TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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TM 9-2815-220-34 \'\ lR l NG HARNESS Figure 2-124.1. Re111011i11g or i11s1a/fi11g s/arter 10+1 vol/age protective 111011/e -late e11gi11es. 2-46. Exhaust Manifolds or Elbows a. Removal. (I) Remove cooling fan vanes, cooling fans, cooUng fan shroud, fuel injection tube clamps and fuel injection tubes. Refer to paragraph 2-2 la. (2) Disconnect fuel retu hose ( J, fig. 2-125) and fuel return tube (2). Disconnect turbosuper- charger oH hose (3) and manifold heater fuel retu hose (4). Remove crankcase breather tube hose and clamp (5) and breather tube (6). I (2.1) On Models AVDS-1790-2C and A VDS-1790-20, remov e two ca pscrews, self-locking nuts, retaining straps, and clamp pads (fig. 2-125.1 ). Disconnect two smoke generating tube nuts from tee. Loosen tube nuts and remove TEE l el return he 2 f'uel return tubes TA26565l l 3 Tur supen:harger oil hose 4 Manifol d heater fuel return hose 5 Hose clamp 6 Crankcase breather tube Figure 2-125. Disconnecting or co11nec1ing fuel and oil Ii+es. tube adapters from exhaust man ifolds. Remove and discard smoke generating tubes. (2.2) On Model A VDS-l 790-2DR; remove two capscrews and s elf lockfog nuts securing two loop clamps (fig. 2-125" .2) to rear shrouds. Dis- connect two smoke generating tube nuts from tee. Loosen tube nuts and remove tube adapters from exhaust anifold. Remove smoke generating tubes. TA265652I 0 re 2-125.1. Removing or i+stalli11g smoke generating tem fuel tubes, model A l'DS·I 790-2C a11d A VDS·l 790-2D engines. 2·80 Change 3