TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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Remove Install 1. Remove six-self-locking nuts (A) and bolts. 1. Position front cooling fan shroud rail (F) on cooling 2. Remove two cover plates (B). fan shroud. 3. Remove eight self-locking nuts (C) and bolts. 2. Install six self-locking nuts (E) and bolts. 4. Remove rear cooling fan shroud rail (D). 3. Position rear cooling fan shroud rail (D) on fan 5. Remove six self-locking nuts (E) and bolts. shroud. 6. Remove front cooling fan shroud rail (F). 4. Install eight self-locking nuts (C) and bolts. 5. Position two cover plates (B) on fan shroud. 6. Install six self-locking nuts (A) and bolts. Figure 6-227. Removing or installing cooling fan shroud rails and cover plates. c. Cleaning. Refer to paragraph 6-2. d. Inspection and Repair. Refer to paragraphs 6-3 and 6-4, and (1) and (2), below. (1) In the event of complete reconditioning of the engine and transmission shrouds, the rubber seals found on some shrouds must be removed and discarded. All paint must be stripped off to the bare metal before repainting. After painting install new rubber seals on shrouds as required. (2) Due to the high temperatures en- countered near the turbosupercharger the left inner shroud (21, fig. B-22). left outer shroud plate (22), turbosupercharger end shroud (24), right outer plate (29), and right inner shroud plate (31) require painting with a high tem- perature heat resisting paint MIL-P-14276, FSN 8010-815-2692, or equivalent. e. Assembly. Refer to figures 6-227 and 6-226. Remaining shroud components not assembled at this point will be assembled during engine assembly, Chapter 7. 6-192