Assembly

IMPORTANT: If new bearings will be installed into a used spindle housing that has the original large snap ring installed, discard the snap ring that came with the new bearings because it is not necessary to replace the original snap ring. However, new bearings with their matched spacer set and snap ring must always be installed when the spindle housing is being replaced. Replacement bearings are sold only with a matched snap ring and spacer set. These parts cannot be purchased separately.

1.If large snap ring was removed, or if replacing the spindle housing, install snap ring into spindle housing groove. Make sure snap ring is seated in groove.

IMPORTANT: If bearings are being replaced, make sure to use the large spacer, inside spacer, and spacer ring that are included in new bearing set.

2.Using an arbor press, push large spacer into top of spindle housing. The spacer should fit tightly against the snap ring.

3.Thoroughly oil the bearing cups. Using an arbor press, push the bearing cups into the top and bottom of the spindle housing. The top bearing cup must contact the spacer previously installed, and the bottom bearing cup must contact the snap ring. Make sure that the as- sembly is correct by supporting the first bearing cup and pressing the second against it (Fig 32).

4.Pack the bearing cones with grease. Apply a film of grease on lips of seals.

5.Install lower bearing and seal into bottom of spindle housing. Note: The bottom seal must have the lip facing out (down) (Fig. 33).

6.Slide spacer ring and inside spacer into spindle housing, then install upper bearing and seal into top of housing. Note: The upper seal must have the lip facing out (up) (Fig. 33).

7.Inspect the spindle shaft to make sure it is free of burrs or nicks that could possibly damage the seals. Also, make sure that lubrication hole in shaft is clean. Lubricate the shaft with grease.

8.Install spindle spacer onto shaft. Carefully slide spindle shaft through spindle housing. The bottom seal and spindle spacer fit together when the spindle is installed fully.

9.Install seal spacer with chamfer side down (Fig. 32).

10.Thread spindle nut onto shaft and tighten nut from 131 to 159 ft–lb (178 to 216 N–m).

11.Install spindle housing and spindle plate to deck with cap screws and lock nuts. Notches on housing and plate should be aligned to front of deck.

12.Install cutting blade, anti–scalp cup and bolt (see Cutting Blade Removal and Installation). Tighten blade bolt from 85 to 110 ft–lb (115 to 149 N–m).

13.Position O–ring to top of spindle housing. Install hy- draulic motor to the cutting unit with two cap screws.

IMPORTANT: When greasing spindles, grease

Contour82

CuttingUnit

passes into the center of the shaft and out to fill the

bearing cavity of the housing. If grease does not

 

 

come out of lower seal when greasing, check lu-

 

 

brication hole in spindle shaft for obstruction.

 

 

 

 

 

14.Attach a hand pump grease gun to either grease fit- ting and fill housing cavity with grease until grease starts to come out of lower seal. NOTE: Pneumatic grease guns can produce air pockets when filling large cavities.

PRESS

 

4

 

1

3

 

2

6

5

 

Figure 32

1.

Bearing cups

4.

Arbor press

2.

Large snap ring

5.

Support

3.

Large spacer

6.

Arbor press base

2

1

Figure 33

1. Bottom seal installation

2. Upper seal installation

Groundsmaster 3000/3000–D

Page 10 – 21 Rev. C

Contour 82 Cutting Unit

Page 203
Image 203
Toro 3000D Assembly, Important When greasing spindles, grease, Passes into the center of the shaft and out to fill