TB 9-4920-463-24
(2) Set Vibrex tester 11A CAM RATE switch to 900.
(3) Set Vibrex tester 11A MOTOR switch to ON.
(4) Adjust potentiometer next to CAM RATE switch until second ring from outside
on rotor disk appears stationary under 60 Hz light.
(5) Press TI keys as listed in (a) through (n) below:
(a) BALANCE then SETUP.
(b) 4, 5, 0 (BALANCE FREQUENCY field entry).
(c) , (to select last number).
(d) 2 (entry reads x2).
(e) Using field arrow keys select BALANCE TYPE.
(f) [CHANGE] to select MAG PICKUP.
(g) Select AUTO STOP and press [CHANGE] to select MAN STOP.
(h) Using field arrow keys select PHASE UNITS.
(i) [CHANGE] to select DEGREES.
(j) Using field arrow keys select PICKUP.
(k) [CHANGE] to select CHANNEL A.
(l) Using field arrow keys select INPUT.
(m) 1, [ENTER] and wait 10 seconds.
(n) START.
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(6) TI will display 900 RPM 1, 0.40 IPS 0.04 and 275 10 .
(7) Press TI STOP key.
(7) Set Vibrex tester 11A CAM RATE switch to 1800.
(9) Adjust potentiometer next to CAM RATE switch until second ring from outside
on rotor disk appears stationary under 60 Hz light.
(10) Press TI keys as listed in (a) through (f) below:
(a) SETUP.
(b) 9, 0, 0 (BALANCE FREQUENCY field entry).
(c) , (to select last number).
(d) 2 (entry reads x2).
(e) [ENTER] and wait 10 seconds.
(f) START.
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(11) TI will display 1800 RPM 2, 0.80 IPS 0.08 and 275 10 .
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