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 spacer previously installed,
and the bottom bearing cup must contact the snap ring.
Make sure that the assembly is correct by supporting the
first bearing cup and pressing the second against it (Fig
6).
PRESS
4
4.
grease on lips of oil seals and o−ring.
Pack the bearing cones with grease. Apply a film of
3
1
2
6
5
5.
Install lower bearing cone and oil seal into bottom of
spindle housing. Note: The bottom seal must have the
lip facing out (down) (Fig. 7).
Figure 6
IMPORTANT: If bearings are being replaced, make
sure to use the spacer ring that is included in bear-
ing set.
1.
2.
3.
Bearing cup
Large snap ring
Outer spacer
4.
5.
6.
Arbor press
Support
Arbor press base
6.
Slide spacer ring and inner bearing spacer into
.095”
(2.4 mm)
spindle housing, then install upper bearing cone and oil
seal into top of housing. Note: The upper seal must have
the lip facing in (down) (Fig. 7). When properly installed,
the upper seal should be recessed .095” (2.4 mm) into
the housing.
7.
sure they are free of burrs or nicks that could possibly
damage the oil seals. Lubricate the shaft with grease.
Inspect the spindle shaft and shaft spacer to make
2
8.
Install spindle shaft spacer onto shaft. Carefully slide
spindle shaft with spacer up through spindle housing.
The bottom oil seal and spindle spacer fit together when
the spindle is installed fully.
1
9.
Install greased o−ring to top of spindle shaft (Fig. 8).
NOTE: Early production spindle assemblies included a
v−ring seal which has been found to be unnecessary.Do
not install a v−ring seal when assembling the spindle.
Figure 7
1.
Bottom seal installation
2.
Upper seal installation
10.Install
spindle shaft. Tighten lock nut from 130 to 150 ft−lb (176
to 203 N−m).
pulley (hub down), flat washer and lock nut to
4
3
IMPORTANT: Pneumatic grease guns can produce
air pockets when filling large cavities and therefore,
are not recommended to be used for proper greas-
ing of spindle housings.
1
11.
Attach a hand pump grease gun to grease fitting on
2
housing and fill housing cavity with grease until grease
starts to come out of lower seal.
12.Rotate
spindle shaft to make sure that it turns freely.
Figure 8
1.
2.
Upper seal
O−ring
3.
4.
Flat washer
Lock nut
Groundsmaster 3280−D/3320
Page 10 − 11 Rev. A
Cutting Units
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 3280 D, Toro Groundsmaster 3320 |
| Download File |
|
| Document Type | Catalog |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
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