(4) Inspect terminals of large fixed capacitors
(9) Inspect the speaker case for rust,
and resistors for corrosion, dirt, and loose
scratcher dirt, and moisture. Tighten
contacts.
all screws (fig. 5).
(10) Inspect the speaker cord for breaks,
(5) Clean and tighten switches and interiors
frayed insulation, dirt, and moisture.
of chassis not readily accessible (figs. 134-
Inspect the plug and all connections
137).
(6) Inspect terminal blocks for loose connec-
(11) Inspect cabling for mildew, tears, and
tions, cracks, and breaks.
fraying.
(7) Remove dirt and grease from the motor.
(12) Inspect for looseness of accessible items
Inspect the mounting screws and wire
such as switches, jacks, knobs, trans-
connections. Lubricate the equipment
formers, motor mount, and drum (figs.
in accordance with applicable Depart-
ment of the Army Lubrication Order
(13) Inspect and clean the DB METER
window and the clutch window.
(14) Remove dirt, dust, and grease from the
(8) Clean and tighten connections for trans-
lead screw and meters (fig. 119).
formers, chokes, potentiometers, and
(15) Lubricate the equipment in accordance
rheostats (figs. 134-137).
with instructions contained in the lubri-
(9) Inspect transformers, chokes, and all con-
cation order (par. 44). Inspect the
trols for overheating.
weatherproofing (pars. 48-53).
(10) Inspect for worn or loose parts.
b. Internal Preventive Maintenance.
Caution: Disconnect all power before per-
(11) Check the moistureproofing and fungi-
forming the following operations. Upon comple-
proofing (par. 48).
tion, reconnect power and check for satisfactory
(12) Check for corrosion at all soldered con-
operation.
nections. Inspect all wiring.
(1) Inspect electron tubes for loose envelopes
(13) Clean all key type switches. Inspect
and cracked sockets (figs. 9 and 10):
the contacts for proper contact and burn
clean them carefully.
spots.
(2) Inspect fixed capacitors for leaks, bulges,
(14) Inspect and clean the lenses and lamps
and discoloration (figs. 129 and 130).
(3) Inspect resistors for cracks, chipping,
in the optical systems. Check the lens
blistering, discoloration, and moisture
assemblies for looseness (figs. 120, 121,
and 122).
Section Ill. LUBRICATION
a. Compliance with Department of the Army
Lubrication Orders. Instructions contained in
Orders
lubrication orders are mandatory and supersede
Department of the Army lubrication orders are
all conflicting lubrication instructions of an earlier
illustrated, numbered, and dated cards or decalco-
date. Applicable lubrication orders which are
mania labels that prescribe approved organiza-
available must be obtained and carried with the
tional lubrication instructions for mechanical
equipment at all times, and fully complied with.
equipment which requires lubrication by using
Difficulties experienced in obtaining and comply-
organizations. Current available lubrication or-
ing with such orders will be reported through
ders are listed in the latest issue of DA Pamphlet
technical channels.
310-4, Index of Technical Manuals, Technical
Regulations, Technical Bulletins, Supply Bulle-
b. Location of Department of the Army Lubrica-
tins, Lubrication Orders, and Modification Work
Orders. Lubrication orders should be requisi-
S e t s AN/TXC-1, AN/TXC-1A, AN/TXC-1B,
tioned in conformance with instructions and lists
AN/TXC-1C, and AN/TXC-1D, is located on the
in DA Pamphlet 310-4.
top right side of the chassis base of Facsimile
