TM 11-5820-890-30-4
3-33. REPLACEMENT OF RF CABLES.
Tools:
3/16-inch nutdriver
Soldering kit
Wire cutters
Adjustable wrench
Expendable supplies:
Cable tiedown straps
Alcohol
Solder
Cotton swabs
References:
Paragraph 3-26 for removal and installation of test adapter from maintenance group lid.
Figure 3-12 for illustration of RF cables.
REMOVAL
ITEM
ACTION
REMARKS
a.
b.
c.
d.
e.
Cable tiedown straps
Plastic clamps (34), hex
nuts (28), flat washers
(29), and spacers (35)
SMA connector end
of RF cable
Soldered end of
RF cable
RF cable
Locate RF cable to be removed, and re-
move and discard cable tiedown straps.
Use 3/16-inch nutdriver. On the attenu-
ator (32) or the dummy load (33), re-
move and retain the affected plastic
clamps (34) and mounting hardware.
Use adjustable wrench. Unscrew and dis-
connect SMA connector of RF cable from
attenuator (32) or T-connector (53), tak-
ing care to note the position of the RF
cable to be removed.
Note position of RF cable. Use soldering
kit. Desolder RF cable and cable shield
from connector on chassis (67).
Remove and discard RF cable from chas-
sis (67), and note position and routing.
INSTALLATION
f.
g.
h.
i.
j.
RF cable
Soldered end of
RF cable
SMA connector end
of RF cable
Plastic clamps (34), hex
nuts (28), flat washers
(29), and spacers (35)
Cable tiedown straps
Insert replacement RF cable in chassis (67),
and route in previously noted position.
Use soldering kit. Solder RF cable and
cable shield to correct position and
connector.
Use adjustable wrench. Position RF cable
and connect SMA connector of RF cable
to attenuator (32) or T-connector (53).
Use 3/16-inch nutdriver. On the attenuat-
or (32) or dummy load (33), reinstall the
affected plastic clamps (34) and mounting
hardware.
Locate RF cable tiedown areas, and install
new tiedown straps.
See figure 3-12 (sheet 2).
Applies to RF cables W2,
W4, W5, and W6.
Applies to RF cables W1,
W3, W8, W9, and W10.
Before and after soldering,
clean solder joints with cot-
ton swabs and alcohol.
These were removed in
step b.
3-103
