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 1. Straighten tab on tab washers (A). 2. Remove bolt (B), tab washer, and lock plate holding fan driven gearshaft and bearings in front fan drive housing assembly. Discard tab washer. Install 1. Install bolt (B), new tab washer, and lock plate holding fan driven gearshaft and bearings in front fan drive housing assembly. 2. Bend tab on tab washer (A) over bolt, Figure 6-120. Removing or installing lower driven gearshaft ball bearing lock plate. Remove 1. Remove fan driven gearshaft (A), lower driven gearshaft ball bearing, gearshaft ball bearing, and bearing spacer as an assembly. 2. Remove and discard elbow (B) from housing on engines having an elbow. Other engines have a pipe plug at this location. Install 1. Install pipe plug in this location (B). 2. Position fan driven gearshaft (A), lower driven gearshaft ball bearing, gearshaft ball bearing, and bearing spacer as an assembly in front fan driving housing assembly. Figure 6-121. Removing or installing fan driven gearshaft and bearings.. 6-112