Honda RM752A Operator's Manual page 24

1. Blade spindle
2. Sleeve
3. 1-3/4 x 2-3/8" Flat washer
4. Seal
5. Bearing cone
Spindle housing with cups
6.
7. Bearing cup
8. Grease fitting
Spindle shaft and crossbar
9.
Blade pin retainer washer
10.
Blade pin
QD
11.
12. 1/2 x 3/4" Nylok bolt
13. Key
14. Blade
Flgure 16. Blade Spindle Assembly
IMPORTANT NOTICE
of
Improper positioning
fallure.
Proper seal installation is important. An improperly
installed seal will leak and could cause bearing
failure.
Coat area of housing where seals seat, lightly with
Permatex.
Pull the rubber portion of seal back and locate
spring.
Apply a thin coat of lubricant to bottom seal and
install with spring up toward center of housing.
5
seals can cause seal
Place seal squarely on housing. Select a piece of
pipe or tubing with an outside diameter that will set
on outside edge of seal.
bow seal cage.
Carefully press seal into housing, preventing
distortion to metal seal cage. Seal should seat firmly
and squarely against machined shoulder in housing.
Make sure seal lip did not roll under. Distortion
or
seal cage damage to seal lip will cause seal to
leak. Damaged seals must be replaced.
Place bottom washer (3) on shaft and crossbar (9).
Place housing assembly with bottom seal (4),
bottom cone (5) and cup (7) installed over shaft and
crossbar Carefully guide seal over shaft and
(9).
press shaft into housing.
Fill housing cavity with a medium grade grease.
Place top bearing cone (5) and sleeve
Press sleeve and bearing onto shaft until all bearing
free play is removed and there is a slight drag
(similar to adjusting the front wheel bearings on an
automobile). Check by spinning spindle.
turn freely.
IMPORTANT NOTICE
Bearing adjustment
agalnst bearing until proper adjustment
attained. Adjustment is maintained by tack
shaft.
Be careful not to over-tighten bearings. Proper
bearing adjustment is essential to good bearing life.
Should you over-tighten bearings, hold spindle
housing and rap spindle shaft with a lead hammer
to loosen bearings. Adjust to obtain proper setting.
Place a damp rag over bearings to protect them.
Tack weld sleeve to shaft in two spots 180' apart.
Also tack weld top and bottom washers in
apart.
IMPORTANT NOTICE
When welding bottom washer, connect welder
ground dlcectiy to crossbar. When weldlng top
washer and sleeve, connect welder to top of
properly can cause.bearlngs to become welded
to shaft.
Install top seal with spring up away from center of
housing. Top seal should be flush with, to 1/16
above, housing.
22
tube that is too small will
A
on shaft.
(2)
It should
Is set by pressing sleeve
two spots
F-7756 (1 0-89)
to
is