TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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Remove Install 1. Remove six upper main sleeve bearing halves (A) Note. Numbers 1 through 7 indicate main from bearing bores in crankcase assembly. Mark bearing sleeve locations beginning from the respective locations of bearings on the back of bearing half using a grease pencil; e.g., “l-case”, “2-case”, etc. front. 2. Remove upper main thrust sleeve bearing half(B) and mark as “4-case” for identification. 1. Install upper main thrust sleeve bearing half (B) marked “4-case” in main bearing bore. 2. Install six upper main sleeve bearing halves (A) in bearing bores in accordance with respective location marks. Figure 5-179. Removing or installing upper main sleeve bearing halves. Remove Install 1. Cut locking wire (A). Remove 12 slotted nuts (B) and 1. Refer to figure 5-147 and install 12 crankcase remove six piston oiler nozzle assemblies. protectors - 4910-795-7951 (C). 2. Refer to figure 5-147 and remove 12 crankcase 2. Position six piston oiler nozzle assemblies in crankcase protectors - 4910-795-7951 (C). and install 12 slotted nuts (B) securing nozzle assemblies to crankcase. Install locking wire (A) securing slotted nuts (B). Figure 5-180. Removing or installing piston oiler nozzle assemblies. 5-105