MWO-9-2320-272-35-1
MODIFICATION OF 5-TON M939, M939A1, M939A2 SERIES FAMILY OF VEHICLES (FOV)
M939 BRAKE STABILIZATION PROGRAM (RETROFIT OF ANTI-LOCK BRAKE SYSTEM (ABS) FOR M939 FOV); MODIFICATION WORK ORDER
JANUARY 2007
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MWO-9-2320-272-35-1 - Page 5 of 109
MWO 9-2320-272-35-1
5.
PART(S) TO BE MODIFIED.
Not applicable.
6.
APPLICATION.
a.
Time Compliance Schedule: The effective date of this MWO is 1 November 1999 and its completion
date is 1 November 2008.
b.
The lowest level of maintenance authorized to apply the MWO is DS maintenance.
c.
Personnel authorized to perform this modification shall be MOS 63B personnel only.
This MWO supersedes MWO 9-2320-272-20-7. Do not
WARNING
apply MWO 9-2320-272-20-7 to any vehicle after this
MWO has been installed. Failure to comply may result in
injury to personnel.
d.
No MWOs will be applied prior to or concurrently with the application of this MWO.
e.
Work force and man-hour requirements for application of this MWO to a single unit, end item, or
system are as follows:
REQUIREMENTS
WORK FORCE/SKILLS
MAN-HOURS
One Wheeled Vehicle Mechanic
(MOS 63B) or equivalent
Total man-hours required for a
single application of this MWO:
M939 Basic
17 hrs.
M939 A1
10 hrs.
M939 A2
10 hrs.
7.
TECHNICAL PUBLICATIONS AFFECTED/CHANGED AS A RESULT OF THIS MWO.
Technical Publication
Date
TM 9-2320-272-10 W/C1
August 1996
TM 9-2320-272-24
June 1998
TM 9-2320-272-24P
February 1999
a.
Current TMs are to be superseded by an Interactive Electronic Technical Manual (IETM) which will contain
the ABS maintenance and repair parts data.
b.
Use the Brake Stabilization Program EIR Digest Article in the interim until the M939 IETM is released.
8.
MWO KITS, PARTS, AND THEIR DISPOSITION.
a.
The following kit is required to accomplish this modification. The security classification of this kit is
unclassified. Shipping data for kits used on M939/A1, M939A2, M936/A1, M936A2, and M945 are: weight 2
lbs; the kit measures 15 in. x 13 in. x 14 in.; its volume is 2730 sq. in. Plus an air dryer kit. Shipping data for
air dryer kit is: weight 24 lbs; the kit measures 10-1/2 in. x 10-1/2 in. x 19 in.; its volume is 2095 sq in.
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