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.
13. Final Procedure
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.