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|  CHAPTER 2
INSTALLATION
Section I. SERVICE UPON RECEIPT OF MK-1239/VRC-12
2-1. Unpacking
and
Checking
MK-1239/VRC-12
d. When wheeled vehicles with radio sets are to be
Items
turned
in or transferred, the radio sets and the
installation kit will be removed and reinstalled in the new
a. Move the packing boxes close to the location
replacement vehicle. Refer to SB 11-131 if the radio set
is to be installed in another type of vehicle. It should be
where the installation is to take place and unpack the
noted that both the basic radio set and the MK-
parts of the MK-1239/VRC-12. Be careful not to lose
1239/VRC-12 are separate accountable items and are
any of the parts.
not considered part of the vehicle.
b. Inspect the items for damage incurred during
2-2. Items Comprising Installation Kit, Electronic
shipment. If any of the items have been damaged,
Equipment MK-1239/VRC-12
report the damage on DD Form 6 (Report of Packaging
and Handling Deficiencies) as prescribed in AR 700-58
The items which comprise MK-1239/VRC-12 are listed
c. Check the equipment against the listing in
in table 2-1. A Federal stock number (FSN) has been
provided for each item. Tables 2-2 through 2-6 list the
items in the mountings, clamp strap, sheet metal screw
shipment is complete. The equipment should be placed
clamp, and audio accessory support kits.
in service even though a minor assembly or part that
does not affect proper installation is missing.
Table 2-1. Items Comprising Installation Kit, Electronic Equipment MK-1239/VRC-12
FSN
Item
Quantity
Length
Remarks
5820-892-3340
Control, Radio Set C-2299/VRC .................................................. 1
MIL-C-55126
5820-892-3343
Control, Frequency Selector C-2742/VRC ................................... 1
MIL-C-55126
5820-763-2462
Bracket Assembly ....................................................................... 1
SC-C-189025
5820-254-4340
Base, Antenna AB-243/G ............................................................ 1
SC-C-28642
5820-740-1780
Support Assembly ....................................................................... 1
SC-D-189023
5820-937-7212
Reinforcement ............................................................................ 2
SC-B-425939
5820-763-2463
Reinforcement ............................................................................ 1
SC-B-189026
5820-937-7227
Bracket ....................................................................................... 1
SC-D-425918
5995-173-7116
Bond Strap (GP III) ..................................................................... 2
SC-B-75180
5995-823-2987
Cable Assembly, Radio Frequency CG-1773B/U ........................ 1
4 ft
SM-D-415563
5995-823-2990
Cable Assembly, Radio Frequency CG-1773B/U ........................ 1
8 ft
SM-C-415563
5995-823-2820
Cable Assembly, Special Purpose, Electrical CX-4722/VRC ....... 1
7 ft
SM-D-415552
5995-823-2839
Cable Assembly, Special Purpose, Electrical CX-7059/VRC ....... 1
13 ft
SM-D-415559
5995-823-2841
Cable Assembly, Special Purpose, Electrical CX-4723/VRC ....... 1
15 ft
SM-D-415553
5995-935-0383
Cable Assembly, Special Purpose, Electrical CX-7867A/VRC ..... 1
13 ft
SC-D-436058
5820-752-5738
Clamp Strap Kit (table 2-2) ......................................................... 3
6150-637-8054
Grommet, Rubber ....................................................................... 2
MS-35489-53
5325-826-4020
Grommet, Rubber ....................................................................... 1
MS-35489-120
5965-892-1010
Headset Electrical, H-140B/U...................................................... 1
5965-875-1313
Microphone, Dynamic, M-80C/U .................................................
5970-313-8951
Insulator IL-2/U ........................................................................... 1
SC-D-8469
5965-876-2375
Loudspeaker, Permanent Magnet LS-454/U ................................ 2
MIL-L-12632
Grommet, Rubber ....................................................................... 2
MS-35490-87
5820-875-0940
Mounting Bracket Assembly ........................................................ 1
SC-C-425873
5820-875-0936
Mounting Bracket Assembly ........................................................ 1
SC-C-425876
5820-078-3895
Sheet Metal Screw Clamp Kit (table 2-3)..................................... 2
3
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