replaced each year to ensure ffie
engine starts easier and njns better.
Spark Plug gg^ should be .020".
• Loosen 4 screws from cylinder cover vwth hex key.
Remove cylinder cover.
• Pull off the spark plug boot
• Remov® and discard the spark plug from the cylinder.
• Replace with correct spark plug and tighten with blade
nut/spafk plug wrendi (10-12 Ib-ft),
• Cover spark plug with spark plug boot
• B^lace the cylinder cover making sure the muffler
.... guard interlocks with the crank case assembly. Insert 4
screws and tighten securely.
Screws
Spark Plug.__ f
Spark Plug Boot
Cylinder Cover
Muffler Guard
Cylinder
Figure 30
Figure 31
INSPECT MUFFLER AND
SPARK ARRESTOR SCREEN (IF INSTALLED)
As the unit is used, carbon deposits build up on the muffler
and spark arrestor screen (if installed), and must be re­
moved to; avoid creating a fire hazard or affecting engine
performance.
Required cleaning is every 10 hours of operation.
Replace the spark arrestor screen if breaks occur.
CLEANING THE SPARK ARRESTOR SCREEN
• Di$(x>nnect the spark plug wire. .
• Remove the spark arrestor screen. (Referto the Spark
Arrestor Screen Assembly section of this manual).
• Clean the spark arrestor screen with a wire brash or re­
place if breaks are found in the screen.
• Reassemble parts. (Refer to the Spark Arrestor
Screen Assembly section of this manual).
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