AIR BRAKE HOSE REPLACEMENT AND REPAIR.
This task covers:
Trailer parked on level ground, brakes engaged
and wheels chocked.
Tool kit, mechanics general,
Air hoses can be replaced or repaired, depending on the length of
the damaged section. If damaged air hose is short, replace it. If
damaged air hose is long, repair it. Ensure air pressure has been
relieved from air system prior to removing, replacing or repairing
4-23 (Tubes and Compression Fittings) for general air brake hose
Replacement/Repair. Air hoses are not ordinarily removed except if they need to be replaced.
Badly damaged air hoses must be replaced. Air hoses must be tightly attached and connected.
See air brake system schematic (para. 4-59) diagram for additional information.