TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download

TM 9-2815-220-34 4 8 9 J ) 8 1 0 1 1 � · � Q 0 \ 12 � \ \\ 12 3 12 1 6 12 � 17 -18 / � 1 9 21 2 0 � -17 2S 22 I Cl'ankcase breather tube gasket 2 Self-locking nut 3 Air rluct hose 4 Tube 5 Self-locking nut G Flnt washer 7 Loop clamp 8 Crankcase breather tube g+sket 9 Rest1ictor plate 10 Lockwasher 11 Capscrew 12 Hose clamp 13 Non-metallic hose 14 Bent tube 15 Air duct hose 16 Crankcase breather tee 17 Loop clamp 18 Machine screw 19 Loop clamps 20 Self-lking nut 21 Loop clamp 22 Tube assembly 7 Plain nut 8 Straight adapter 25 Sh·aight adapter 26 Lock wher TA265722 I I Figure 3-289. Crankcase breather tube and fire extinguisher tube -ep/ndrtl t•ic1c•. and remove sol e n o id valve from mounting bracket (27). (3) Unscrew and separatc filter head ( 14, fig. 3-280) and filter bowl ( 17). Remove filter element ( 15). Remove and discard preformed packing (16). b. aea11i11g. !11speclio11, and Repair. Refer to pagphs 3-36 through 3-38. (I) l!eater tubes. Flush rigid heater tubes (I 0, fig. 3-267 and 38, fig. 3-268) thoroughly and dry with compressed air. Clean plastic tubes (5, fig. 3-267 and 30, fig. 3-268) wilh a clean dry cloth and blow tubes out with filtered compJesscd air. Inspect tube fillings for stripped or damaged threads. Jnspect tubes for inleol diameter re- I duction at tube nut fcrrul. Repla�e tubes that arc split or kinked or when fittings arc damaged, or ends are crushed. Replace tubes when inteal B diameter is reduced enough to restrict fuel flow. · (2) lleater fuel filter. Replace filter element if deformed or if embedded with foreign material. (3) Electrical compo11e11 ts. Inspect heatcr elec- trical leads (21, fig. 3-267 and 37, lig. 3-268) and ignition units (22, lig. 3-267 and 36, fig. 3-268) for cracks, continuity, and other damage. Replace leads and ignition units that fail lo pass continuity tcsl. Change 3 3·201