TB 9-5855-1891-40
Figure 9. Lab standard mirror setup.
(41) Repeat (27) through (36) above and record readings on test data sheet under Lab
Standard columns (Window 1, Window 2, and Window 3).
(42) Perform computations listed on test data sheets. If TI computed deviation is
greater than 3.71 as indicated on test data sheets, retest and repair as necessary.
(43) Close LOWER MIRROR OPTICAL BAFFLE and open UPPER MIRROR
OPTICAL BAFFLE (fig. 8).
(44) Move REFERENCE MIRROR (fig. 7) to in position, but do not lock REFERENCE
MIRROR (fig. 7) in place.
(45) Place GAGE BLOCK No. 1 under LEG NUMBER 1 (fig. 10).
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