TM 9-1240-400-34&P
2-17.
M115 PANORAMIC TELESCOPE FINAL INSPECTION INSTRUCTIONS (CONT).
SETTING UP AZIMUTH TESTING FIXTURE (CONT)
10
Set surface gage (13) on adapter fixture (6).
11
Adjust height of collimator telescope holder (12)
so reticle crossline intersection is superimposed
between collimator telescope (11) and projector
collimator (10). Secure height of telescope
holder.
12
Suspend a plumbline off to one side of projector
collimator (10).
13
Install parallax shield (14) to collimator telescope
(11).
14
Turn surface gage (13) and revolve collimator
telescope (11) until the vertical reticle line is
superimposed on plumbline. Lock collimator
telescope securely.
15
Remove plumbline and parallax shield (14).
16
Position surface gage (13) so line of sight is
obtained with projector collimator (10) and
collimator telescope (11).
17
Rotate projector collimator (10) until vertical
reticle line coincides with preplumbed reticle of
collimator telescope (11).
18
Lock projector collimator (10) in this position and
remove gage (13) from adapter fixture (6).
2-60
