TB 9-4920-455-35
b. Adjustments. No further adjustments can be made.
9. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.
CALIBRATION PROCESS FOR BALANCE PHAZOR, MODEL 177M-6A AND
BLADE TRACKER, MODEL 135M-11
10. Preliminary Instructions
process. Personnel should become familiar with the entire bulletin before beginning the
calibration.
b. Unless otherwise specified, verify the result of each test and, whenever the test
requirement is not met, take corrective action before continuing with the calibration.
Adjustments required to calibrate the TI are included in this procedure. Additional
maintenance information is contained in the manufacturer's manual for this TI.
c. Unless otherwise specified, all controls and control settings refer to the TI.
11. Equipment Setup
WARNING
HIGH VOLTAGE is used or exposed during the performance of
this calibration.
DEATH ON CONTACT may result if
personnel fail to observe safety precautions.
REDUCE
OUTPUTS(S) to minimum after each step within the
performance check where applicable.
respective holes on the calibrator.
NOTE
Screw magnetic pickup in until it just touches interrupter
screws. Then, back out the magnetic pickup 1/6 turn to provide
clearance. Tighten jam nut on magnetic pickup.
calibrator and crossed so there will be no force from cables that might pull the cam-
followers away from cam. Connect the other end of accelerometer cables to accelerometer
channel A and B of TI.
c. Connect magnetic pickup cable between calibrator and magnetic pickup channel A of TI.
d. Connect TI dc power cable to calibrator.
e. Connect calibrator to dc power supply and adjust dc power supply output to 28V.
