TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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Figure 6-118. Removing fan vertical drive shaft oil seal from housing. Remove 1. Remove four cotter pine and slotted nuts (A). 2. Remove fan drive bevel gearshaft (B), ball bearings, and bearing supports from housing as a unit 3. Remove bearing support (C) from front ball bearing. 4. Remove bearing support (D) from rear ball bearing. Install 1. Position bearing support (D) on rear ball bearing. 2. Position bearing support (C) on front ball bearing. 3. Position fan drive bevel gearshaft (B), ball bearings, and bearing supports in housing as a unit. 4. Install four slotted nuts and cotter pins (A). Figure 6-119. Removing or installing fan drive bevel gearshaft and associated parts. 6-111