TM 9-1240-400-34&P
18
Install support and alinement assembly (13) on telescope test fixture (1).
19
Install Al block (14) on support and alinement assembly (13).
20
Install number 7 gage (15) under the Al block (14) as illustrated.
21
Tighten lock knob (10).
MOUNTING M139 ELBOW TELESCOPE ON TELESCOPE TEST FIXTURE
1
Install M139 elbow telescope (1) in support and
alinement assembly (2).
2
Tighten screw (3), but do not overtighten.
3-23