TM-9-1240-400-34&P Technical Manual for M109 Telescopes and Mounts Download

Page 146 of 344

TM 9-1240-400-34&P ASSEMBLY AND ALINEMENT OF V-BLOCK ADAPTER ASSEMBLY 1 Secure V-block (1) (figure 11, appx D) to base (2) (figure 11, appx D) with two 10-24 x ½ screws (3). 2 Secure clamp (4) (figure 11, appx D) to V-block (1) with 10-24 x 3/8 screw (5). 3 Install 10-24 x 1/2 screw (6) in top of clamp (4). 4 With V-block (1) in upward position, use C-clamp (7) to secure V-block adapter (8) to plate (9). 5 Install V-block adapter assembly (10) on leveled surface plate (11) and insert two 1.00-in. (2.54-cm) dowel pins (12) in the 0.25-in. (0.64-cm) holes. Place a 6.00-in. (15.24-cm) parallel bar (13) across two dowel pins (12). 4-21