MWO-9-2320-272-23-2
MODIFICATION OF 5-TON M939A1/A2
SPARE TIRE CARRIER REPAIR KIT; MODIFICATION WORK ORDER
MARCH 2010
MWO-9-2320-272-23-2 - Page 4 of 12
(c) There is no bulk or expendable materials required for the application of the
M939 Spare Tire, Repair Kit.
9.
SPECIAL TOOLS; TOOL KITS; JIGS; TEST, MEASUREMENT, AND DIAGNOSTIC EQUIPMENT (TMDE);
AND FIXTURES REQUIRED.
Hand tools necessary to apply the MWO are contained in the following tool kit:
10.
MODIFICATION PROCEDURES.
a)
Vehicle Preparation.
1) Set parking brake (refer to TM 9-2320-272-10). (2) Remove spare tire (refer
to TM 9-2320-272-10).
2) Enlarge hole in spare tire clamp to allow passage of boss of 12450098
retainers as shown in figure 1.
3) Chamfer edge of angle plate to 45 degrees as shown in figure 2.
4) Install spare tire in spare tire carrier with 12276960-6 tee bolt, retainer, and
MS16562-36spring pin as shown in figure 3.
11.
CALIBRATION REQUIREMENTS.
Not applicable to this MWO.
12.
WEIGHT AND BALANCE DATA.
Weight and balance are not significantly affected by this MWO.
13.
QUALITY ASSURANCE REQUIREMENTS.
a)
General. The following information is supplied to ensure the proper application of this modification
and provide clarification in regard to the adequacy of the installer's inspection methods and
procedures applicable to quality assurance. The procedures include, but are not limited to, installer
responsibilities, government verification, and in process and workmanship inspections.
Inspections
shall be in accordance with TM 750-245-4.
b)
Installer Responsibilities. The installer is responsible for compliance with quality assurance
requirements specified herein. These requirements and the installer's plan of inspection, or quality
program, constitute the minimum examinations and tests necessary to assure compliance with
established requirements. Requirements contained in this MWO shall be included in the installer's
inspection plan or quality program. These requirements shall not be construed as eliminating the
installer's responsibility from complete compliance with all provisions
of the contract. Specific
installer responsibilities for modification work order are as follows: The installer is responsible for
following instructions contained in this MWO for installation of the M939 Spare Tire Repair Kit
and for follow-on tasks IAW MWO 9-2320-272-23-2. Installer is responsible for notifying the
Government representative if kit was received incomplete or received in open or damaged
condition. The Installer is responsible for quality workmanship.
c)
In-Process Inspection.
During normal assembly operations, paragraph 10, Modification
Procedures, will be used to check the installer's work. All defects will be corrected by the installer
before the vehicle is placed in service. All vehicles modified during a production shift will be
checked to ensure product quality.
d)
Workmanship Inspection. Inspect components removed, installed, or replaced during the
modification for security of mounting. Inspect painted areas of cab for missing, chipped, or cracked
paint and correct if necessary.
MWO 9-2320-272-23-2
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