TM-9-2350-311-34-2 Maintenance Manual for Volume 2 M109 Cab Download

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TM 9-2350-311-34-2 1-14.14 Location and Description of Overall Sighting and Fire Control System The howitzer is provided with a sighting and fire control system capable of delivering director indirect fire. Location and description of the specific equipment is as follows: a. M117/M117A2 Panoramic Telescope and M145/M145A1 Telescope Mount. The M117/M117A2 panoramic telescope (1) and M145/M145A1 telescope mount (2) are mounted at the gunner’s position and are used for indirect fire. The M145/M145A1 telescope mount provides an adjustable base with azimuth and elevation controls. It holds the M117/M117A2 panoramic telescope sight in position. The head of the scope sights through the panoramic telescope ballistic cover on top of the cab. For information on the M117/M117A2 panoramic telescope and M145/M145A1 tele- scope mount, refer to TM 9-1240-401-34&P. 1-33