TM-9-1240-401-34-P

TELESCOPE MOUNT M146: M118A2 AND M118A3; TELESCOPE MOUNT M145: M145A1; PANORAMIC TELESCOPE: M117 AND M117A2; FIRE CONTROL QUADRANT: M15; PERISCOPE: M42

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

JULY 1993

TM-9-1240-401-34-P - Page 222 of 590

TM 9-1240-401-34&P

5-26. M117/M117A2 PANORAMIC TELESCOPE FINAL INSPECTION AND ADJUSTMENT

- continued

INITIAL SET-UP

Collimator, telescope 5800955

Dioptometer holder (Item 19, appx F)

Fixture, testing, azimuth (Item 17, appx F)

Precision level (Item 20, appx F)

Projector, collimating (Item 21, appx F)

Tools

Purging kit (Item 22, appx F)

Tool Kit, Electronic System, Repair, Field Mainte-

nance (SC5180-95-CL-B29)

5180-01-168-0487

Torque adapter (Item 1, appx F)

Torque adapter (Item 2, appx F)

Torque adapter (Item 6, appx F)

Torque adapter (Item 7, appx F)

Torque wrench (in-lb) (Item 36, appx F)

Materials/Parts

Grease (Item 7, appx B)

Nitrogen, technical (Item 8, appx B)

Sealing compound (Item 13, appx B)

Shim stock (Item 19, appx B)

Tape (Item 20, appx B)

I

a. SETTING UP AZIMUTH TESTING FIXTURE

1

2

3

4

5

Install azimuth testing fixture (1) on test stand (2)

at a height suitable for operation.

Position precision level (3) on azimuth testing fix-

ture (1).

Adjust three leveling screws (4) until level (5) bub-

ble remains centered through one full rotation of

azimuth testing fixture (1).

Remove precision level (3).

Set azimuth fixture ring (6) so “0” graduation marks

coincide and lock azimuth fixture ring (6).

5-48