3.
Using an arbor press, push the bearing cups into the
top and bottom of the spindle housing. The top bearing
cup must contact the outer bearing spacer previously
installed, and the bottom bearing cup must contact the
large snap ring. Make sure that the assembly is correct
bysupporting thefirstbearing cupandpressing thesec-
ond cup against it (Fig 7).
PRESS
4
3
4.
grease on lips of oil seals.
Pack the bearing cones with grease. Apply a film of
1
6
2
5
5.
Install lower bearing cone and greased oil seal into
bottom of spindle housing. Note: The bottom seal must
have the lip facing out (down) (Fig. 8). This seal installa-
tion allows grease to purge from the spindle during the
lubrication process.
Figure 7
4.
5.
6.
1.
2.
3.
Bearing cups
Large snap ring
Large spacer
Arbor press
Support
Arbor press base
IMPORTANT: If bearings are being replaced, make
sure to use the spacer ring that is included with the
new bearing set (Fig. 6).
2
6.
Slide spacer ring and inner bearing spacer into
spindle housing, then install upper bearing cone and
greased oil seal into top of housing. Note: The upper
seal must have the lip facing out (up) (Fig. 8).
7.
Inspect the spindle shaft and shaft spacer to make
sure there are no burrs or nicks that could possibly dam-
age the oil seals. Lubricate the shaft and spacer with
grease.
8.
sleeve or tape on spindle shaft splines to prevent seal
damage during shaft installation.
Install spindle shaft spacer onto shaft. Place thin
1
9.
Carefully slide spindle shaft with spacer up through
spindle housing. The bottom oil seal and spindle spacer
should fit together when the spindle is fully installed.
Figure 8
1.
Bottom seal installation
2.
Upper seal installation
10.Thread
spindle nut onto shaft and tighten nut from
130
to 160 ft--lb (177 to 216 N--m).
IMPORTANT: Pneumatic grease guns can produce
high pressure inside spindle housing that can dam-
age spindle seals. Pneumatic grease guns, there-
fore, are not recommended to be used for greasing
of spindle housings.
11.
Attach a hand pump grease gun to one of the grease
fittings on housing and fill housing cavity with grease.
12.Rotate
spindle shaft to make sure that it turns freely.
blade spindle assembly to cutting deck (see
13.Install
Blade Spindle Installation in this section).
Groundsmaster 4300--D
Page 7 -- 11
Cutting Decks
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 4300 D |
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| Document Type | Catalog |
| Language | English |
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