TM 5-4210-220-34 2-20. REAR AXLE - Continued 2-20.1    Power Divider (Transfer Unit) - Continued (5) Inspect fasteners for rounded heads, bends, cracks or damaged threads.  The power divider cover should    be    examined    for    cracks    or leaks. (6) Inspect bearings as detailed in para. 2- 7. INSTALLATION a. Power     Divider     Cover     and     Input     Shaft Installation (1) Check expansion plug in power divider cover to make sure it is firmly seated. If loose, strike it lightly with a hammer to seat it.  If necessary,  replace plug. NOTE Omit    step    2    if    pinion    shaft    support bearing  is  not  replaced.    Omit  step  3  if output shaft bearing (35) is not replaced. Omit  steps  4  thru  6  if  no  parts  of  input shaft and gear assembly are replaced. (2) Install    pinion    shaft    support    bearing race (35) and retaining ring (36).  Use a  press  and  a  suitable  arbor  to  install race. (3) Install     bearing     cup     (33)     in     power divider  cover  (12)  using  a  press.    Be sure     cup     is fully seated against shoulder in cover. (4) Install  input  shaft  bearing  cup  (24)  in differential   carrier.      Use   a   suitable arbor and hammer to seat cup. (5) If  removed,  replace  dowel  pins  (15)  in differential carrier. (6) Install  bearing  cup  (25)  in  bearing  cap (21) using a press and suitable arbor. (7) Using   a   press   and   a   suitable   arbor, press bearing cones (24 and 25) onto input   shaft   (23).      Be   careful   not   to press  on  rollers  as  this  will  damage bearings. (8) Apply silicone sealant (item 28, Appendix    B)    to    differential     carrier flange in a 1/8 In.  (3 mm) continuous bead as shown. (9) Install   input   shaft   (23)   in   differential carrier. 2-270