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 354 of 1348

Table

1.

Parking Brake Air Lines -

Continued.

Axle No. 1

Axle No. 2

Axle No. 3

Air Hose No.

Air Hose No.

Air Hose No.

The LH and RH listed with the air hose

numbers indicate the brake chamber supplied

by the listed air hose.

CONDITION/INDICATION

Are air lines and fittings free of crimps?

DECISION

LINES OK - Go to (Step 2 - Do brake chamber rods extend when air is cut off from trailer air system?).

LINES DAMAGED - Replace faulty air lines and/or fittings (WP

0067). Go to (Step 6 - Does suspect parking brake(s)

apply correctly?) to verify problem is solved.

STEP 2

Do brake chamber rods extend when air is cut off from trailer air system?

NOTE

•

This test covers left rear brake chamber, but it can be used to test operation of all

trailer brake chambers.

•

Some resistance will be felt from spring when pulling chamber rod out of brake

chamber.

1.

Drain air from trailer air system. Refer to TM 9-2330-342-10 (WP

0190).

2.

Cage brake chamber. Refer to TM 9-2330-342-10 (WP

0190).

3.

Remove two cotter pins, pins, and rod clevis from slack adjuster. Discard cotter pins.

CLEVIS

PIN

CLEVIS

SLACK

ADJUSTER

BRAKE

CHAMBER

ROD

BRAKE

CHAMBER

COTTER

PIN

Figure 1.

Slack Adjuster.

4.

Rotate slack adjuster away from clevis.

5.

Uncage brake chamber. Refer to TM 9-2330-342-10 (WP

0190).

6.

Pull brake chamber rod out of chamber by hand.

TM 9-2330-342-23&P

0035

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