MWO-9-2320-272-24-1
MODIFICATION OF 5-TON M939 AND M939A1 SERIES TRUCKS
SPRING BRAKE CONTROL VALVE IMPROVEMENT; MODIFICATION WORK ORDER
JULY 1992
MWO-9-2320-272-24-1 - Page 4 of 25
MWO 9-2320-272-24-1
c. Work force and man-hour requirements for application of the MWO to a single unit, end item, or
system:
REQUIREMENTS
WORK FORCE/SKILLS
MAN-HOURS
1 Wheeled Vehicle Mechanic
(MOS 63W) or equivalent
2
Total man-hours required for a single application
of this MWO is 2 hours.
d. MWOS that must be applied prior to application of this MWO. Not applicable.
e. Additional information necessary to apply this MWO. Not applicable.
7. TECHNICAL PUBLICATIONS AFFECTED/CHANGED AS A RESULT OF THE MWO.
Technical publication
Date
TM 9-2320-272-10
28 December 1988
TM 9-2320-272-20
25 March 1991
TM 9-2320-272-20P
2 September 1988
TM 9-2320-272-34P
12 May 1988
8. MWO KITS, PARTS, AND THEIR DISPOSITION.
a. The following kit is required to accomplish this modification. The security classification of the kit
is unclassified. Shipping data is: Weight 1.89 lbs; the kit measures 0.56 x 0.40 x 0.26 ft; its volume is
0.058 cu ft.
NSN
NOMENCLATURE
FSCM
PART NO.
Spring Brake Valve Guard Kit
19207
12375360
b. Spring Brake Valve Guard Kit component parts are listed below and in the instructions for
installation included in the Spring Brake Valve Guard Kit. The listing is used to inventory the kit for
completeness.
NSN
NOMENCLATURE
FSCM
PART NO.
QUANTITY
Valve
19207
11669789-1
1
Installation Instructions
19207
12375361
1
Bracket Assembly
19207
12375362
1
Plate
19207
12375363
1
Cotter Pin
96906
MS24665-283
Nut
96906
MS51943-36
3
3
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