TM-9-1240-401-34&P Technical Manual for M109 Telescopes and Mounts Download
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TM 9-1240-401-34&P d. Assembly Install two sleeve spacers (16), circuit board as- sembly (15), two new Iockwashers (14), and two machine screws (13) to reticle cage assembly (7). e. Installation 1 2 Attach wires of wiring harness (8); black wire to negative (-) terminal and white wire to positive (+) terminal on the circuit board assembly (15), using two new Iockwashers (12) and two nuts (1 1). Install wiring harness (8) on side of reticle cage assembly (7) and secure with clamp (10) and machine screw (9). 3 Install reticle cage assembly (7) in housing (5) be- ing careful not to damage wiring harness (8). 4 Install threaded ring (6) in housing (5) using fabri- cated spanner wrench. 5 Apply grease to two new preformed packings (4) and install in grooves of two access covers (3). 6 Install two access covers (3) on housing (5) and secure with eight new Iockwashers (2) and eight cap screws (1). 3-41