AP31.11-P-3121-04AK Lubricate Ball Neck and Ball Neck Mounting

AP31.11-P-3121-04AK Lubricate Ball Neck And Ball Neck Mounting
- with CODE (550) Trailer hitch

Repair Materials:

1. Lock ball neck (1) and remove key (2a).
2. Lubricate lock cylinder.
Use lock cylinder grease spray.

3. Lubricate axle of hand wheel (2) and trigger (3).
Use commercially available engine oil.

4. Lightly grease trigger (3), balls (4) and stem (5).
Use multipurpose grease.







5. Lightly grease ball neck mounting (2) at the points marked with arrows.
Use multipurpose grease.