TM 55-6670-200-14&P
INTRODUCTION
Section I. GENERAL
1-1. Scope.
These instructions cover the aircraft electronic
Report of errors, omissions, and recommendations for
weighing kit, (fig. 1-1) part numbers C-7500 and
improving this publication by the individual user is en-
C-46500, and provide complete information for
couraged. Reports should be submitted on DA Form
operation, maintenance, inspection, overhaul, and
2028, Recommended Changes to Publications and
testing.
Blank Forms, and forwarded direct to Commander, US
Army Aviation Systems Command, ATTN: AMSAV-MMD,
4300 Goodfellow Blvd., St. Louis, Missouri 63120-1798.
DA PAM 738-751 lists the forms used by
operating and maintenance personnel for recor-
ding and reporting operational, direct support, and
general support.
Section Il. DESCRIPTION AND LEADING PARTICULARS
and is numbered every 50 pounds. The CELL
Description.
1-4.
BALANCE switch (1) turns on the milliammeter
a. The aircraft electronic weighing kit is a
(5). When the spring-loaded BATTERY VOLTAGE
complete unit for weighing an aircraft. A power
switch (3) is ON, the milliammeter gives an in-
supply of 110-volts ac or 24-volts dc is required
stantaneous reading of power supply voltage and
and, in some cases, specialized jacks may be re-
insures that proper polarity prevails when bat-
quired.
teries are used.
b. The kit consists of a carrying case con-
e. The power supply assembly provides the
taining the indicator assembly and the power sup-
controls to select 110-volts ac or 24-volts dc and
ply assembly. The cells, cables, adapters, and ac-
to adjust the ac voltage. In addition, the AC LINE
cessories are stored in spaces provided within the
fuse holder (11) and the AC LINE receptacle (12)
carrying case (fig. 1-1).
are located on the power supply panel. The dc
connection extends from the right of the indicator
c. The indicator assembly is accessible for
assembly.
maintenance and is easily removed from the car-
rying case. The circuits, adjustable resistances,
and amplifying equipment of the indicator assem-
Although similar in appearance, they are not in-
bly are contained in a dust proof box. The control
terchangeable; each must be matched to its cor-
panels are shown in figures 1-2 and 1-3.
responding color-coded cable. Each cell weighs
approximately 3 pounds and has a capacity of
d. The CELL SELECTOR (6) is used to select
50,000 pounds. The cells have a tapped hole on
the cell from which load recording is to be taken.
the bottom to receive the plug adapter which fits
The ZERO SET knobs (9) are provided to adjust
into the jack. The top of the cell is shaped to re-
balance of cells at NO LOAD condition. The lN-
ceive the spherical adapter or AN spherical jack
ITIAL LOAD knob (7) has a direct reading dial
pad. An electrical receptacle is located on the
f r o m 0 to 50,000 pounds in 5,000-pound in-
side of the cell to plug in the 50-foot cable which
crements. The WEIGHT dial (10) is calibrated
connects cell and indicator assembly.
from 0 to 5,000 pounds in 10-pound graduations
