Blade Spindle Service
Disassembly (Fig. 5)
2
6
1.
Remove blade spindle from cutting deck (see Blade
Spindle Removal in this section).
4
2.
shaft.
Loosen and remove spindle nut from top of spindle
130 to 160 ft--lb
11
(177
to 216 N--m)
10
3.
Remove the spindle shaft from the spindle housing
whichmayrequiretheuseofanarborpress.Thespindle
shaft spacer should remain on the spindle shaft as the
shaft is being removed.
9
8
12
7
1
4.
Carefully remove oil seals from spindle housing not-
ing direction of seal lips.
4
5
5.
spacer ring to drop out of the spindle housing.
Allow the bearing cones, inner bearing spacer and
6.
cups and the outer bearing spacer from the housing.
Using an arbor press, remove both of the bearing
3
7.
housing. Removal of this snap ring is very difficult.
The large snap ring can remain inside the spindle
Assembly (Fig. 5)
Figure 5
1.
2.
3.
4.
5.
6.
Spindle housing
Spindle plug
Spindle shaft
Oil seal
Shaft spacer
Spindle nut
7.
8.
9.
10. Spacer set (2 piece)
11. Bearing
12. Large snap ring
Grease fitting (2 used)
Bearing
NOTE: Areplacement spindle bearing set contains two
(2)
bearings, a spacer ring and a large snap ring (items
Spacer ring
1,
2 and 3 in Fig. 6). These parts cannot be purchased
separately. Do not mix bearing set components from
one deck spindle to another.
NOTE: A replacement bearing spacer set includes the
inner spacer and outer spacer (items 4 and 5 in Fig. 6).
Do not mix bearing spacers from one deck spindle to
another.
1
4
IMPORTANT: If new bearings are installed into a
usedspindlehousing,itmaynotbenecessarytore-
place the original large snap ring. If the original
large snap ring is in good condition with no evi-
denceofdamage (e.g.spunbearing), leavethesnap
ring in the housing and discard the large snap ring
that comes with the new bearings. If the large snap
ring is found to be damaged, replace the snap ring.
2
5
3
1
Figure 6
1.
Iflargesnapringwasremovedfromspindlehousing,
install snap ring into housing groove. Make sure snap
ring is fully seated in groove.
1.
2.
3.
Bearing
Spacer ring
Large snap ring
4. Inner bearing spacer
5. Outer bearing spacer
2.
ing. The spacer should fit against the large snap ring.
Install outer bearing spacer into top of spindle hous-
Cutting Decks
Page 7 -- 10
Groundsmaster 4300--D
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