TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-401-34&P I 3-29. M118A2/M118A3 ELBOW TELESCOPE FINAL INSPECTION AND ADJUSTMENT - continued I g. LEVEL VIAL ADJUSTMENT - continued I 7 Apply sealing compound (item 15, appx B) in space (A) between brass portion of level (1) vial assembly and mount. 8 Apply sealing compound (item 13, appx B) to slot (B) of plug and threads of mount (5). I h. WORMSHAFT ASSEMBLY KNOB TORQUE INSPECTION 1 With level vial bubble centered and eyepiece arm vertical, use torque adapter (8599927) and torque wrench on wormshaft assembly knob (1), check that running torque is between 6 and 10 pound- inches (0.67 and 1.13 N-m). Rotate wormshaft as- sembly knob (1) one turn in each direction. 2 If torque requirement is not met in step 1, repair wormshaft assembly (ref. para 3-15). Section VIl. General Support Leak Test Procedures I 3-30. Ml18A2/M118A3 ELBOW TELESCOPE LEVEL ASSEMBLY LEAKAGE TEST INITIAL SET-UP Tools and Special Tools Materials/Parts Nitrogen, technical (Item 8, appx B) Adapter, leak test, fabricated (fig. C-1, appx Wiping rag (Item 12, appx B) c) Equ ipment Condition M118A2/M1 18A3 elbow telescope removed Purging kit (Item 22, appx F) from howitzer (TM 9-2350-311-10) Level assembly removed, M118A3 Tool Kit, Electronic System, Repair, Field (ref. para 3-18) Maintenance (SC5180-95-CL-B29) Level assembly removed, M118A2 5180-01-168-0487 (ref. para 3-19) 3-52