4-45. AIR RESERVOIR MAINTENANCE.
This Task Covers:
Cleaning and Inspection
l Semitrailer coupled to towing vehicle with airbrake
l Dishwashing compound (Item 6, Appendix E)
system fully charged (para 2-10).
l Dry cleaning solvent (Item 14, Appendix E)
l Antiseizing tape (Item 16, Appendix E)
l General mechanics tool kit
l Six Iockwasher
Personnel Required: Two
Apply soap and water solution on draincock (9)
and outside of air reservoir (4) and check for
Tighten any leaking connections.
If leaks cannot be corrected, replace air reservoir.
Disconnect EMERGENCY and SERVICE air couplings from semitrailer.
Open draincock (9) on air reservoir (4) and release air pressure.
Disconnect air tube (11) from elbow (10) at air reservoir (4).
Remove two nuts (8), Iockwasher (7), capscrews (5), and air reservoir (4) from brackets (6). Discard
Remove four nuts (3), Iockwasher (2), and capscrews (1) from brackets (6) and chassis. Remove four brackets.
Remove draincock (9) from air reservoir (4).