TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
Page 490 of 779
Remove Note. Scribe a line across flange of heater tube and intake manifold elbow for correct positioning during assembly. 1. Remove six self-locking nuts (A). 2. Remove heater tube (B). 3. Remove and discard heater tube gasket (C). Install 1. Position a new heater tube gasket (C) on intake manifold elbow. 2. Position heater tube (B) on elbow with scribe marks alined. 3. Install six self-locking nuts (A). Figure 6-231. Removing or installing heater tube. Remove 1. Remove four self-locking nuts (A). 2. Remove two self-locking nuts (B) and flat washers. 3. Separate intake manifold tubes (C) for cylinder Nos. 5R and 6R from right intake manifold. 4. Separate intake manifold tubes (D) for cylinder Nos. 1R and 2R in the same manner. Install 1. Position intake manifold tubes (C) for cylinder Nos. 5R and 6R on right intake manifold. 2. Install two self-locking nuts (B) and flat washers. 3. Install four self-locking nuts (A). 4. Install intake manifold tubes (D) for cylinder Nos. 1R and 2R in the same manner. Remove 1. Remove and discard preformed packing (A). 2. Remove flat washer (B). 3. Remove spring tension washer (C). 4. Remove small flange (D). 5. Remove and discard preformed packing (E). 6. Remove flat washer (F). 7. Remove spring tension washer (G). 8. Remove large flange (H). 9. Remove flanges (J) from intake manifold tubes. 10. Remove flanges and associated parts from intake manifold tubes for cylinder Nos. 1R and 2R in the same manner. Install 1. Install flanges (J) on intake manifold tubes for cylinder Nos. 5R and 6R. 2. Position large flange (H) on intake manifold tube for cylinder No. 6R. 3. Position spring tension washer (G) on intake manifold tube for cylinder No. 6R. 4. Position flat washer (F) on intake manifold tube for cylinder No. 6R. 5. Position a new preformed packing (E) on intake manifold tube for cylinder No. 6R. 6. Position small flange (D) on intake manifold tube for cylinder No. 5R. 7. Position spring tension washer (C) on intake manifold tube for cylinder No. 5R. 8. Position flat washer (B) on intake manifold tube for cylinder No. 5R. 9. Position a new preformed packing (A) on intake manifold tube for cylinder No. 5R. 10. Install flanges and associated parta on intake manifold tubes for cylinder Nos. 1R and 2R in the same manner. Figure 6-233. Removing or installing flanges and associated parts from cylinder Nos. 5R and 6R intake manifold tubes. Figure 6-232. Removing or installing intake manifold tube attaching parts. 6-196