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Procedure. - TM-11-5820-222-350249
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TM-11-5820-222-35 Radio Sets AN/VRC-24 and AN/TRC-68 Manual
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Alignment of Uhf Injection Subunit Step Tuner


L301 and L302 with the tuning wand.
(19) Set the MANUAL FREQUENCY
Only slight detuning (if any) should
UNITS and the TENTHS controls
be noted in the middle of the 299.9-
to 0 and .0, respectively. Set the
to 290 .0-mc range. If considerable
TS-497/URR to the frequency indi-
detuning is noted, check the tuning
cated by the MANUAL FRE-
slugs for proper travel. The slugs
QUENCY controls.
should move linearly for given in-
(20) Check L301 and L302 with the tun-
crements of rotation. Replace any
ing wand and, if necessary, tune
worn or broken parts or replace
L301 and L302 for a maximum indi-
L301 or L302.
cation of the ME-26/U.
(21) Repeat procedures (15) through
(20) above until no further increase
134. Alignment of First Oscillator
in voltage can be obtained on the
ME-26/U.
a. Test Equipment Required.
(22) O p e r a t e the MANUAL FRE-
(1) Multimeter ME-26/U.
QUENCY controls from 299.9 to
(2) Alignment tool.
290.0 mc in . l-mc steps and tune
b. Test Setup.
the TS-497/URR frequency to cor-
(1) Perform the alignment test setup
responding frequencies. At each
control position, check the tuning of
TM 5820-222-35-118
Figure 113. Rt unit, right-side view.


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