TM  10-3930-643-34 ENGINE,  FUEL,  EXHAUST  AND  COOLING  TROUBLESHOOTING  AND  MAINTENANCE. 4-18. Water Pump Assembly. (Sheet 4 of 5) ASSEMBLY 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. Using a small hammer, install  two pins (15). Grease and position new grease seal (14) so open end faces bearing (13). Pack bearing (13) with grease and install. Inner and outer race must be pressed together into water pump housing  (16)  against  shoulder. Install spacer (10). Press outer race of bearing (9) into water pump housing (16) insuring that the outer races of bearings (9 and 13) and spacer (10) are bottomed. Lubricate new grease seal (14) with engine oil and install. Press shaft (7) into rear of water pump housing (16) until rear inner race stops shaft (7). Install spacers (12 and 11). Fill cavity between spacers (12 and 11) with 0.6 oz. of grease. Pack inner race of bearing (9) with grease. Press inner race into water pump housing (16) until it bottoms on shaft  (7). Shaft  (7)  must  be supported at rear. Using internal snap ring pliers, install spacer (8) and retainer ring (6). Position new grease seal (5) against retainer ring (6) so open end faces bearing (9). Install sleeve (4). Go to sheet 5 4-115