TM  5-2815-241-34&P WATER  PUMP  -  CONTINUED ACTION LOCATION ITEM REMARKS ASSEMBLY  -  CONTINUED 20. Water  pump  body  (1) New  rear  oil a. Position new rear oil seal on pulley side seal  (2) of  water  pump  body  with  lip  opposite impeller  (3). b. Using  ST-l  191-2  seal  mandrel,  press into water pump body. CAUTION Keep seal face free from grease or other foreign material to prevent damage to seat. 21. New    carbon-faced seal (4) a. Position new carbon-faced seal on im- peller side of water pump body (1) with lip  facing  impeller  (3). b. Using  ST-658  mandrel,  press  into  water pump  body  until  seal  bottoms. CAUTION Do not support water pump body on thin section of impeller cavity when installing shaft assembly or damage to water pump body may occur. 22. Shaft  assembly  (5) and   bearing   retain- ing  ring  (6) a. Using  arbor  press  and  ST-658  mandrel, press  shaft  assembly  into  water  pump body  until  inner  bearing  bottoms  on  rear oil   seal. b. Using  snapring  pliers,  install  retaining ring. 23. New front oil Using  arbor  press  and  ST-1191-3  seal seal (7) mandrel,   press   in. 24. Water  pump  body  (1) New  ceramic  seat a. Lubricate  bore  with  clean  lubricating and seal (8) oil. b. Install  new  ceramic  seat  on  shaft  with dimples  facing  away  from  carbon-face seal. c. Install  seal  on  shaft  against  ceramic  seat with  flat  side  toward  impeller  end  of shaft. 2-412