Hendrickson HXL5, Maintenance Procedures

10

T72007 A

HXL5

®

 Hub Maintenance Procedures 

B� 

if the seal is on the spindle

 - Using a brass, 

leather or other soft-faced mallet, drive the seal 

off the spindle by carefully striking the seal 

from the back side�

noTiCe:  any damage to the spindle’s 

machined surfaces can effect wheel 

end performance.

9� 

remove, clean and inspect 

inner bearing� Replace 

if needed�

SpinDle preparaTion

Before installing or re-installing the hub, follow this 

procedure to ensure hub and spindle machined 

surfaces are clean and undamaged�

HN spindle

HP spindle

Figure 8: Spindle seal & bearing 

journal

s

1� 

remove old lubricant

 and thoroughly clean 

spindle� 

2� 

inspect machined spindle 

journals (Figure 8) for 

nicks, scratches, burrs or marks� If needed, use 

crocus cloth or emery cloth to repair any damaged 

areas�

3� 

clean spindle threads and keyway thoroughly

 with 

a wire brush to avoid false bearing adjustments 

and to avoid introduction of contaminants into the 

lubricant cavity�

4� 

thoroughly clean spindle machined surfaces

 of 

rust, dirt, grease or any other contaminants that 

could damage the hub seal and cause it to leak�

5� 

Lubricate spindle

 bearing surfaces with clean 

Chevron Delo

®

 Synthetic Grease SF� 

noTiCe:  To minimize fretting and damage to 

wheel-end, lubricate all components 

and applicable surfaces using the 

same lubricant.

preparinG HuB For re-inSTallaTion

The hub and bearings should be cleaned and inspected 

prior to installation�

CauTion:  For safety reasons, to prevent injury 

and damage to the hub and spindle, 

lifting equipment may be required to 

lift and support the hub as it is being 

installed onto the spindle.

noTe: 

If ADB, refer to Hendrickson literature number 

T71004 

Hub and Rotor Assembly and Caliper 

Mounting

 for servicing the rotor�

If installing new hub, start with Step 3�

1� 

thoroughly clean

 the hub bore of any dirt, grease, 

rust or any other substance that may be present�

2� 

remove 

all sharp edges, nicks and burrs from seal 

bore, hubcap bore and hubcap mounting surface of 

the hub�

3� 

inspect 

hub seal bore for roughness� If needed, use 

emery cloth to remove any burrs or old bore sealant 

and wipe hub clean�

4� 

ensure

 hubcap mounting surface is smooth and 

free of debris�

Figure 9: Hub-mounted seal installation

noTe: 

HXL5

®

 wheel-ends require 

chevron delo

®

synthetic Grease sF

�

5� 

apply lubricant

 to inner bearing�

Seal journal

Inner bearing 

journal

Outer bearing 

journal

Drive tool

Seal