6-17. SERVICE AND EMERGENCY SWIVEL COUPLINGS (GLADHANDS) REPLACEMENT.
This Task Covers:
c. Follow-On Tasks
Tools and Special Tools:
Tool kit, general mechanic's (Item 4, Appendix B-3)
Oil, lubricating (Item 9, Appendix F)
Landing legs down
Semitrailer disconnected from prime mover
Ground boards emplaced
Service and emergency couplings are removed and installed in the
Remove three self-tapping screws (1) and swivel coupling (3 or 5). Discard self-tapping screws.
Remove seal (4 or 6) from swivel coupling (3 or 5). Discard seal (Red seal emergency air, blue
seal service air.).
Remove four self-tapping screws (1) and plates (2) from semitrailer bulkhead. Discard self-
Install plate (2) and four new self-tapping screws (1) to semitrailer bulkhead.
Install new seal (4 or 6) onto swivel coupling (3 or 5).
Install swivel coupling (3 or 5) and three new self-tapping screws (1).
If seal dust cover (7) is damaged, replace one or both dust covers.