3. Seal

5. Spindle Housing

7. Spindle Shaft and Crossbar

Figure 16. Spindle Disassembly

Spindle Assembly

Refer to Figure 17.

Bearing cones and cups are designed to work together. It is important to position them so bearing cone taper mates with cup taper.

1.Lubricate new cups (6) with a light oil. Place them in spindle housing (5) so they will mate with bearing cones (4). Cups (6) and cones (4) are a press fit to minimize wear.

Seat cups (6) securely with a press or place a large drift in the flat lip and drive them into housing (5) until cup seats against machined shoulder of hous- ing.

2.Place bottom bearing cone (4) into spindle with taper positioned to mate with cup (6).

2.Sleeve

3.Seal

4.Bearing Cone

5.Spindle Housing

6.Bearing Cup

7.Spindle Shaft & Crossbar

17.Grease fitting

Figure 17. Spindle and Shaft Assembly

NOTICE

Improper positioning of seals can cause seal damage. An improperly installed seal will leak and could cause bearing failure.

3.Identify the open side of the seal (3) containing the spring.

4.Apply a thin coat of Permatex to the area of housing where seals seat.

5.Install bottom seal (3) with spring up toward center of housing.

6.Place seal squarely on housing and select a piece of pipe or tubing with an OD that will set on outside edge of seal. A tubing with an OD that is too small will bow seal cage.

7.Carefully press seal into housing, to prevent distortion to metal seal cage. Bottom seal should seat firmly and squarely against machined shoulder in housing.

8.Make sure seal lip did not roll under. Distortion to seal cage or damage to seal lip will cause seal to leak. Damaged seals must be replaced.

9.Insert shaft (7) through bottom of housing (5).

10.Fill housing cavity with a medium grade grease.

11.Install top bearing (4) on shaft (7) to mate with top cone (6).

12.Apply a thin coat of Permatex to shaft area where sleeve will seat.

13.Install sleeve (2) on shaft and press sleeve and bearing into housing until all free play is removed and there is a very light drag on bearings (similar to adjusting front wheel bearings on an automobile). Check by spinning spindle. It should turn freely.

14.Be careful not to overtighten bearings. Proper bearing adjustment is essential to good bearing life.

15.If you overtighten bearings, hold spindle housing and rap spindle shaft with a lead hammer.

16.Carefully press top seal (3) in with spring up. Top seal should be flush with or to within 1/16" above the housing.

17.Rotate housing on spindle shaft, checking for free movement.

18.Install grease fitting (17) in spindle shaft.

Spindle Installation

NOTICE

Pulley installation sequence is very important for bearing life. Follow the sequence exactly.

1.Install spindle through bottom of mower and secure with four mounting bolts.

MAN0845 (1/12/2011)

Dealer Service 23

 

 

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Woods Equipment RD990X manual Spindle Assembly, Spindle Installation

RD990X specifications

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