TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 CAUTION ● Do not apply voltage to ignition air heater must be grounded. coil without a coil to air heater connection. Coil and ● Apply positive lead to pin (A) and negative lead to pin (B) or damage to coil will result. (3) Connect a 24 V dc power source to the coil input side of ignition coil (12). Observe electric arc between electrode (48) and wire (54). Arc may be steady or intermittent (about ten to thirty pulses a second) with a popping noise. f. Installation (1) If removed, install stud (16) into cylinder head. (2) Install tension clip (57) on ignition coil (12). NOTE Install nut, Iockwasher, and harness leads on stud during pump and motor assembly installation. (3) Install spacer (58), ignition coil (12), with tension clip (57), Iockwasher (55), and flat washer (56) onto stud (16). NOTE Install ignition wire from air box heater during air box heater installation. (4) Install wire (39) onto ignition coil (12). 6-23