TM 9-6115-660-13&PNOTEThe terminal lug supplied with the ground rod is too small. Use additional ground strapprovided with power unit.(1) Install impact disk (3) on rod (4). Tighten impact disk to end of threads on rod (4).(2) Install lock washer (2) and nut (1). Tighten nut (1) and lock washer (2) securely against impact disk (3).(3) If installed, remove nut (6).(4) Position hammer (5) on rod (4). Install nut (6) and tighten to end of threads on rod (4).b.Connect ground rod coupling (10) to ground rod (7) and screw slide hammer into coupling (10). Make sure that slidehammer rod (4) seats on ground rod (7).c.Drive ground rod into ground until coupling is just above surface.d.Remove slide hammer assembly and install another section of ground rod (7).e.Install another coupling (10) and the slide hammer assembly. Drive ground rod down until new coupling is just aboveground surface.f.Repeat steps d and e until ground rod has been driven eight feet or deeper, providing an effective ground.g.Connect clamp (9) and ground cable (8) to ground rod (7) and tighten clamp screw.h.Connect ground cable (8) to trailer as follows.NOTEGround terminal on high mobility trailer is different than one used on other trailers.(1) If the high mobility trailer (PU-798A and PU-799A) is being used, perform steps (5) and (6). Otherwise, performsteps (2) through (4).(2) Remove and retain wing nut (1, figure 2-7) and flat washer (2) from trailer ground stud (4) and install ground cableterminal lug (3) to ground stud (4).(3) Install flat washer (2) on ground stud (4).(4) Install wing nut (1) on the ground stud (4) and tighten.(5) Loosen nut (5) on high mobility trailer ground terminal (6).(6) Insert wire (7) through slot of ground terminal (6) and tighten nut (5).Change 2 2-31
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