TM 55-4920-221-14
CHAPTER 1
INTRODUCTION
Section I. GENERAL
1. SCOPE.
c. Report
of
errors,
omissions,
and
recommendations for improving this publication by the
a. These instructions are published for the use of
individual user is encouraged. Reports should be
operating and maintenance personnel assigned to the
submitted on DA Form 2028 (Recommended Changes
aircraft electrical test stand. They contain information
to DA Publications) and forwarded directly to
on
operation,
lubrication,
detailed
preventive
Commanding General, U. S. Army Aviation Systems
maintenance services, and maintenance of the
Command, ATTN: AMSAV-R-M, P. O. Box 209, St.
equipment, its accessories and auxiliaries; also packing,
Louis, Missouri 63166.
preservation, storing, and shipping procedures. The
applicable repair parts and special tools lists is also
2. EQUIPMENT RECORDS.
included (Appendix C).
The Army equipment record system and
procedures established in TM 38-750 apply to this
equipment. The applicable forms as required by TM 38-
publications applicable to this manual. Appendix B
7160 shall be used.
contains the Maintenance Allocation Chart.
Section II. DESCRIPTION AND DATA
5. DIFFERENCE IN MODELS.
3. DESCRIPTION.
This manual covers the United Manufacturing
The aircraft electrical test stand (figure 1)
Company, Test, Stand, Model APS, Type 18/500-1. No
consists of a control panel with meters, terminals,
other model numbers are included in this manual.
switches, and a rear panel containing the load bank
assembly, and provides facilities for loading, measuring,
6. TABULATED DATA.
and testing aircraft electrical power equipment under
a. Data.
actual load conditions. The sheet metal constructed
Manufacturer................ United Manufacturing Company
cabinet assembly completely encloses the integral parts
P/N .............................. 7085-5
of the unit.
Model ........................... APS
4. IDENTIFICATION.
Type............................. 18/500-1
The test stand has two identification and
Capacity....................... 0-18 KW-0-500 amp
instruction plates. The manufacturer's identification
plate (figure 2), mounted on the upper right section of
test stand schematic wiring diagram.
the control panel, furnishes the official nomenclature,
c. Dimension.
model, and serial number. The instruction plate (figure
shipping dimensions.
Overall depth ............... 2 ft. 6 in.
instructions for connection link arrangements.
Overall width ................ 4 ft. 7 in.
Overall height .............. 5 ft. 10-3/4 in.
1
