TB 9-5120-212-24
(14) Turn T-handle ccw to release applied torque.
b. Adjustments
should not need adjustment unless TI is disassembled for repair or overhaul.
(2) Adjust screws A and B (fig. 4) slightly by backing one out and advancing the
other one-quarter turn at a time.
(3) Repeat (2) above and continue adjustment in small increments until indications
are within tolerance. When correctly adjusted, screws A, B, C, and D (fig. 4) should be just
touching bellows assemblies.
(4) Remove rubber indicator protective cover.
(5) Remove lens retaining ring and lens from TI.
(6) Turn T-handle to obtain a 500 ft-lb indication on force/torque indicator. Slip dial
face to align pointer with 500 ft-lb graduation on dial face.
(7) Turn T-handle to relieve all applied torque from TI. TI must indicate within
green band at 0.
(8) Install lens, retaining ring, and protective cover.
(9) Repeat a (3) through (5) above. If TI indications are not within tolerance, repeat
b (2) through (8) above.
(10) Reseal adjustment screws with silicon rubber sealer.
a. Deenergize and disconnect all equipment.
b. For model PD 1220B affix DA Label 163 (Checked to 2% FS due to limitations of
standards)
c. Annotate and affix DA label/form in accordance with TB 750-25.