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 5 of 590
TECHNICAL MANUAL
No.
9-1240-401-34&P*
HEADQUARTERS
DEPARTMENT OF THE ARMY
Washington D.C., 28 July 1993
DIRECT SUPPORT AND GENERAL SUPPORT
MAINTENANCE MANUAL
(INCLUDING REPAIR PARTS AND SPECIAL TOOLS AND DEPOT
MAINTENANCE REPAIR PARTS LISTS)
FOR
TELESCOPE MOUNT: M146 (1240-00-864-0348),
ELBOW TELESCOPE: M118A2 (1240-01-092-2693),
ELBOW TELESCOPE: M118A3 (1240-01-317-9241),
TELESCOPE MOUNT: M145 (1240-00-871-2969),
TELESCOPE MOUNT: M145A1 (1240-01-313-6842),
PANORAMIC TELESCOPE: M117 (1240-00-864-2930),
PANORAMIC TELESCOPE: M117A2 (1240-00-106-7754),
FIRE CONTROL QUADRANT: M15 (1290-00-896-2236),
PERISCOPE: M42 (1240-00-864-2933),
LINKAGE ASSEMBLY (1240-00-871-5475),
AND LINKAGE ASSEMBLY (1030-01-317-9117)
REPORTING ERRORS AND RECOMMENDING IMPROVEMENTS
You can help improve this manual. If you find any mistakes or if you know of a way to improve the procedures,
please let us know. Mail your letter, DA Form 2028 (Recommended Changes to Publications and Blank
Forms), or DA Form 2028-2 located in the back of this manual direct to: Director, U.S. Army Armament and
Chemical Acquisition and Logistics Activity, ATTN: AMSTA-AC-NML
Rock Island, Illinois 61299-7630.
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
Table of Contents
CHAPTER 1
INTRODUCTION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1
Section I.
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1
Section II.
Equipment Description and Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2
Section Ill.
Principles of Operation.
.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-18
CHAPTER 2
M146 TELESCOPE MOUNT MAINTENANCE INSTRUCTIONS
. . . . . . . . . . . . . . . . . . . . . . .
2-1
Section I.
Repair Parts; Special Tools; Test, Measurement, and Diagnostic Equipment
(TMDE); and Support Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2
Section II.
Inspections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2
Section Ill.
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-4
Section IV.
Direct Support Maintenance Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-7
Section V.
Direct Support Final Inspection Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-21
*This manual supersedes TM 9-1290-322-34P, 11 April 1989; including all changes, and TM 9-1290-322-34, 22 May 1987,
including all changes.
Change 1
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