4920-EG-056 (figure D-2) for shelter wiring, 4920-
EG-058 (figure D-4) for cable wiring and 4920-
EG-077 (figure D-5) for power distribution panel
d. Power cables may be field repaired using
a standard blade screwdriver to replace con-
nector. (Refer to drawing 4920-EG-058 (figure D-
e. Repairs to the shelter itself should follow
the guidance given in the shelter TB 43-0124.
f. Compressed air service panel is provided
to route air from an outside air compressor into
g. Duplex type weatherproof electrical outlet
located on the power inlet panel is provided to
power trouble lights and hand tools used outside
1-10. Shelter Components and Location. For
shelter components and location, refer to draw-
ings 4920-EG-054 (figure D-1) and 4920-EG-057
Angle iron frames and brackets, as illus-
trated in figures D-1 and D-2, are secured to the
shelter floor and walls.
b. The work table (item 5, figure D-1) is se-
cured to the right wall and floor by brackets.
Wall mounted shelf/table (item 3, figure D-
1 ) is secured to the left wall of shelter.
d. The environmental control unit (ECU) is
secured to its support item 11, figure D-2)
through the opening in the back-wall of the shel-
ter for operation and secured to bracket assembly
(item 6, figure D-2) for storage and shipment.
The vise (item 11, figure D-3) and grinding
machine (item 12, figure D-3) are mounted on the
work table located on the right side of the appro-
priate shelter as shown in drawing 4920-EG-057
f. Storage space is provided in the drawers
of the work table for storing other components of
the shop set. These components will normally be
received on initial shipment in boxes strapped to
the shelter floor. It will be the responsibility of the
aviation unit repairman to unpack, check items for
quantity and serviceability, and-stow them in
drawers of the appropriate work table (item 5, fig-
g. Components of the AVUM No. 2 tool set are
listed and illustrated in Supply Catalog SC 4920-
1-11. Tabulated Data.
Type of construction: stressed skin alumi-
num foam-core with laminated bond between skin
b. Dimensions of the shelters are as follows:
Maximum outside dimensions (inches)
Shelter Type No.
Power requirement: 208 volt 60 Hz 3
Weight: 2200 pounds per shelter (less
(1) Ground handling is accomplished by
dolly set M-720 with brackets installed on
each shelter by fork lift or crane.
When transporting a shelter by air,
avoid dropping the shelter or sudden
jerks on the lifting rings, since serious
structural damage wiII result.
(2) Shelters are airmobile by helicopter
sling loading and by regular air cargo shipment.
(Refer to TB 43-0124.)
1-12. Electrical Power.
Electrical power is transmitted from a 60
Hz mobile electric generator through the power
distribution panel to the shelters by a heavy-duty
Be sure generator is set for 208V 3