TM-9-1240-400-34-P
TELESCOPE; PANORAMIC: M115, ELBOW: M139, MOUNT: M138 AND M137
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1993
TM-9-1240-400-34-P - Page 73 of 344
TM 9-1240-400-34&P
Section VI. GENERAL SUPPORT FINAL INSPECTION PROCEDURES
2-16.
GENERAL.
a.
This section describes and illustrates the final inspection procedures for the M115 panoramic telescope.
A
final inspection will be performed prior to returning the M115 panoramic telescope to the supply system.
b.
If the M115 panoramic telescope inspected fails to meet the required standards, ensure that the maintenance
authorized at the applicable level has been performed correctly.
2-17.
M115 PANORAMIC TELESCOPE FINAL INSPECTION INSTRUCTIONS.
This task covers:
a.
Setting up azimuth testing fixture
b.
Visual inspection
c.
Eyepiece focus
d.
Parallax adjustment
e.
Image tilt adjustment
f.
Parallelism of reticle and image
g.
Collimation
h.
Plumb travel and line of sight travel
i.
Elevation mechanism backlash
j.
Deflection errors (800 mil steps) and backlash (deflection mechanism) inspections
k.
Level travel and lift inspection
I.
Counter operation and adjustment
m. Torque inspection
n.
Illumination inspection
o.
Purging and charging
INITIAL SETUP
Test Equipment
Adapter fixture with reflecting mirror (figure B-
25, item 1)
Azimuth test fixture (figure B-25, item 2)
Collimator telescope (5549108)
Dioptometer (7680631)
Precision level (7686087)
Surface gage (GGG-G-17)
Telescope holder (6121110)
Telescope holder (11738294)
Tools and Special Tools
Tool kit, electronic: system maintenance
(SC 5180-95-CL-B29)
Torque adapter (8599917)
Torque adapter (8213929)
Torque adapter (8599920)
Torque adapter (8213928)
Torque adapter (figure 4, appx D)
Torque wrench (GGG-W-686)
Reticle adjusting wrench (figure 8, appx D)
Materials/Parts
Sealing compound (item 10, appx C)
Silicone compound (item 11, appx C)
Tape (item 13, appx C)
References
TM 9-254
TM 750-116
2-57
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