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. Disconnect oil cooler outlet hose (A) and drain oil into a suitable container. 2. Disconnect oil cooler inlet hose (B). Connect 1. Connect oil cooler inlet hose (B). 2. Connect oil cooler outlet hose (A). Figure 4-142. Disconnecting or connecting oil cooler hoses-left side. Remove 1. Disconnect manifold heater spark plug cable (A). 2. Remove two screws (B), spacers, and flat washers attaching ignition unit bracket to oil coolers. Remove ignition unit, bracket and cable. 3. Remove grommets (C) from brackets. Replace damaged grommets. Install 1. Install grommets (C) in ignition unit bracket. 2. Position ignition unit, bracket, and cable on oil coolers and install two screws (B), spacers, and flat washers securing bracket to oil coolers. 3. Connect manifold heater spark plug cable (A). Figure 4-143. Removing or installing manifold heater ignition unit-right side. Disconnect 1. Loosen, but do not remove, bolt (A) and self-locking nut attaching brace to turbosupercharger tie rod. 2. Remove self-locking nut (B), flat washer, and cap screw attaching brace to support beam. 3. Remove six self-locking nuts (C) and flat washers attaching support beam to cylinders. Note. The flat washers are located at cylinder Nos. 2, 4, and 5 on both banks. Connect 1. Install six self-locking nuts (C) and flat washers securing support beam to cylinders. 2. Install self-locking nut (B), flat washer, and cap screw securing brace to support beam. 3. Tighten bolt (A) and self-locking nut attaching brace to turbosupercharger tie rod. Figure 4-144. Disconnecting or connecting oil cooler support beam-right side. 4-69