TM 55-4920-212-15
and/or preserving materials, or technical inaccuracies
b. Authorized Forms. No forms other than those
noted in Department of the Army publications, will be
approved for the Department of the Army will be used.
reported as prescribed in AR 700-38, using DA Form
For a list of forms, refer to DA Pam 310-2.
468 (Unsatisfactory Equipment Report) or DD Form 6,
c. Field Report of Accidents.
The reports
as prescribed in AR 700-58. Such suggestions are
necessary to comply with the requirements of the Army
encouraged in order that other organizations may
Safety Program are prescribed in detail in the AR 385-
benefit.
series. These reports are required whenever accidents
Do not report all failures that occur. Report only
involving injury to personnel or damage to material
repeated failures or unsatisfactory design or material.
occur.
However, reports will always be made when
d. Report
of
Unsatisfactory
or
Damaged
exceptionally costly equipment is involved. Refer also
Equipment or Materials.
Any suggestions for
to AR 700-38 and the printed instructions on DA Form
improvement in design and maintenance of equipment
468.
and repair parts, safety and efficiency of operation, or
pertaining to the application of prescribed lubricants
Section II. DESCRIPTION AND DATA
4. Description
a. General.
Shop Set, Aircraft Maintenance,
(fig. 9), is
electrically driven with a 5
CFM
Semitrailer Mounted, C-3, Flaw Detection consists of a
capacity at 175 psi. The compressor and
semitrailer mounted van and necessary tools and
air storage tank are mounted separately
equipment for an Army aviation field maintenance shop,
operating in the field, performing the functions of a flaw
detection facility. The shop set contains four systems;
electrical,. pneumatic, water, and utility.
the air storage tank to the oil and water
separator and regulators, and from the
(1) Electrical system.
Electric current is
regulators to the ceiling outlets. The
supplied to the shop from an auxiliary
pneumatic
system
controls
and
source by means of a power cable
inserted in the external power receptacle
unit. This unit contains an oil and water
of the shop.
The external power
separator for collecting and draining off
receptacle feeds directly to the safety
accumulated oil and water, a source
disconnect switch which is provided to
pressure gage, two regulators for
enable the operator to disconnect the
maintaining a steady operating pressure,
power source from the interior of the
two operating pressure gages, check
units, and valves to control or disconnect
mounted directly above the safety
the air pressure. An auxiliary air supply
disconnect switch.
The control panel
contains 14 thermal-magnetic circuit
receiving air into the air storage tank
breakers which serve as distribution
when the compressor is not in operation
centers for the current supplied to the
and may also be used as a connection for
supplying air pressure to the other shops
when the compressor is operating.
current for small, electrically operated
(3) Water system.
The water system is
tools. Heavier equipment such as the air
designed for storing and transporting
compressor, bench grinder, lights, and
liquids without spilling; a cover,
heaters, are connected directly to the
electric control panel.
4