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 373 of 1348
NOTE
This test covers left rear brake chamber, but it can be used to test operation of all trailer brake
chambers.
1.
Release brake pedal. Refer to vehicle Operator's manual (WP
0190).
2.
Pull out trailer charge valve in vehicle. Refer to vehicle Operator's manual (WP
0190).
3.
Have assistant turn engine start switch to OFF. Refer to vehicle Operator's manual (WP
0190).
4.
Disconnect TK pressure transducer (blue stripe) from air hose 2545.
5.
Connect air hose 2545 to right brake chamber.
6.
Cage brake chamber. Refer to TM 9-2330-342-10 (WP
0190).
7.
Remove two cotter pins, pins, and rod clevis from slack adjuster. Discard cotter pins.
CLEVIS
PIN
COTTER
PIN
CLEVIS
SLACK
ADJUSTER
BRAKE
CHAMBER
ROD
BRAKE
CHAMBER
Figure 4.
Slack Adjuster.
8.
Rotate slack adjuster away from rod clevis.
9.
Uncage brake chamber. Refer to TM 9-2330-342-10 (WP
0190).
10.
Have assistant turn engine start switch to ON. Refer to vehicle Operator's manual (WP
0190).
11.
Push in trailer charge valve in vehicle. Refer to vehicle Operator's manual (WP
0190).
12.
While assistant fully applies brake pedal, observe operation of brake chamber rod. Refer to vehicle Operator's
manual (WP
0190).
CONDITION/INDICATION
Do brake chamber rods extend when brake pedal is applied?
DECISION
Rod Free - Go to (Step 5 - Are slack adjusters adjusted and free of damage?).
Rod Binds - Replace brake chamber (WP
0071). Go to (Step 8 - Do brake(s) apply correctly?) to verify problem is
solved.
STEP 5
Are slack adjusters adjusted and free of damage?
1.
Release brake pedal. Refer to vehicle Operator's manual (WP
0190).
2.
Pull out trailer charge valve in vehicle. Refer to vehicle Operator's manual (WP
0190).
3.
Have assistant turn engine start switch to OFF. Refer to vehicle Operator's manual (WP
0190).
4.
Cage brake chamber. Refer to TM 9-2330-342-10 (WP
0190).
TM 9-2330-342-23&P
0038
0038-5
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