TB 9-4920-463-24
a. Performance Check
NOTE
Before performing FasTrak test, apply special overlay to
Vibrex tester 11A disk. See figure 7 below for sample that can
be copied or recreated.
(1) Connect equipment as shown in figure 8 below.
(2) Place Vibrex tester 11A on its back on a flat surface.
(3) Place FasTrak on its side with pin connector to the right. FasTrak window
should be facing Vibrex tester 11A approximately 6 inches away.
(4) Switch Vibrex tester 11A to 900 RPM CAM RATE.
(5) Set Vibrex tester 11A MOTOR switch to ON.
(6) Adjust potentiometer next to CAM RATE switch until second ring from outside
on rotor disk appears stationary under 60 Hz light.
(7) Press TI keys as listed in (a) through (e) below:
(a) BALANCE.
(b) SETUP.
(c) Using field arrow keys select PICKUP.
(d) [CHANGE] to select PICKUP B.