ORGANIZATIONAL MAINTENANCE INSTRUCTIONS
Section I. PREPARATION FOR INSTALLATION, STORAGE AND SHIPMENT
Normal storage procedures will apply as the contents
No special unpacking is required as the weigh-
are mounted in the carrying case which assures a
ing kit is a selfcontained assembly within the car-.
moisture- and dust-proof seal when the case lid is clos-
rying case. Normal precautions should be ex-
ed and locked. For general technical information on
ercised in handling this type of equipment.
preparation for storage and shipment refer to TM 55-
1500-204-25/1. For regulatory requirements pertaining
to equipment placed in administrative storage refer to
Visually check equipment for any damage, such
as broken knobs and dials, dents or cracks, and
Normal shipping instructions for electronic
equipment will apply.
to Prevent Enemy Use.
Refer to TM 750-244-1-5
Section Il. INSTALLATION AND PREVENTIVE MAINTENANCE
a. Equipment should be kept free of dirt and
Place kit in any convenient location within the
grease. Dust caps should be kept on electrical re-
length of the 50-foot cell cables, but clear of air-
ceptacles when not in use.
craft being weighed. A 110-volt ac or 24-volt dc
power source must be available.
b. The weighing kit should be cleaned peri-
odically with dry compressed air to prevent any
loose particles from accumulating on back of indi-
If kit has been moved to an area having
cator assembly and power supply assembly.
an appreciable difference in temper-
c. Wipe cells clean before use. Cells may be-
ature, wait 2 hours before using.
come coated with a light film of oil due to internal
a. The kit should be inspected prior to each
use for loose connections, damage, ruptured ca-
bles, or defective tubes.
Repairs may be made by direct and
b. Inspect helipots and slide wires. The zero
general support maintenance personnel
set potentiometers may become dirty, causing
only as indicated.
jittery pointer action on CELL BALANCE meter.
Contacts will be cleaned by working ZERO SET
Table 3-1 provides information useful
knobs (9, figs. 1-2 or 1-3) back and forth. If this
and correcting unsatisfactory operation or failure
does not eliminate jittery pointer movement, re-
of the weighing kit. Before looking for trouble,
turn kit to depot for overhaul. The same applies to
check the operating procedures to be sure trouble
slide wire of WEIGHT knob (8).
is not due to incorrect operation or use.