Shindaiwa PS344 PowerBroom Owner's/Operator's Manual page 17

Maintenance (continued)
300-hour maintenance
Gearcase Lubrication
The gearcase should be filled with 60 cc
(2.0 fl.oz.) of Mobil SHC634 Synthetic
Gear Oil. A maximum of 75-80 cc can be
used, but never to exceed 80 cc. Opera-
tion with excessive oil level will result
in high operating temperatures. Do not
overfill!
WARNING!
BURN DANGER! The gear-
case will be extremely hot after use!
Replacing the gearcase oil
1. Disconnect spark plug wire at
engine.
2. Remove the LH Drum and axle
assembly (as viewed from the operat-
ing position). Wipe the sideplate
clean and remove four screws (it
is not necessary to remove the
gearcase from the outer tube).
3. Turn gearcase side plate to break
the seal and lift the plate from the
gearcase.
Muffler Maintenance
If the engine becomes sluggish and low
on power, check and clean the spark
arrester screen.
WARNING!
Never operate the unit
with a damaged or missing muffler
or spark arrester! Operating with a
missing or damaged spark arrester
is a fire hazard and could also dam-
age your hearing.
1. Remove the the engine cover.
2. Remove the muffler.
3. Remove the spark arrester screen
and cover.
4. Clean the screen with a stiff bristle
brush.
5. Inspect the cylinder exhaust port for
any carbon buildup.
6. Reassemble parts in the reverse
order.
IMPORTANT!
If you note excessive carbon buildup,
consult with an authorized Shindaiwa
servicing dealer.
Turn gearcase side plate to break the seal
and lift the plate from the gearcase
It may be necessary to use a heat gun
to soften the sealer material.
4. Turn the gearcase to the LH side
and and allow all used gearcase oil
to drain into a small container.
5. Place the gearcase on the RH side
and supported so the outer tube
is parallel to the ground. Refill the
gearcase with 60 cc (2.0 fl.oz) of
Mobil SHC634 Synthetic Gear Oil
to the bottom of the chamfer on
the output gear. The correct oil
depth is 5/8" (15.5 mm). DO NOT
OVERFILL!
Engine
Cover
Screws
Fill the gearcase to the bottom of the
chamfer on the output gear.
DO NOT OVERFILL!
6. Inspect the sideplate for damage and
clean off all remaining liquid gasket
material with brake cleaner or ace-
tone. Coat the outer sealing flange of
the sideplate with silicon sealant.
7. Replace the cover and install the
four sideplate screws. Tighten
securely.
8. Reinstall the drum and axle assem-
bly. Refer to the section "Assembly:
Sweeper Assembly" for instructions.
Engine Cover
Muffler
Muffler Gasket
Spark Arrester Screen
Spark Arrester Cover
Cover Screws
Muffler Bolts
17