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 318 of 590
6-8
TM 9-1240-401-34&P
Section V. General Support Final Inspection Procedures
6-11.
GENERAL
a. This section describes and illustrates the final inspection of the M42 periscope. A final inspection will be per-
formed prior to returning the M42 periscope to the using unit or to the supply system.
b. If the M42 periscope being inspected fails to meet the required standards, ensure all maintenance authorized at
the applicable level has been performed correctly. Then send the M42 periscope to the next higher level of main-
tenance.
c.
The M42 periscope must be purged and charged whenever the seal is broken (ref. TM 750-116).
6-12. M42 PERISCOPE FINAL lNSPECTION AND ADJUSTMENT
This task covers:
a.
Setting up inspection fixture
c.
Image tilt adjustment
b. Installing M42 periscope on inspection fixture
d. Sealing inspection
Collimator holding fixture, fabricated (fig. C-4,
appx c)
Fixture, inspection, with accessories carrying
case 5800949
Projector, collimating (Item 21, appx F)
Telescope, collimating (Item 23, appx F)
Tools
Purging kit (Item 22, appx F)
Tool Kit, Electronic System, Repair, Field
Maintenance (SC5180-95-CL-B29)
Adhesive (Item 2, appx B)
Cleaning compound (Item 3, appx B)
Nitrogen, technical (Item 8, appx B)
Screws (3) (Item 45, appx E)
TM 9-254
TM 750-116
Back to Top
