TM 11-6625-3053-14
STEP
OPERATION
NORMAL INDICATION
CORRECTIVE ACTION
5
Loosen the 8-32 alien cap
(cont'd)
screw holding the push rod
disk.
Carefully adjust penetration
of push rod disk with thumb
and forefinger of both hands
until the instrument
frequency and the frequency
counter agree with 1520 GHz
within +/-1 MHz.
NOTE
Move the push rod yoke disk TOWARD the klystron tube to INCREASE output
frequency, and AWAY rom the klystron tube to LOWER it.
Tighten cap screws when
adjustment completed.
Decrease the sig gen freq to a reading of 1300 MHz and POWER SET instrument.
Modes should be centered on scope, per figure 6-10C, and
within +/- 2-1/2 MHz.
If modes not centered, adjust
LOW pot R3 on tracking board.
Touch up R2 LOW MODE if
necessary.
If frequencies in agreement, go to
1010 MHz on sig gen. If
frequencies were not brought into
agreement by this adjustment to
within +/- 2-1/2 MHz, cam tabs
must be adjusted as follows:
To loosen cam tab, place 6-32
allen wrench in center of tab
adjustment system. Place ad-
justable wrench on hex nut and,
holding alien wrench fixed, turn
adjustable wrench counter
clockwise.
6-36
