MWO-9-2320-272-20-6
MODIFICATION OF 5-TON M939 AND M939A1 SERIES TRUCKS
FUEL TANK VENTILATION KIT; MODIFICATION WORK ORDER
FEBRUARY 1996
MWO-9-2320-272-20-6 - Page 8 of 24
MWO 9-2320-272-20-6
13.
QUAUTY ASSURANCE REQUIREMENTS.
a.
General.
The following information is supplied to ensure the proper application of this modification art 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. Specific installer
responsibilities for the modification work order are as follows: The installer is responsible for following instructions
contained in this MWO, for installation of the Fuel Tank Atmospheric Vent System Kit,
and for follow-on tasks IAW MWO
9-2320-272-20-6.
Installer is responsible for notifying the Government representative if kit was received incomplete or
received in open or damaged packaging material.
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.
If fuel tank vent system fails to operate properly after kit installation,
servicing will be
conducted in accordance with maintenance procedures found in TM 9-2320-272-20-1.
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.
14.
RECORDING AND REPORTING OF THE MODIFICATION.
a.
Records and report forms.
Refer to DA PAM 738-750, DA PAM 738-751, and TB 9-1100-803-15.
b.
Marking Equipment.
(1) After Fuel Tank Atmospheric Vent System Kit is installed, mark MWO number "9-2320-272-20 6" in the
MWO applied block and date applied in date block on MWO Instruction Plate NSN 9905-00-858-5682.
(2) Install MWO data plate by drilling a hole (#37 drill) in cab body reinforcement panel and secure with
drivescrew NSN 5305-00-253-5614 as shown in figure 16.
(3)
After drivescrew is installed, flatten or remove protruding excess drivescrew material from inside of cab body
reinforcement panel.
c.
Identification Data.
Not applicable.
15.
MATERIAL CHANGE (MC) NUMBER.
This MWO is authorized by MC number 1-88-06-4206.
16.
MODIFICATION IDENTIFICATION.
When the Fuel Tank Atmospheric Vent System Kit is installed, it will be identified by the MWO Instruction Plate
mounted on the cab body reinforcement panel as shown in figure 16.
8
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