TM 9-2320-361-10 2-32. OPERATION OF EARTH BORING AND POLESETTING MAINTENANCE TRUCKS (Contd) g. Preparing Earth Boring Machine for Travel. (1) With truck away from hole, and engine idling, place feed control lever (7) in neutral and drive control lever (6) forward (position 3, table 2-4) to lower auger (8) to rest on top of ground. (2) Remove cotter pin (13) and pin (14) from auger (8) and rack bar (12). (3) Unlock control levers (6) and (7), place feed control lever (7) forward, and drive control lever (6) back (position 5, table 2-4) to move rack bar (12) up and out of auger (8). (4) Slide rubber bumper (16) and spring (17) upon rack bar (12), and install pin (14) and cotter pin (13). (5) Place feed control lever (7) forward and drive control lever (6) back (position 5, table 2-4) to raise rack bar (12) until rubber bumper (16) touches lower thrust plate cup (15). Do not compress spring (17). 2-173