TM10-3930-660-34 16-21.  PISTON PUMP - REPAIR This task covers: a. Disassembly b. Cleaning c. Assembly Initial Setup Tools Materials/Parts Shop Equipment, Automotive Capscrew, ½ - 13 x 3-3/4 in. Lg. (B) Maintenance and Repair,   (Qty. 1) Common #1 Less Power Flat Washer , 1/16 x 1.575 in O. D. (A)   (As req’d) Fabricated Tools: Gaskets (4, 10) Bearing Removal Tool (App. Nut, ½ - 13 (C)  (Qty. 1) C, Fig.  C-8) O-rings (5, 32, 46) Bearing Race Removal Tool (App.  C, Fig.  C-9) Shaft Seal Driver (App.  C, Fig.  C-10) Bearing Race Removal Tool (App.  C, Fig.  C-ll) Bearing Installation Tool (App.  C, Fig.  C-12) Bearing Race Installation Tool (App.  C, Fig.  C-13) Bearing Race Installation Tool (App.  C, Fig.  C-14) Equipment Condition Piston pump removed, TM10-3930-660-20. 16-128