DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE …

1 TM 9-1240-401-34&PSEE PAGE i FOR DETAILSDEPARTMENT OF THE ARMYTECHNICAL MANUALDIRECT SUPPORT AND GENERAL SUPPORTMAINTENANCE manual ( including repair PARTS AND SPECIALTOOLS AND DEPOT MAINTENANCEREPAIR PARTS LISTS)FORTELESCOPE 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)DISTRIBUTION STATEMENT A. Approved for public release; distribution is , DEPARTMENT OF THE ARMY 28 JULY 1993l Solvents and Cleaning Materials Appropriate safety precautions must be taken while using cleaningmaterials that may present fire hazards, cause skin irritations, or have toxic effect when breathed in highvapor vapors are toxic.

2 Do not use solvent in a confined space. Avoid long periods of breathing solventvapors and/or contact with Pressure Gas and Air: High pressure nitrogen gas is used during purging and charging of thisequipment. Keep face and body clear of release valves. Failure to observe safety precautions may resultin severe injury or and Sealing Compounds Use adhesives, cleaning solvents, and sealing compounds in well-ventilated area away from open flame. Adhesives, cleaning solvents,, and sealing compounds are harmfulto skin and clothing, can bum easily, and may give off harmful to FM 21-11, First Aid For Soldiers, for correct procedures to be taken if personnel are :071453-001 CHANGEHEADQUARTERSDEPARTMENT OF THE ARMYNO. 1 Washington , 9 March 1998TM 9-1240-401-34&PC1 DIRECT SUPPORT AND GENERAL SUPPORTMAINTENANCE manual ( including repair PARTS AND SPECIAL TOOLS AND DEPOTMAINTENANCE repair PARTS LISTS)FORTELESCOPE 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.

3 M42 (1240-00-864-2933),LINKAGE ASSEMBLY (1240-00-871-5475),AND LINKAGE ASSEMBLY (1030-01-317-9117)TM 9-1240-401-34&P, 28 July 1993, is changed as old pages and insert new pages as indicated or changed material is indicated by a vertical bar in the margin of the or revised illustrations are indicated by a vertical bar adjacent to the illustration or by a miniaturepointing Pagesi through v/(vi blank)1-1 through 1-41-13 through 1-184-37 and 4-385-39 through 5-46 NoneA-1 and A-2B-1 and B-2C-1 and C-2 NoneD-1 and D-2 Insert Pagesi through v/(vi blank)1-1 through 1-41-13 through 1-244-37 and 4-385-39 through through (5-1-76 blank)A-1 and A-2B-1 and B-2C-1 and C-2C-13/(C-14 blank)D-1 and D-2 DISTRIBUTION STATEMENT A:Approved for public release;distribution is PagesInsert PagesD-5 through D-59-1 BulkD-60-1/(Blank)l-1 through l-58E-1 through E-4 Index 1 through Index 8 Front cover and Warning pageD-5 through D-76-1/(Bulk)I-1 through I-40E-1 through E-4 Index 1 through Index 11/(lndex 12 blank)Front cover and Warning this sheet in the front of the manual for reference Order of the Secretary of the Army:DISTRIBUTION:To be distributed in accordance with initial distribution number(IDN) 410430 requirements for TM 9-1240-401-34& MANUALNo.

4 9-1240-401-34&P*HEADQUARTERSDEPARTMENT OF THE ARMYW ashington , 28 July 1993 DIRECT SUPPORT AND GENERAL SUPPORTMAINTENANCE manual ( including repair PARTS AND SPECIAL TOOLS AND DEPOTMAINTENANCE repair PARTS LISTS)FORTELESCOPE 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 IMPROVEMENTSYou 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 BlankForms), or DA Form 2028-2 located in the back of this manual DIRECT to: Director, Army Armament andChemical Acquisition and Logistics Activity, ATTN: AMSTA-AC-NMLRock Island, Illinois STATEMENT A.

5 Approved for public release; distribution is of ContentsCHAPTER 1 INTRODUCTION ..1-1 Section ..1-1 Section Description and Data ..1-2 Section of ..1-18 CHAPTER 2M146 TELESCOPE MOUNT MAINTENANCE INSTRUCTIONS ..2-1 Section Parts; Special Tools; Test, Measurement, and Diagnostic Equipment(TMDE); and SUPPORT Equipment ..2-2 Section ..2-2 Section ..2-4 Section SUPPORT MAINTENANCE Procedures ..2-7 Section 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 1iTable of Contents - continuedPageCHAPTER 3M118A2/M118A3 ELBOW TELESCOPE MAINTENANCE INSTRUCTIONS .. 3-1 Section Parts; Special Tools; Test, Measurement, and Diagnostic Equipment(TMDE); and SUPPORT SUPPORT MAINTENANCE SUPPORT MAINTENANCE SUPPORT Final Inspection SUPPORT Leak Test 4M145/M145A1 TELESCOPE MOUNT MAINTENANCE INSTRUCTIONS.

6 4-1 Section Parts; Special Tools; Test, Measurement, and Diagnostic Equipment(TMDE); and SUPPORT SUPPORT MAINTENANCE SUPPORT MAINTENANCE SUPPORT FinalInspection 5M117/M117A2 PANORAMIC TELESCOPE MAINTENANCE INSTRUCTIONS .. 5-1 Section Parts; Special Tools; Test, Measurement, and Diagnostic Equipment(TMDE); and SUPPORT SUPPORT MAINTENANCE SUPPORT MAINTENANCE SUPPORT Final Inspection FIRE CONTROL QUADRANT MAINTENANCE INSTRUCTIONS.. Parts; Special Tools; Test, Measurement, and DiagnosticEquipment (TMDE); and SUPPORT SUPPORT MAINTENANCE SUPPORT MAINTENANCE SUPPORT Final Inspection 6M42 PERISCOPE MAINTENANCE INSTRUCTIONS .. 6-1 Section Parts; Special Tools; Test, Measurement, and Diagnostic Equipment(TMDE); and SUPPORT SUPPORT MAINTENANCE SUPPORT Final Inspection 1iiPage 7 LINKAGE ASSEMBLY MAINTENANCE INSTRUCTIONS.

7 7-1 Section I. repair Parts; Special Tools; Test, Measurement, and Diagnostic Equipment(TMDE); and SUPPORT II. 7-2 Section III. 7-3 Section IV. DIRECT SUPPORT MAINTENANCE 7-5 APPENDIX A REFERENCES .. A-1 APPENDIX B EXPENDABLE AND DURABLE ITEMS LIST .. B-1 Section I. B-1 Section II. Expendable andDurable Items C ILLUSTRATED LIST OF MANUFACTURED ITEMS.. C-1 Section I. C-1 Section II. C-1 Leak Test C-2 One PieceEccentric C-3 Two Piece Eccentric C-4 Collimator C-5 Spanner C-6 Spanner C-7 Spanner C-8 Electrical C-9 Insulation Sleeving (Non-shrinkable).. C-10 Insulation Sleeving (Shrinkable).. C-11 Rigidity Test C-12 Quadrant C-13C-1C-2C-3C-4C-5C-6C-7C-8C-9C-10C-11C -12 APPENDIX D DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE REPAIRPARTS AND SPECIAL TOOLS LIST ( including DEPOT MAINTENANCEREPAIR PARTS AND SPECIAL TOOLS).

8 D-1 Section I. II. repair 1806 Mount, Telescope, M146 1806 Mount, Telescope, M146 8616011- 1806 Mount, Telescope, M146 8616011- 1806 Mount, Telescope, M146 8616011- Cable Assembly 1807 Telescope, Elbow, M118A2/M118A3 11829207 and Elbow Telescope Subassembly Telescope 1D-1D-2D-3D-4D-4D-5D-6D-7D-8D-8iiiTable of Contents - DDIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE REPAIRPARTS AND SPECIAL TOOLS LIST ( including DEPOT MAINTENANCEREPAIR PARTS AND SPECIAL TOOLS) - D-1 Group1808 Group1808 Group1808 Group1808 Group1808 Group1808 Group1808 Group180818070102 Cell Assembly 8215796 ..D-8-1180701 Elbow Telescope Subassembly 10512983 ..D-9-118070103 Cell Assembly 10512979 ..D-10-1180702 Elbow Telescope and Reticle Cage Assembly 11834882 and 9356016 ..D-11-1180702 Elbow Telescope and Reticle Cage Assembly 11834882 and 9356016- continued.

9 D-12-118070201 Cell Assembly 8215783 ..D-12-118070202 Wormshaft Assembly 8615844 ..D-13-118070203 Cover Assembly 10543756 ..D-14-118070204 Wiring Harness Level Assembly 12599348 and 11731291 ..D-16-118070206 Reticle Cage Assembly 12599350 and 11834878 ..D-17-11807020601 Cell Assembly 11834879 ..D-17-1180703 Elbow Telescope Subassembly 8615791 ..D-18-118070301 Cell Assembly 8215808 ..D-18-118070302 Cell and Housing Assembly 8215761 ..D-19-1 Mount, Telescope, M145/M145A1 8267701-2 and 8267701-1 ..D-20-1 Mount, Telescope, M145/M145A1 8267701-2 and 8267701-1- continued ..D-21-1 Mount, Telescope, M145/M145A1 182677012 and 8267701-1- , Telescope, M145/M145A1 18267701-2 and 8267701-1- continued ..D-23-1 Mount, Telescope, M145/M145A1 18267701-2 and 8267701-1- continued ..D-24-1 Mount, Telescope, M145/M145A1 18267701-2 and 8267701-1- , Telescope, M145/M145A1 18267701-2 and 8267701-1- , Telescope, M145/M145A1 18267701-2 and 8267701-1- continued.

10 D-27-1180801 Housing Assembly 8587561 ..D-27-1180802 Disk Assembly 11728942 and 8267722 .. D-28-1180803 Level Assembly 8215836 ..D-29-1180804 Quadrant SUPPORT Assembly 8267714-2 and 8267714-1 ..D-30-1180804 Quadrant SUPPORT Assembly 8267714-2 and 8267714-1- continued ..D-31-1180804 Quadrant SUPPORT Assembly 8267714-1 ..D-32-1180805 Counter Box Assembly 8267711 ..D-33-1180805 Counter Box Assembly 8267711- continued ..D-34-1180805 Counter Box Assembly 8267711- continued ..D-35-1180805 Counter Box Assembly 8267711- ..D-36-1180806 Segment Assembly 8267742 ..D-37-1 Telescope, Panoramic, M117/M117A2 7660400 and 11739510 ..D-38-1 Telescope, Panoramic, M117/M117A2 7660400 and 11739510 - continued ..D-39-1 Telescope, Panoramic, M117 7660400 - continued ..D-40-1 Telescope, Panoramic, M117A2 11739510 - continued ..D-41-1 Group1809 Group1809 Group1809 Group1809D-8D-9D-10D-11D-12D-12D-13D-14D -15D-16D-17D-17D-18D-18D-19D-20D-21D-22D -23D-24D-25D-26D-27D-27D-28D-29D-30D-31D -32D-33D-34D-35D-36D-37D-38D-39D-40D-41i vChange 1 Page 1809 Telescope, Panoramic, M1171M117A2 7660400 and 11739510 - D-42 Group 1809 Telescope, Panoramic, M1171M117A2 7660400 and 11739510 - D-43 Group 1809 Telescope, Panoramic, M1171M117A2 7660400 and 11739510 - continued.