3.
Loosen the knob and lift off the cylinder cover.
4.
Remove and clean the tail, gasket and spark
arrester with a safety solvent and a stiff brush. If
any part cannot be thoroughly cleaned, it must be
replaced.
5.
Reinstall the spark arrester and tail onto the muf-
fler, then reinstall and tighten the two socket head
screws.
6.
Reinstall the cylinder cover and the air cleaner
cover.
Exhaust Muffler
Maintenance Interval
The muffler should be inspected and cleaned after each
100 hours of use.
Muffler Maintenance
1.
With the engine at ambient (room) temperature,
loosen the knob and remove the air cleaner cover.
2.
Twist the high tension lead boot on the spark plug
back and forth a couple of times to loosen the
boot, then pull the boot off of the spark plug.
3.
Loosen the knob and lift off the cylinder cover.
4.
Remove the spark arrester (see spark arrester
maintenance), Clean the muffler with a stiff brush.
IMPORTANT: Don’t use solvent for cleaning
inside of muffler, because of the catalytic con-
verter in muffler.
Be careful not to allow any dirt or debris to fall
into the exhaust port, as this can cause engine
damage.
5.
Reinstall the spark arrester and tail onto muffler,
then reinstall and tighten the two socket head
screws.
6.
Reinstall the cylinder cover and the air cleaner
cover.
Flexible Drive Shaft Maintenance
Maintenance Interval
The Edger uses a flexible drive shaft inside the drive
shaft tube. The flexible drive shaft should be lubricated
after each 30 hours of use.
Flexible Drive Shaft Lubrication
1.
Loosen the two Phillips hex head screws holding
the gearcase to the drive shaft tube and carefully
remove the gearcase from the drive shaft tube.
2.
Grip the end of the flexible drive shaft and remove
it from the drive shaft tube.
— US-24 —
Socket Head Screw
Tail
Spark Arrester
Drive Shaft Tube
Flexible Driveshaft
Gearcase
#2 Lithium-base
Bearing Lube
Phillips Hex Head
Screw (2)
