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 1. Remove two machine bolts (A) and lock washers attaching cap assembly to left front upper cover and remove cap. 2. Remove and discard cap gasket (B). 3. Remove and discard two preformed packings (C) from cap. 4. Remove and discard preformed packing (D). 5. Remove cap spring (E). 6. Remove machine bolt (F) and remove cap (G). Assemble 1. Position cap (G) on cap assembly and install machine bolt (F). 2. Install cap spring (E). 3. Install a new preformed packing (D). 4. Position two preformed packings (C) on cap assembly. 5. Position a new cap gasket (B) on left front upper cover. 6. Install two machine bolts (A) and lock washers, securing cap assembly to upper cover. Figure 6-238. Disassembling or assembling oil filler and oil level indicator tubes (improved oil filler indicator tubes with splash pan drain). Note. Refer to figure 6-238 for disassembly or assembly procedures of the relocated oil filler tube. b. Cleaning. Refer to paragraph 6-2. c. Inspection and Repair. Refer to paragraphs 6-3 and 6-4, and (1) and (2), below. (1) Inspect exhaust manifolds broken welds, damaged bellows, flanges. 6-200 for cracks, and bent Disassemble 1. Remove two machine bolts (A) and lock washers attaching cap assembly to left front upper cover and remove cap. 2. Remove and discard cap gasket (B). 3. Remove and discard two preformed packings (C) from cap. 4. Remove and discard preformed packing (D). 5. Remove cap spring (E). 6. Remove machine bolt (F) and remove cap (G). Assemble 1. Position cap (G) on cap assembly and install machine bolt (F). 2. Install cap spring (E). 3. Install a new preformed packing (D). 4. Position two preformed packings (C) on cap assembly. 5. Position a new cap gasket (B) on left front upper cover. 6. Install two machine bolts (A) and lock washers, securing cap assembly to upper cover. Figure 6-239. Disassembling or assembling oil level indicator tube cap (relocated oil filler tube). (2) Inspect cap shoulder bolts (B, fig. 6- 237) for looseness or damaged shoulder area. d. Assembly. Refer to figures 6-237 through 6- 239 for assembly of oil filler and oil level in- dicator tubes and caps. Exhaust manifolds and cylinder head oil drain tubes will be assembled during engine assembly, Chapter 7.