MILE MARKER 549-62032 Premium Locking Hubs Installation Guide
- September 13, 2024
- MILE MARKER
Table of Contents
MILE MARKER 549-62032 Premium Locking Hubs Installation Guide
Installation Instructions
Step 1: Check Vacuum Plugs – See Figure A
If current locking hubs are automatic
- Remove the Axle Hose at Axle Bracket and the Steering Knuckle.
- Install two Vacuum Plugs. One on the Axle Bracket and one on the Steering Knuckle.
If current locking hubs are manual
- Verify Vacuum Plug has been installed on Steering Knuckle.
Step 2: Remove Current Locking Hubs – Refer to Ford Manual
Step 3: Installation – See Figure B
- Apply provided grease to both the Internal and External Splines Roto Couplings as well as the Teeth.
- Align Internal Splines Roto Coupling with vehicle’s Axle Stub, cantered around Axle Stub with Teeth facing in.
- Insert the Return Spring centered around the Axle Stub.
- Align External Splines Roto Coupling with vehicle’s Wheel Hub Splines and insert fully with Teeth facing out.
- Take the Cap Assembly with the Gasket in place and the Dial set in the “FREE” position (see Figure C) and insert the Engagement Spring and Cam into the Wheel Hub.
- Align the Cap Screws with the tapped holes in the Wheel Hub and secure using an M5 hex key.
Warning:
Never drive with one hub only engaged, as this can damage the front
differential. Never drive unless the control dials are in either fully locked
or fully free position. If the hubs are partially engaged, hub damage may
occur. (See Figure D)
OPERATING INSTRUCTIONS
SERVICE INSTRUCTIONS
Hubs should be serviced at same time as wheel bearings. Clean and coat with motor oil or provided grease. The hubs should never be packed with grease. We recommend checking wheel bearing adjustment and locknut torque to be sure they are within vehicle manufacturer’s specifications. We recommend to engage hubs for at least one mile monthly. If the body assembly requires service, disassemble and clean. Put a light coat of bearing grease on the axle gear. When the cam assembly is put back together, ensure it is aligned with the cap screw holes.
Warranty
For warranty information and registration, please visit milemarker.com/warranty
Video instructions available at www.youtube.com/user/MileMarkerWinch
2121 BLOUNT ROAD POMPANO BEACH, FL 33069 USA
800.886.8647 MILEMARKER.COM
INFO@MILEMARKER.COM
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