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Blade Spindle Assembly
Bearing cups and cones are designed to work
1.
together. It is important to position them so
bearing cone taper mates with bearing cup
taper.
2. Lubricate new cups with a light oil. Place them
in spindle housing so they will mate with cones.
Seat cups against machined shoulder of hous-
ing with a press or by placing a large drift on the
flat lip and driving them into housing.
3. Place bottom bearing cone onto spindle shaft
with taper up. Seat on bottom shoulder of shaft
with a press.
4. Insert shaft and bearing cone assembly through
bottom of housing.'Fill housing cavity with a
lithium grease of
(molybdenum disulfide) additive.
5. Place top bearing cone on shaft to mate with
top bearing cup.
Bearing adjustment is set by
pressing sleeve against bearing cone until
proper adjustment
6. Install sleeve on shaft and press sleeve and
bearing cone 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. It
should turn freely.
Be careful not to over-tighten bearings. Proper
6.
bearing adjustment
life.
7. Should you over-tighten bearings, hold spindle
housing and rap spindle shaft with a lead
hammer to loosen bearings. Readjust bearings
until proper setting is obtained.
Improper positioning
can cause seal failure.
8. Proper seal installation is important.
erly installed seal will leak and could cause
bearing failure.
spring.
I
consistency with a MOLY
is
attained.
is
essential to good bearing
o f
seals
An improp-
MAINTENANCE
3. Sleeve
Bearing cone
4.
5. Housing and cups
6. Cup
7. Shaft
Spindle Assembly
I
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