TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 91240-400-34&P ALPHABETICAL INDEX (CONT) Subject Page Checking and adjusting counter and stop assembly ....................................................... 5-63 Checking and adjusting cross-level knob torque and backlash ...................................... 5-58 Checking and adjusting elevation and correction counters alinement ....................... 5-65 Checking and adjusting elevation knob torque and backlash ...................................... 5-59 Checking and adjusting level vials................. 5-57 Checking illumination of M137 telescope mount ............................................................ 5-69 Checking M137 telescope mount accuracy ........................................................ 5-66 Checking M137 telescope mount cant correction ....................................................... 5-68 Checking M137 telescope mount rigidity....... 5-69 Inspecting and adjusting level bar ................. 5-56 Mounting M137 telescope mount on cross-leveling fixture...................................... 5-56 Setting up and adjusting cross-leveling fixture ............................................................. 5-53 Visual inspection............................................ 5-54 Final inspection instructions, M138 telescope mount: Assembly and alinement of V-block adapter assembly ................................ 4-21 Deflection adjusting range ................... 4-26 Deflection locking torque ..................... 4-26 Elevation adjusting range .................... 4-27 Elevation locking torque....................... 4-27 Instrument light .................................... 4-28 Setting up V-block adapter assembly .. 4-23 Telescope locking clamp ..................... 4-28 Visual inspection.................................. 4-25 Final inspection instructions, M139 elbow telescope: Eyepiece assembly focus inspection and adjustment ........................................... 3-19 Illumination inspection ......................... 3-28 Subject Page Mounting M139 elbow telescope on telescope test fixture ................... 3-23 Parallax inspection and adjustment3-24 Purging and charging .................. 3-28 Reticle plumb/collimation inspection and adjustment ................................... 3-24 Setting up and adjusting telescope test fixture............................................ 3-20 Visual inspection .......................... 3-19 H Head assembly, general support maintenance: Cleaning ............................................... -25 Disassembly ......................................... -22 Reassembly.......................................... -25 Repair ................................................... 2-25 Troubleshooting.................................... 2-10 How to use this manual .................................. v I Illustrated list of manufactured items ............. D-1 Instrument light, direct support maintenance: Cleaning ............................................... 4-16 Disassembly ......................................... 4-14 Reassembly.......................................... 4-17 Repair ................................................... 4-17 L Level assembly, direct support maintenance: Cleaning ............................................... 5-26 Disassembly ......................................... 5-24 Reassembly.......................................... 5-26 Repair ................................................... 5-26 Troubleshooting.................................... 5-7 Location and description of major components ................................................... 1-4 Index 3