Air Filter; Spark Plug; Drive Shaft Lubrication - Craftsman WEEDWACKER 358.798430 Operator's Manual

CUSTOMER RESPONSIBILITIES
EVERY 5 HOURS
CLEAN AIR RLTER (Fig. 15) •
A dirty air filter decreases the life and performance of the
engine and increases fuel consumption and harmful emis-
sions.
Always clean after 5 tanks of fuel or 5 hours of operation.
Clean more frequently in dusty conditions.
• Loosen the screws on the air filter cover enough to
remove the cover from the engine,
• Remove air filter from cover.
i ash filter in warm soapy water. We recommend a mild
solution of dish washing liquid.
Rinse air filter thoroughly in clean water.
_ueeze air filter dry and replace in cover.
Re-install the air filter cover, making sure the choke exit
slot is placed over the choke lever.
Figure 15
EVERY 25 HOURS
CLEAN AND INSPECT SPARK ARRESTOR
SCREEN AND MUFFLER (Fig, 16)
As the unit is used, carbon deposits build up on the muffler
and spark arrestor screen (if installed), and must be
removed to avoid creating a fire hazard or affecting engine
performance.
Required cleaning is every 25 hours of operation or annu-
ally, whichever is less.
Replace the spark arrestor screen if breaks occur.
CLEANING THE SPARK ARRESTOR SCREEN
° Loosen and remove the 2 muffler guard screws.
Remove the muffler guard.
Remove the muffler cover retaining springs.
Remove muffler diffuser and spark arrestor screen
assembly. Notice the orientation of these parts for
reassembly.
i Clean the spark arrestor screen with a wire brush or
replace if breaks are found in the screen.
Replace any broken or cracked parts.
Reinstall diffuser and spark arrestor screen assembly.
Reinstall muffler cover and the two muffler cover retain-
ing springs.
° Reinstall muffler guard and the two muffler guard screws
(15-20 ft.lbs.)
DRIVE SHAFT LUBRICATION (Fig. 17)
* Loosen the nose cone screws.
. Remove the tube from the nose cone.
° Remove the drive shaft from the tube.
° Check drive shaft for broken wires, twists or kinks, and
replace if damage is found.
o Usinga clean cloth, wipe surface of drive shaft thor-
oughly to remove any grease or dirt.
° Apply a uniform coat of lithium base grease to the entire
surface of the drive shaft.
i nject the remaining contents of the grease tube into the
top of the tube.
Replace drive shaft in the tube.
Re-assemble the tube in the nose cone. Tighten screws
securely.
__ DRIVE SHAFT
J
Figure 17
YEARLY
REPLACE SPARK PLUG (Fig. 18)
The spark plug.,_houldbe replaced each year to ensure the
engine starts easier and runs better. Sark plug gap should
be .025.
Twist, then pull of spark plug boot.
Remove spark plug from cylinder and discard.
Replace with correct spark plug and re-tighten with spark
I_lug wrench (! 0-12 ft.lbs.)
Reconnect spark plug boot.
..__.._____.--.. SPARK PLUG
SPARK PLUG
BOOT
Figure 18
Figure 16 - 15 -