HONDA MM60 - Manual (Page 52)

MAINTENANCE
Seal
Seal
,
Vent
Gearbox gasket
Gear Box
Leakage Repair
1.
a sealant, is used on the outer
.-diameter of the seals. Substitute seals may not
meet original equipment specifications and
could
leakage..
2. Clean gearbox exterior to remove all foreign
material. When opening, use care to prevent
foreign material from entering gearbox.
3. To repair horizontal seal, or
leakage between cover and gearbox, remove
vent plug and drain gear lube from box. Re-
move leaking seal and replace (refer to Seal
Installation). Use
to prevent rolling. seal lip
under. Replace gasket between cover and.
gearbox.
Seal Installation
Proper seal installation is important. An improperly
installed seal
will leak and could result in bearing
Clean areas in housing where seal outer diam-
eter seats. Inspect gear shafts. Pay specific
attention to areas where seals seat. Check for
cracks, grooves, nicks or bumps. Replace
housing
or shaft if damage be repaired
by resurfacing with emery cloth.
2. Lubricate seal lip and carefully guide over shaft
using a blunt tool such as a letter opener. Be
not to roll seal lip under. Do not use a
knife as it will nick and ruin seal.
3. Place seal squarely on housing (spring-loaded
lip toward inside of gearbox). Select a seal
driver, a piece of pipe
or tubing with an OD that
will set on outside edge of seal but will clear
housing. A driver that is too small will bow seal
and ruin seal.
4. press seal into housing, preventing
distortion to metal seal cage. Seat vertical seal
flush with housing and horizontal seal against
shoulder in housing.
5. Distortion to seal case or damage to seal lip will
seal to leak. Remove and replace seals
damaged in installation.
6. Check for proper vent plug operation and fill
gearbox with
8 oz. of SAE gear lube.
50