TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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Disconnect 1. Remove two cap screws (A) and lock washers at- taching left rear cylinder head oil drain tube to oil pan. 2. Separate drain tube from pan and remove and discard tube gasket (B). Connect 1. Install new drain tube gasket (B) and position left rear cylinder head oil drain tube on oil pan. 2. Install two cap screws (A) and lock washers securing drain tube to oil pan. Figure 5-31. Disconnecting or connecting left rear cylinder head oil drain tube. Remove Note. The left cylinder 1. Cut locking wire and remove six externally relieved tubes are removed or body bolts (A) and flat washers attaching six oil drain manifold tubes to cylinders. Remove oil drain manifold manner. tubes, oil drain tube and outlet tube as a unit. Install 2. Remove and discard the six body bolt flat washers 1. Install hose clamps (C) head oil drain manifold installed in the same and connect rear oil drain (B). manifold tube, four intermediate oil drain manifold 3. Loosen all hose clamps (C). Separate and remove tubes, front oil drain manifold tube, right front cylinder right oil drain outlet tube, right front cylinder head oil head oil drain tube, and right oil drain outlet tube. drain tube, front oil drain manifold tube, four in- 2. Install six externally relieved body bolts (A) and flat termediate oil drain manifold tubes, rear oil drain washers ( B ) in manifold oil drain tubes. Install six new manifold tube, and clamps. Remove and discard six body bolt annular gaskets on ends of bolts. manifold tube annular gaskets. 3. Position outlet tube, oil drain tube, and manifold tubes as a unit on cylinders. Tighten six body bolts (A) securing tubes to cylinders and install locking wire securing bolts. Tighten all hose clamps. Figure 5-32. Removing or installing right cylinder head oil drain manifold tubes. 5-17