4-50. RELIEF VALVE REPLACEMENT.
This task covers:
c. Follow-On Maintenance
Tools and Special Tools
Tool Kit, General Mechanic's: Automotive
Wheels chocked, (Para 2-20)
(Item 50, Appendix J)
Drawbar lowered, (Para 2-23)
Cap and Plug Set (Item 2, Appendix J)
Air system drained, (Para 2-21)
Cable Ties (Item 8, Appendix E)
Sealing Compound (Item 17, Appendix E)
Tags, Identification (Item 23, Appendix E)
Equipment may be damaged by foreign matter if hoses, tubes and connectors are not plugged
and capped when removed.
Tag all air lines prior to removal.
Remove cable ties as required.
Cap and plug all air lines and connectors after removal.
Remove valve (1) from air lines (2).
The relief valve is marked with an arrow to show proper direction during installation. Note
direction of arrow, or if arrow is missing or obscured, mark relief valve to aid in installation.
Remove air line 2231 (3) and 2232 (4) from adapter (5) and fitting (6).