TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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6-53. Exhaust Manifolds, Cylinder Head Oil Drain Tubes, and Oil Filler and Oil Level Indicator Tubes a. Disassembly. (1) Exhaust manifolds and cylinder head oil drain tubes. Disassembly of exhaust manifolds and cylinder head oil drain tubes was ac- complished during engine disassembly, Chapter 5. (2) Oil filler and oil level indicator tubes. Refer to figures 6-237 through 6-239. Note. Due to design changes, two different oil level indicator tubes and three different oil filler tubes have been used on the engine. Basic disassembly procedures are the same for each tube design. Disassemble Assemble 1. Remove cap spring (A). 1. Position seal (C) on oil filler tube only. 2. Do not remove cap shoulder bolts (B) unless in- 2. If necessary, install new cap shoulder bolts (B) and spection (para 6-53c) indicates replacement is stake in place. necessary. Bolts are staked in place. 3. Install cap spring (A). 3. Remove and discard seal (C). Oil filler tube only. Figure 6-237. Disassembling or assembling oil filler and oil level indicator tubes (one piece oil filler and indicator tubes without splash pan drain). 6-199