TM 9-2520-272-34&P 4-16.   INSTALL    RIGHT    END    COVER    ASSEMBLY (SHEET 4 OF 9) 18    Install   two   new   packings   (19)   on   brake   apply tube (20). 19 Apply petrolatum to packings (19). 20 Install  brake  apply  tube,  either  end  first,  in  bore (21) in right brake support (22). 21    On   X200-4A   install   one   new   packing   (19)   on brake apply tube, which is pressed into the right hand   brake   support.      Coat   packing   (19)   with petrolatum. 22    Install  two  new  packings  (23)  on  brake  coolant tube (24). 23 Apply petrolatum to packings (23). 24 Install brake coolant tube (24) either end first, in bore (25) in left brake support (22). NOTE ì Retaining ring on each end of steer shaft   serves   as   a   stop.      It   is   not necessary to replace retaining rings that are in good condition. ì   Retaining   rings   may   be   removed with flat tip screwdriver. ì Steer shafts may be installed either end   first.      Steer   shafts   are   inter- changeable. 25    Install  inner  steer  shaft  (26)  in  bore  (27)  in  left brake support (22). 26    Install  range  output  gear  spacer  (28)  on  shaft and bushing assembly (29). Go to Sheet 5 Para.  4-16, Task 1 Change 2  4-67