Customer Responsibilities; Spark Plug; Drive Shaft Lubrication; Spark Arrestor Screen - Craftsman WEEDWACKER 358.798490 Operator's Manual

CUSTOMER
EVERY 5 HOURS
CLEAN AIR FILTER (Fig. 15)
A dirty air filter decreases the life and performance of the
engine and increases fuel consumption and harmful
emissions.
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.
" Clean the air filter using hot soapy water, Rinse with
clean cool water. Squeeze air filter dry and replace in
cove r
, Re-install the air filter cover, making sure the choke exit
slot is placed over the choke lever
(_ _ CHOKE
_m:_-_'J_'_ _-_'_'_AIR FILTER COVER
Figure 15
EVERY 25 HOURS
CLEAN AND INSPECT SPARK ARRESTOR
SCREEN (Fig. 16)
As the unit is used, carbon deposits buitd up on the muf-
fler 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
• Cfean 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 (t5-20 in Ibs ).
Figure 16
RESPONSiBILiTIES
.,,.i ..................
DRIVE SHAFT LUBRICATION (Fig. 17)
• Loosen the gear box clamp screw and the locating
screw from the gear box.
: Remove the gear box from the tube,
Remove the drive shaft from the tube..
= Check drive shaft for broken wires, twists or kinks, and
replace if damage is found.
• Using a clean cloth, wipe surface of drive shaft thor-
oughly to remove any grease or dirt
• Apply a uniformcoat of lithium base grease to the entire
surface of the drive shaft.
, Inject the remaining contents of the grease tube into the
top of the tube°
• Replace drive shaft in the tube.
o Re-assemble the gear box to the tube. Tightemscrews
securely.
'_,.T___./AUBE
TE THE DRIVE SHAFT
DRIVE SHAFT
TUBE "_
Figure 17
YEARLY
REPLACE SPARK PLUG (Fig. 18)
The spark plug should be replaced each year to ensure
the engine starts easier and runs better, Spark plug gap
should be .025"
,' Twist, then pull off spark plug boot.
• Remove spark plug from cy!lnder and discard
. Replace with correct spark plug and re-tighten with
spark plug wrench (10-12 ft,lb,)
• Reconnect spark plug boot,
rl r-r'l D
SPARKPLUG _,_..,.L---SPARK PLUG
BOOT
Figure 18
-15_