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. Remove impeller drive shaft (A) from pressure housing. 2. Cut locking wire and remove four slotted nuts (B) and flat washers attaching scavenge oil pump inlet scoop on housing. 3. Remove inlet scoop (C) from housing. 4. Remove scavenge oil pump inlet screen (D) from housing. Install 1. Position scavenge oil pump inlet screen (D) in housing. 2. Position scavenge oil pump inlet scoop (C) on housing. 3. Install four slotted nuts(B) and flat washers securing inlet scoop on housing and install locking wire securing nuts. 4. Install impeller drive shaft (A) in pressure housing. Figure 6-83. Removing or installing scavenge oil pump oil inlet scoop (FSN 2815-895-6430 oil pump). 1. Mount impeller drive shaft with assembled cluster gear (A) in arbor press. 2. Press drive shaft(B) from ball bearing in gear. Figure 6-84. Pressing impeller drive shaft from ball bearings in drive cluster gear. 6-83