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DESCRIPTION (cont) - TM-5-4210-230-14P-1_978
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REASSEMBLY (cont) - TM-5-4210-230-14P-1_980
TRUCK SERVICE MANUAL TM 5-4210-230-14&P-1 STEERING GEAR to   an   internal   combustion   engine.      The   housing should   be   replaced   if   the   steering   gear   is   tested thoroughly  and  it  can  definitely  be  determined  that cylinder   bore   scoring   is   responsible   for   excessive internal leakage. 39.   If    bearing    (21)    and    retaining    ring    (22)    require replacement  they  must  be  pressed  out  of  housing (20).  Care must be taken to maintain a good square relationship   between   housing   and   press   base,   to avoid damaging bearing bore.  If bearing is "cocked" while being pressed out, it may burnish housing bore, causing    it    to    be    oversize    and    require    housing replacement.  Use bearing mandrel SE-2677 to press bearing out (Fig.  20). Fig.  20 REASSEMBLY IMPORTANT All gaskets, seals and seal rings should be replaced each time steering   gear   assembly   is   fully   disassembled.      If steering  gear  is  partially  disassembled  all  gaskets, seals   and   seal   rings   in   area   effected   should   be replaced. 1.   Press   new   bearing   (21)   into   housing   (20)   using bearing  assembly  mandrel  SE-2677.  Care  must  be taken    during    this    procedure    to    make    sure    that housing is square with press base and that bearing is not in a "cocked" position.  Apply a generous amount of   clean   wheel   bearing   grease   to   bearing   race   to retain bearing rolls; assemble forty four bearing rolls, grease must retain rolls (Fig.  21). 2.   Assemble  "O"  ring  (30)  and  seal  ring  (29)  onto  rack piston (31). Fig.  21 3.   Assemble spring (36), rod (35), poppets (34), poppet seals  (33)  and  retaining  ring  (32)  into  rack  piston (31).      Torque   poppet   seats   to   27-34   Nm   (20-25 ft.lbs.)(Fig.  22). Fig.  22 4.   Assemble "O" ring (18) and seal ring (19) onto worm shaft   (17),   use   installation   and   compression   tools SE-2673 and SE-2674 to assemble these ports (Fig. 23). 5.   Grease seal ring (19) area and assemble worm shaft (17) into rack piston (31)(Fig. 24). 6.   Assemble   ball   return   guides   (43)   into   rack   piston (31). 7.   Assemble balls (42) into ball return guides (43) and rack piston (31); drop balls thru the hole provided in the ball return guides. Rotate the worm shaft (17) as balls are being assembled to pull balls down into groove, assemble twenty-seven balls.  Make sure ball return guides stay down in place in rack piston while assembling balls (Fig.  25). CTS-2717   Page 8 PRINTED IN UNITED STATES OF AMERICA

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