TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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Disassemble Note. The left camshaft cover plate assembly and associated parts are similar to the right cam shaft cover plate and may be disassembled in a similar manner. 1. Cut locking wire and remove four cap screws (A) and flat washers. 2. Separate and remove tachometer drive adapter (B) from camshaft end plate. 3. Remove and discard preformed packing (C). 4. Remove, and discard camshaft end plate oil seal (D). 5. Remove bushing-type bearing (E) only if inspection (para. 6-44c) indicates the need for replacement. To remove, press bearing from end plate. Assemble 1. If bushing-type bearing (E) was removed, press bearing into camshaft end plate. 2. Position a new camshaft end plate oil seal (D) in end plate. 3. Position a new preformed packing (C) in tachometer drive adapter (B). 4. Position tachometer drive adapter (B) on camshaft end plate. 5. Install four cap screws (A) and flat washers and install locking wire securing screws. Figure 6-213. Disassembling or assembling right camshaft cover plate. b. Cleaning. Refer to paragraph 6-2. (2) Refer to paragraph 6-4e and table 6-35 c. Inspection and Repair. Refer to paragraphs when replacing studs. 6-3 and 6-4, and (1) through (3), below. (3) Inspect and repair camshaft as follows (1) Inspect bushing-type bearing in cam- and as shown in figure 6-214. shaft end plate to limits specified in overhaul standards (table 6-34). 6-178