TB 9-5855-1891-40
(57) Remove GAGE BLOCK No. 1 from LEG NUMBER 2 and place GAGE BLOCK
No.1 under LEG NUMBER 3 (fig. 1 0).
(58) Move REFERENCE MIRROR to in position (fig. 7). Do not lock REFERENCE
MIRROR (fig. 7) into position.
(59) Close LOWER MIRROR OPTICAL BAFFLE and open UPPER MIRROR
OPTICAL BAFFLE (fig. 8).
(60) Repeat (27) through (37) above and record readings on new test data sheet for leg
number 3. (Mark an X in Leg Number 3 block of test data sheet for Reference Mirror in
place.)
(61) Repeat (59) above.
(62) Repeat (40) and (41) above.
(63) 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.
(64) Remove GAGE BLOCK No. 1 from LEG NUMBER 3 and place GAGE BLOCK
No. 1 under LEG NUMBER 4 (fig. 10).
(65) Move REFERENCE MIRROR (fig. 7) to in position. Do not lock REFERENCE
MIRROR (fig. 7) into position.
(66) Close LOWER MIRROR OPTICAL BAFFLE and open UPPER MIRROR
OPTICAL BAFFLE (fig. 8).
(67) Repeat (27) through (37) above and record readings on test data sheet for leg
number 4. (Mark an X in Leg Number 4 block of test data sheet for Reference Mirror in
place.)
(68) Repeat (66) above.
(69) Repeat (40) and (41) above.
(70) 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.
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