Table
1.
Parking Brake Air Lines.
Axle No. 1
Axle No. 2
Axle No. 3
Air Hose No.
Air Hose No.
Air Hose No.
LH 2032
LH 2142
LH 2141
RH 2022
LH 2139
RH 2140
RH 2138
RH 2143
The LH and RH listed with the air hose
numbers indicate the brake chamber
supplied by the listed air hose.
3.
Inspect air lines listed in table for crimps.
Figure 1.
Trailer Air System.
4.
Inspect air lines listed in table, fittings, and brake chambers for leaks.
5.
Pull out trailer charge valve in vehicle.
6.
Have assistant turn engine start switch to OFF. Refer to vehicle Operator's manual (WP
0190).
CONDITION/INDICATION
Are air lines, fittings, and/or brake chambers free of leaks?
DECISION
Fittings leak and are loose - Tighten or replace faulty fittings (WP
0067). Go to (Step 5 - Does parking brake(s)
release correctly?) to verify problem is solved.
Air hose(s) leak and/or crimped -
Replace damaged air hose(s) (WP
0067). Go to (Step 5 - Does parking brake(s)
release correctly?) to verify problem is solved.
Brake chamber(s) leak and/or damaged - Replace brake chamber(s) (WP
0071). Go to (Step 5 - Does parking
brake(s) release correctly?) to verify problem is solved.
Fittings, air lines, and brake chambers are OK - Go to (Step 2 - Do brake chamber rods move in chambers when
brake pedal is applied?).
TM 9-2330-342-23&P
0036
0036-2