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TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download

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1. Remove exhaust valve inner, intermediate, and outer 4. Place cylinder on side and remove the intake and valve springs, upper retainer and exhaust valve rotor exhaust valves (D) through the cylinder bore. (A) from valve stem. 2. Remove intake valve springs (B), retainer, and seat in Note. Temporarily install valve rocker arm the same manner. covers on cylinders with two bolts to prevent 3. Hold the valve stems in position in the cylinder head damage arid mismating of parts. Refer to figure and remove the cylinder from removing and inserting 5-105 for cover and cylinder identification. valve stand - 4910-554-1317 (C). Figure 6-49. Removing or installing valve springs, upper retainers, and exhaust valve rotor. 6-53