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 screw and nut attaching flame heater fuel inlet line cushioned clamp (A) to loop type clamp on cylinder head oil drain tube. 2. Loosen two hose clamps (B) and slide hose down on lower front drain tube. Connect 1. Position hose between cylinder head oil drain tube and lower front drain tube and tighten two hose clamps (B). 2. Install screw and nut securing flame heater fuel inlet line cushioned clamp (A) to loop type clamp on cylinder head oil drain tube. Figure 4-113. Disconnecting or connecting cylinder head oil drain tube-left front. Disconnect 1. Disconnect manifold heater fuel inlet line (A). 2. Disconnect heater fuel outlet tube (B). 3. Cut locking wire and remove six body bolts (C) and remove oil drain tubes as an assembly. Remove and discard 12 gaskets. Connect 1. Position oil drain tubes as an assembly on engine. Install new solid copper gaskets on six body bolts (C), insert bolts through oil drain tubes and install second new annular copper asbestos gasket on each bolt. Tighten bolts securing drain tube and install locking wire. 2. Connect heater fuel outlet tube (B). 3. Connect manifold heater fuel inlet line (A). Figure 4-115. Disconnecting or connecting heater fuel inlet and outlet tubes from intake manifold heater. Figure 4-114. Disconnecting or connecting cylinder head oil drain tube-left rear. 4-56