TB 9-5210-208-24
12. Depth Function Dial and Digital
a. Performance Check
(1) Using the gage block triangle accessory, place the end of the TI beam flush on
the triangle, then move the slide on the TI down and make contact on the surface of the
triangle with the depth bar of TI. Zero the dial caliper with the bezel ring on the dial. The
digital calipers are zeroed with the ZERO pushbutton.
(2) Make a depth measurement by ringing a gage block to the triangle accessory and
contacting the beam to the top of the gage block, then moving the slide down while guiding
the depth bar through the hole in the gage block making contact with the triangle
accessory.
(3) Measure gage blocks at low range, mid-range, and near full-range. TI will be
with in r0.001 inch for first 6 inches of beam length and r0.001 inch for each additional 6
inches of beam length. No adjustment can be made.
13. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.
7/(8 Blank)
