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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!
Turn the gearcase to the LH side 4.
and and allow all used gearcase oil to
drain into a small container.
Place the gearcase on the RH side 5.
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!
NOTE:
It may be necessary to use a heat gun
to soften the sealer material.
WARNING!
BURN DANGER! The
gearcase will be extremely hot after
use!
Replacing the gearcase oil
Disconnect spark plug wire at 1.
engine.
Remove the LH Drum and axle 2.
assembly (as viewed from the operat-
ing position). Wipe the sideplate clean
and remove four screws (it is not nec-
essary to remove the gearcase from
the outer tube).
Turn gearcase side plate to break 3.
the seal and lift the plate from the
gearcase.
Inspect the sideplate for damage and 6.
clean off all remaining liquid gasket
material with brake cleaner or acetone.
Coat the outer sealing flange of the
sideplate with Loctite Ultragrey Silicon
Sealant or Threebond No. 1104 Liq-
uid Gasket.
Replace the cover and install the four 7.
sideplate screws. Tighten securely.
Reinstall the drum and axle assem-8.
bly. Refer to the section “Assembly:
Sweeper Assembly” for instructions.
300-hour maintenance
Turn gearcase side plate to break the seal
and lift the plate from the gearcase
Fill the gearcase to the bottom of the
chamfer on the output gear.
DO NOT OVERFILL!
Maintenance (continued)