TM 9-4935-294-15/2
Figure 4-17. S-Band Rf Head, Exploded View.
(9) Slide BWO tube (14) from rf head chassis (41).
(3) Obtain four replacement male connector
(10) Remove male connector contacts 7, 16, 19,
contacts 7923076. Obtain installation and crimping tool
and 23 (refer to 13, fig. 4-12) from connector (10, fig. 4-
7919871.
Note. To install the male connector contacts, follow
12).
Follow applicable procedures as outlined in
e(2) (a).
from BWO tube (14) by removing four screws (18) and
(4) Install male connector contact 7 (refer to 13,
four washers (5).
b. Replacement of BWO Tube 7923108.
(5) Install male connector contact 16 on black
(1) Obtain a replacement BWO tube; unpack and
harness (heater) lead.
inspect for possible shipping and/or handling damage. If
(6) Install male connector contact 19 on red
BWO tube is in satisfactory condition, proceed with the
harness (helix) lead.
installation. Perform installation procedures in a location
(7) Install male connector contact 23 on orange
free from possible magnetic fields. Use a work
harness (collector) lead.
surface that is non-magnetic.
tube (14) and attach with screws (18) and washers (5).
Caution. The balun and N connector are integral
(9) Place BWO tube (14) within rf head chassis (41)
parts of BWO tube and should not be disassembled.
and aline tube bracket mounting
(2) Remove protective cover from the output
connector.
Change 1 4-26
TM-9-4935-294-15/2