4-47. AIR LINES AND FITTINGS MAINTENANCE.
This Task Covers:
l Dishwashing compound (Item 6, Appendix E)
l General mechanics tool kit
l Marker tags (item 15, Appendix E)
Antiseizing tape (Item 16, Appendix E)
Personnel Required: Two
l Twenty-two Iockwasher
Couple towing vehicle to semitrailer (para 2-10).
Apply brakes and coat air couplings, connectors, fittings, and emergency and service lines and tubes with soap
and water solution.
Check for leakage. No leakage is allowed.
Tighten loose connections and fittings, or replace defective parts as necessary.
Uncouple towing vehicle from semitrailer (para 2-11).
Open draincock on air reservoir (5) and release air pressure.