TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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Figure J-14. Disco1111ect111g or co1+1ecti11y l"iyht]i·o11t oil rofl/1'1" 1w11p1wt .a 1'. I I 3 Ignition unit TM 9-2815-220-34 (3) Disconnect manifold heater spark plug electrical lead, (1, fig. 3-15) remove two capscrews and self-locking nuts (2) and remove ignition unit (3) with clamps and lead. Remove clamps and·dis- connect lead from ignition unit. (4) Disconnect manifold air heater fuel inlet tube from nozzle inlet elbow (4). Disconnect man- ifold air heater fuel retu tube (5). Remove six capscrews and self-locking nuts (6) securing oil cooler support frame. Remove screw and self- Jocking nut (7) securing support frame to tur- bosupercharger support bracke� (5) Remove self-locking nut, machine bolt, grommet and two spacers (1, fig. 3-16) and remove turbosupercharger support bracket (2). Remove three assembled washer bolts (3) securing rear shroud to oil cooler support frame (4), and remove transmission upper shroud assembly (5) and sup- port frame. NOTE Model AVDS-1790-2DR has five assem- bled washer bolts (3, fig. 3-16) securing rear shroud to the oil cooler frame, and is not equipped with a transmission upper shroud (5). TA265676B I Manifold healel' spal'k lug electrical lead 4 Nozzle inlet elbow S Manifold heater fuel l'etu tule 6 Capscrew and slf-lticking nut 7 Capscrew and self-locking nut 2 Capscrew and self-locking nut Figure 3-15. Disco1111ecti11g or tulinectii1g rig/I/ side oil t'Oull'r support frame. Change 3 3-9