MWO-9-2320-279-34-1

MODIFICATION OF M977 SERIES HEAVY EXPANDED MOBILITY TACTICAL TRUCK (HEMTT)

MODIFICATION WORK ORDER; INSTALLATION INSTRUCTIONS FOR THREE POINT SEAT BELTS

JULY 1992
MWO-9-2320-279-34-1

  MWO-9-2320-279-34-1 - Page 4 of 14

MWO 9-2320-279-34-1
1. PURPOSE.
The installation of the kit contained in this MWO is intended to provide a safer
environment for the HEMTT operator and passenger.
2. PRIORITY.
This modification is classified as NORMAL.
3. END ITEM TO BE MODIFIED.
Refer to Table 1.
Table 1. End Items
Nomenclature
NSN
Truck, Cargo, w/Winch
Truck, Cargo, w/o
Winch
Truck, Tank Fuel, w/Winch
Truck, Tank, Fuel, w/o Winch
Truck, Tractor w/Winch w/o Crane
Truck, Wrecker, w/Winch
Truck, Wrecker, w/Winch
Truck, Cargo, w/Winch
Truck, Cargo, w/o Winch
Truck, Cargo, w/Winch
to be Modified
PN
CAGE
Model
Serial No.
Range
XM977WW
19207
M977
XM977WOW
19207
M977
XM978WW
19207
M978
XM978WOW
19207
M978
XM983WOC
19207
M983
40005 and
XM984WW
19207
M984
below
XM984A1WW
19207
M984A1
XM985 W
19207
M985
XM985WOW
19207
M985
XM985E1WW
19207
M985E1
4. MODULE (COMPONENTS, ASSEMBLIES, SUBASSEMBLIES, BOARDS, AND CARDS) TO BE
MODIFIED.
The following item whether installed or in depot stock, shall be modified prior to issue
and shall be marked so that it can be easily determined that modification has been accomplished.
Refer to Table 2.
Table 2. Parts to be Modified
NOMENCLATURE
NSN
PN
CAGE
Cab Assembly
1310710U
45152
5. PARTS TO BE MODIFIED.
Not applicable.
6. APPLICATION.
a. Time Compliance Schedule. The effective date of this MWO is 1 June 1992 and its completion date is
30 May 1994.
b. Lowest Level of Maintenance Authorized to Apply the MWO: Direct Support.
c. Work Force and Man-Hour Requirements for Application of this MWO to a Single Unit, End Item or
System is as follows:
REQUIREMENTS
WORK FORCE/SKILLS
Heavy Wheeled Vehicle Mechanic
(MOS 63S) (1)
3.5
Total man-hours required for a single application of this MWO is 3.5 hours.
d. MWO’s to be applied to or Concurrently with the Application of this MWO: Not applicable
2
Change 1
PIN: 070133-001


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