Bontrager 231793 service manual Comp front hub, Disassemble the hub

Comp front hub

Bontrager Race Modified, Race Modified Disc front wheel, 2003 Race Lite ATB, Race Lite ATB Disc front wheel

End cap

Fig. 1K

Fig. 2K

Fig. 3K

Recommended tools

Comp bearing press, front hub Short bearing press

17mm cone wrench Multi-purpose grease Bench vise

Axle vise

Hammer, soft faced Thin-bladed slot screwdriver

DISASSEMBLY

Hub parts and names are referenced on next page.

Disassemble the hub

1.Tap the axle (either end) with the hammer until the axle is flush with the surface of the end cap.

2.Remove the opposite end cap (Fig. 1K).

3.Tap the axle end without the end cap with the hammer (Fig. 2K) and remove the axle.

4.Slide the end cap, seal, and bearing from the axle (Fig. 3K).

5.Re-insert the axle through the hub and tap out the second bearing.

Clean and inspect the parts

Thoroughly clean and

inspect all components with a dry cloth. If cracks or any other damage is visible, replace the

ASSEMBLY

1.Place the Comp bearing press on the workbench or other solid surface. Push a new bear- ing onto the axle, and push the axle into the bearing press (Fig. 4K).

2.Place the hub over the

axle.

3.Place the second Comp bearing press over the axle. Tap the upper bearing press with the hammer (Fig. 5K) to press the bearing into the hub.

4.Remove the upper bearing

press.

5.Pull the axle out about 10mm (3/8in). Press the second bearing over the axle (Fig. 6K).

6.Place the second bear-

ing press over the axle. Tap the upper bearing press with the hammer (Fig. 7K) to press the second bearing into the hub.

Check the bearing installation be spinning the axle. It should rotate freely without irregular friction.

7.Lightly grease the surface of both bearings.

8.Pull the V-seal off the end cap (Fig. 8K). Clean it thoroughly with a cloth, lightly grease it, and reinstall it on the end cap with the open ‘V’ facing the hub.

Fig. 6K

Fig. 7K

End cap

V-seal

Fig. 8K

Bearing	Bearing
press

part.

9.Position the completed end cap over the axle, and press into place with your fingers.

After completing assembly of the hub, check its function by spinning the axle with your fingers. It should rotate freely without irregular friction. A small amount of lateral play is acceptable if the play is eliminated when the wheel is installed with the quick release properly closed.

Fig. 4K

Fig. 5K

20 2003 Bontrager Service Manual