TM 10-3930-669-20 10-3.  DRIVE AXLE OIL PUMP REPLACEMENT. This task covers: a.  Removal b.  Installation INITIAL SETUP Tools and Special Tools Tool Kit, General Mechanic's: Automotive (Item 1, Appendix B) Materials/Parts Cap and Plug Set (Item 5, Appendix C) Tags, Identification (Item 21, Appendix C) Equipment Condition Engine OFF (TM 10-3930-669-10) Parking brake applied (TM 10-3930-669-10) Wheels chocked (TM 10-3930-669-10) Mast side shifted to right (TM 10-3930-669-10) Mast pivoted open (TM 10-3930-669-10) a.  Removal. (1)   Remove four screws (1), washers (2), and bracket (3) from drive axle housing (4). 10-7