TB 9-4940-548-30
1. General
CAUTION
a. Instructions contained in this bulletin are to be
Special care should be exercised to
used only as advice and guidance for installation of field
avoid
damage
to
electrical
maintenance signal corps radar and radio repair shop
connectors, wiring, or electrical
set (NSN 4940-00-508-1036) in one M109A3 shop van
equipment.
truck (fig. 1).
To
preserve
its
waterproof
b. Slight variations to the installation instructions
characteristics, precautions should
may be made at the discretion of the officer in charge.
be taken not to puncture the outer
skin when drilling holes into the walls
c. Complete lists of items contained in this shop
or floor of the shop. Coat underside
are found in SC 4940-95-CL-A01.
of van body with coating compound
(UNDERCOATING
TT-C-520,
NSN
d. Personnel performing this installation should
8030-00-221-1834) where mounting
have a practical knowledge of electricity.
hardware projects through floor.
e. Items not mentioned in this bulletin, that may be
3. Location of Equipment
components of this shop, may be stowed in cabinets and
drawers or secured in such a manner as to avoid
a. For location of equipment installed or stowed in
damage in transit.
f. All dimensions, fastener sizes, and hardware
sized are in inches.
(1) Refer to table 1 for hardware required for
installation.
g. When entering shop, curbside is at right and
roadside is at left.
(2) Refer to table 2 for components to be
mounted.
2. Warnings and Cautions
(3) Refer to table 3 for electrical components
to be mounted.
WARNING
All electrically-powered tools and
(4) Refer to table 4 for components to be
equipment must be grounded prior to
fabricated.
use.
b. Refer to table 5 for standard conversion chart.
Drill bits can fracture or break during
use. Wear safety glasses at all times
when drilling holes.
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