CHAPTER 1 INTRODUCTION - TM-9-1290-357-150009Figure 1-1. Aiming circle M1, with equipment.Figure 12. Aiming circle M1, - front and rear view.Azimuth and Orienting MechanismsEquipment Issued with Aiming Circle,M1Item Identification and Caution DecalCHAPTER 2 OPERATING INSTRUCTIONS - TM-9-1290-357-150015Table 21. Controls and IndicatorsPreparation for Use - TM-9-1290-357-150017Section IV. OPERATION UNDER UNUSUAL CONDITIONS - TM-9-1290-357-150018Operation in High HumidityCHAPTER 3 OPERATOR AND ORGANIZATIONAL MAINTENANCE INSTRUCTIONSGeneral Procedures for All Services and InspectionsTable 31. Preventive Maintenance Checks and ServicesTables 3-1. Preventive Maintenance Checks and Services -- ContinuedSection IV. TROUBLESHOOTING - TM-9-1290-357-150025 General Precautions in CleaningCHAPTER 4 DIRECT SUPPORT, GENERAL SUPPORT AND DEPOT MAINTENANCE INSTRUCTIONSTable 4-1. Special Tools, Equipment, and FixturesFigure 4-1. Collimator exploded viewFigure 4-5. Collimating telescopeUniversal Vibration TesterFigure 4-7. Screwdriver and wrenchesModification Work Orders (MWO)Section V. TROUBLESHOOTING - TM-9-1290-357-150034Table 4-2. Troubleshooting - TM-9-1290-357-150035CHAPTER 5 REPAIR INSTRUCTIONSDisassembly of Elevation Mechanism and Associated Parts Disassembly of Azimuth Worm MechanismDisassembly of Eyepiece AssemblyDisassembly of Instrument light M2Assembly of Instrument light M2Assembly of Reticle AssemblyAssembly of Telescope AssemblyAssembly of Circular Level AssemblySECTION IV. FINAL TESTS, ADJUSTMENTS, AND CORRECTIONSTable 51. Tolerances for Aiming Circle, M1 Vibration TestTubular LevelInstrument Light M2CHAPTER 6 FINAL INSPECTIONCHAPTER 7 SHIPMENT AND ADMINISTRATIVE STORAGE AND DEMOLITION TO PREVENT ENEMY USESection Il. DESTRUCTION OF MATERIEL TO PREVENT ENEMY USEDestruction of the Aiming Circle, M1APPENDIX A REFERENCES - TM-9-1290-357-150057Other PublicationsAPPENDIX B COMBINED ORGANIZATIONAL, DIRECT SUPPORT, GENERAL SUPPORT, AND DEPOT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LISTMaintenance CodesAbbreviations - TM-9-1290-357-150061SECTION II. BASIC ISSUE ITEMS - TM-9-1290-357-150062SECTION III. REPAIR PARTSSECTION III. REPAIR PARTS -CONT. - TM-9-1290-357-150064SECTION III. REPAIR PARTS -CONT. - TM-9-1290-357-150065SECTION III. REPAIR PARTS -CONT. - TM-9-1290-357-150066SECTION III. REPAIR PARTS -CONT. - TM-9-1290-357-150067SECTION III. REPAIR PARTS -CONT. - TM-9-1290-357-150068SECTION III. REPAIR PARTS -CONT. - TM-9-1290-357-150069SECTION III. REPAIR PARTS -CONT. - TM-9-1290-357-150070SECTION III. REPAIR PARTS -CONT. - TM-9-1290-357-150071SECTION III. REPAIR PARTS -CONT. - TM-9-1290-357-150072SECTION III. REPAIR PARTS -CONT. - TM-9-1290-357-150073SECTION IV. SPECIAL TOOLS,TEST AND SUPPORT EQUIPMENTSECTION IV. SPECIAL TOOLS,TEST AND SUPPORT EQUIPMENT -CONT. - TM-9-1290-357-150075SECTION IV. SPECIAL TOOLS,TEST AND SUPPORT EQUIPMENT -CONT. - TM-9-1290-357-150076SECTION IV. SPECIAL TOOLS,TEST AND SUPPORT EQUIPMENT -CONT. - TM-9-1290-357-150077SECTION IV. SPECIAL TOOLS,TEST AND SUPPORT EQUIPMENT -CONT. - TM-9-1290-357-150078FIGURE B1. AIMING CIRCLE, M1 (AZIMUTH AND ORIENTING MECHANISM) --PARTIAL EXPLODED VIEWFigure B2. Telescope and main body assemblies-- exploded view.Figure B3. Magnetic needle, body assembly and associated parts--exploded viewFigure B4. Body assembly--exploded viewFigure B5. Circular level vial assembly--exploded viewFigure B6. Magnetic needle magnifier assembly--partial exploded viewFigure B8. Azimuth worm mechanism-- exploded viewFigure B9. Orienting mechanism and housing assembly-- partial exploded view.Figure B10. Orienting mechanism and housing assembly--partial exploded viewFigure B11. Telescope assembly--partial exploded viewFigure B13. Eyepiece assembly-exploded viewFigure B15. Reticle assembly--exploded viewFigure B16. Objective assembly--exploded viewFigure B17. Objective cell assembly--exploded viewFigure B18. Tripod M5 assembly-partial exploded viewFigure B20. Support assembly and associated componentsFigure B22. Instrument light M2-exploded viewFEDERAL STOCK NUMBER AND REFERENCE NUMBER - TM-9-1290-357-150096FEDERAL STOCK NUMBER AND REFERENCE NUMBER - TM-9-1290-357-150097APPENDIX C MAINTENANCE ALLOCATION CHARTExplanation of Columns - TM-9-1290-357-150100SECTION II. MAINTENANCE ASSIGNMENTSECTION III. TOOL AND TEST EQUIPMENT REQUIREMENTS - TM-9-1290-357-150102TM-9-1290-357-15 Aiming Circle M1 W/E 1290-671-6145 Manual