TM-9-2320-283-20-2

TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 2 OF 3

DECEMBER 1983

TM-9-2320-283-20-2 - Page 742 of 852

TM 9-2320-283-20-2

BRAKE SYSTEM.

3-188.

PRIMARY AND SECONDARY RESERVOIR DRAINCOCK REPLACEMENT (Continued).

LOCATION/ITEM

ACTION

REMARKS

WARNING

Never work on air system components without first draining air

pressure.

Failure to follow this precaution can result in serious

personal injury.

NOTE

Primary

and

secondary

reservoir

draincock

replacement

procedures are the same.

This procedure covers replacement of

the secondary reservoir draincock.

A.

REMOVAL.

1.

Draincock (1).

Unscrew and remove.

B.

INSPECTION.

2.

Draincock (1).

Inspect for damaged threads.

C.

INSTALLATION.

3.

Draincock (1).

Install and tighten.

Use thread sealing tape

on threads.

NOTE

Follow-on maintenance action required:

Close air system draincocks and

start

engine

(TM

9-2320-283-10).

Check air system for leaks (para 3-8).

3-1114