Toro 3000 Installing Spindle, Bearings Seals Into Spindle Housing, 9 17 Rev. a Inch Cutting Units

Installing Spindle, Bearings and

Seals Into Spindle Housing

IMPORTANT: If a new spindle housing is being used, new bearings and matched snap ring set must be installed; see step 1 below. Never use old bearings, spacer, and snap ring with a new spindle housing. If installing bearings into a used spindle housing that still has a snap ring installed, use only new bearings with cups and spacer – not the large snap ring because it is not required; see step 2 below.

1.Install large snap ring into groove in bore of spindle housing. Make sure snap ring is seated in groove.

2.Using an arbor press, push large spacer into top of spindle housing; tightly against snap ring. The spacer must contact the snap ring to be sure of the correct assembly of the parts.

3.Thoroughly oil the bearing cups. Use an arbor press to push the bearing cups into the top and bottom of the spindle housing. The top bearing cup must contact the spacer that was installed in step 2, and the bottom bearing cup must contact the snap ring. Make that the assembly is correct by supporting the first cup and pressing the second against it.

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

5.Install bearing and seal into bottom of spindle housing. BOTTOM SEAL MUST HAVE THE LIP FACING OUT.

6.Check the spindle shaft to make sure it is free of burrs and nicks that could possibly cut the seals. Thoroughly lubricate both the shaft and seal lips.

7.Slide small, thick spacer into spindle housing, then install bearing and seal into top of spindle housing. LIP OF UPPER SEAL MUST FACE IN.

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

9.Attach a hand pump grease gun to grease fitting and fill cavity with grease until grease starts to come out of lower seal. NOTE: Pneumatic grease guns can produce air pockets when filling large cavities.

10.Push pulley onto splines of spindle shaft and retain the parts together with the large flat washer and nut. Tighten the nut to 85 – 110 ft–lb (12 – 15 Kgm). Rotate

the spindle shaft to be sure that the shaft rotates freely.

11.Slide pulley end of spindle assembly through hole in cutting unit. Mount the spindle assembly in place with the carriage bolts and flange nuts.

12.Install the belt and adjust belt tension.

13.Reinstall the belt covers.

Figure 28

Figure 29

Figure 30

84 inch Cutting Units

Groundsmaster 3000/3000–D Page 9 – 17 Rev. A 84 inch Cutting Units