Table 4-8. Parking Brake Air Lines

TM 9-2330-385-14

Table 4-8. Parking Brake Air Lines

Axle No. 2

Axle No. 3

Axle No. 1

Air Hose No.

LH 2141

LH 2023

LH 2142

RH 2140

RH 2022

LH 2139

RH 2143

RH 2138

The LH and RH listed with the air hose numbers indicate the brake

chamber supplied by the listed air hose.

NOTE

Trailer air system pressure must be 125

5 psi (862 34 kPa) to begin

troubleshooting the brake system. If the

air system pressure cannot be maintained,

refer to Air System Troubleshooting.

Air lines and valves listed in this

troubleshooting procedure are illustrated

and located in FO-2.

VISUAL INSPECTION

Inspect air lines (Table 4-8) and

fittings for crimps.

(1) If air hose(s) or fittings are

crimped, repair or replace air

hose(s) and fittings (see

(2) If air lines and fittings are not

crimped, air lines and fittings

are OK.

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