MWO-9-2320-272-20-8
MODIFICATION OF 5-TON M939A2 SERIES TRUCKS
ACCELERATOR LINKAGE MODIFICATION KIT; MODIFICATION WORK ORDER
MARCH 1997
MWO-9-2320-272-20-8 - Page 6 of 18
MWO 9-2320-272-20-8
c.
Vehicle Equipment.
(1)
Start engine CTM 9-2320-272-10) and check engine idle.
NOTE
•
Engine idle should be between 550-650 rpm.
•
Perform steps -' and 3"' to adjust accelerator linkage if not within limits.
(2)
Loosen jamnut and turn yoke until engine idle is within limits.
If necessary, turn throttle linkage rod
assembly (12363294-2) as shown in figure 12.
Tighten jamnuts.
(3)
Depress accelerator pedal and check that engine speed reaches 2100-2300 rpm.
If necessary, loosen
jamnut and adjust stopscrew on cab floor until proper engine speed is reached.
Refer to Section ’B",
step ’8".
(4)
Check modulator cable adjustment L(TM 9-2320-358-24&P).
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 Accelerator Linkage Modification Kit and
for follow-on tasks IAW MWO 9-2320-272-20-8.
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.
If accelerator linkage fails to operate properly after kit installation, servicing will be
conducted in accordance with PMCS procedures found in TM 9-2320-272-10.
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.
6
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