TM-9-2330-342-23-P

PALLETIZED LOAD SYSTEM TRAILER (PLST) M1076 A1

TECHNICAL MANUAL; FIELD MANUAL

OCTOBER 2012

TM-9-2330-342-23-P - Page 400 of 1348

Table

1.

Service Brake Air Lines.

Axle No. 1

Axle No. 2

Axle No. 3

Air Hose No.

Air Hose No.

Air Hose No.

LH 2547

LH 2015

LH 2016

RH 2545

RH 2017

RH 2018

The LH and RH listed with the air hose

numbers indicate the brake chamber

supplied by the listed air hose.

2.

Have assistant turn engine start switch to ON. Refer to vehicle Operator's manual (WP

0190).

3.

Push in trailer charge valve in vehicle. Refer to vehicle Operator's manual (WP

0190).

Figure 1.

Trailer Air System.

4.

While assistant fully applies brake pedal, listen to air lines listed in table, fittings, and brake chambers for leaks.

Refer to vehicle Operator's manual (WP

0190).

CONDITION/INDICATION

Are air lines, fittings, and brake chamber(s) free of leaks and/or crimps?

DECISION

Fittings leak and are loose - Tighten fittings. Go to (Step 6 - Do trailer service brakes operate correctly?) to verify

problem is solved.

Air line(s) leak - Replace leaking air line(s) (WP

0067). Go to (Step 6 - Do trailer service brakes operate

correctly?) to verify problem is solved.

Brake chamber(s) leak - Replace brake chamber(s) (WP

0071). Go to (Step 6 - Do trailer service brakes operate

correctly?) to verify problem is solved.

All items are free of leaks - Go to (Step 2 - Do brake chamber rods retract and extend when brake pedal is applied

and released?).

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