TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download
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3-47 TM 9-1240-401-34&P Section VI. General Support Final Inspection Procedures 3-28. GENERAL a. This section describes and illustrates the final inspection of the M118A2/M118A3 elbow telescope. A final inspec- tion will be performed prior to returning the M118A2/M118A3 elbow telescope to the using unit or to the supply system. b. If the M118A2/M118A3 elbow telescope being inspected fails to meet the required standards, ensure all mainte- nance authorized at the applicable level has been performed correctly. Then send the M118A2/M118A3 elbow telescope to the next higher level of maintenance. c. The M118A2/M118A3 elbow telescope must be purged and charged (TM 750-116) whenever the seal is broken. 3-29. M118A2/M118A3 ELBOW TELESCOPE FINAL INSPECTION AND ADJUSTMENT This task covers: a. Setting up telescope fixture e. Reticle accuracy inspection b. Installing M118A2//M118A3 elbow telescope on f. Collimation inspection telescope fixture c. Parallax adjustment g. Level adjustment d. Eyepiece focus adjustment h. Wormshaft assembly knob torque inspection Test Equipment Fixture, telescope, with accessories carrying case Tubular spanner wrench, 1-7/16 and 1-29/64 5800954 inch (Item 30, appx F) Projector, collimating (Item 21, appx F) Tubular spanner wrench, 2 and 2-1/64 inch Telescope, collimating (Item 23, appx F) (Item 33, appx F) Tools and Special Tools Eccentric tool, fabricated (fig. C-3, appx C) Sealing compound (Item 13, appx B) Sealing compound (Item 15, appx B) Tool Kit, Electronic System, Repair, Field Mainte- References nance(SC5180-95-CL-B29) 5180-01-168-0487 TM 750-116 Torque adapter (Item 9, appx F) M118A2/M118A3 elbow telescope removed from Torque wrench (in-lb) (Item 36, appx F) howitzer (TM 9-2350-311-10)