TM5-6115-593-34 NAVFAC P-8-631-34 TO-35C2-3-463-2 sleeves.  Visually check sleeves which pass pressure   test,   for   scratches   on   cup   seat area.    If  seat  area  is  scratched,  mark  for replacement. (7)   Injector tip Protrusion Test.  Cylinder heads that  have  passed  the  above  tests  must  be checked   further   for   injector   tip   protrusion (seat depth) and seating pattern. (a)   Lightly   coat   injector   cup   with   bluing, install    injector    assembly    into    injector sleeve  of  head  and  torque  to  11  to  12- foot-pounds (15 to 16 joules).  Remove and   check   seat   pattern.      Bluing   band must  be  0.060  inch  (1.5  mm)  minimum in    width    and    located    approximately 15.32  inch  (11.9  mm)  from  bottom  of head surface. (b)   Measure tip protrusion with dial indicator or protrusion checking tool. Tip protrusion  must  be  0.045  to  0.055  inch (1.14 to 1.40 mm). (8)   Check guide outside diameter with micrometers.  See tabulated data in Chapter 1 for worn replacement limits. (9)   Check  guide  for  straightness.    It  should  be at  right  angles  with  milled  surface  of  head. Replace if not straight. (10)  Check   crosshead   guide   protrusion   above cylinder head.  Protrusion should be 1.860 to 1.880 inch (47.24 to 47.75 mm). (11)  Check  stem  inside  diameter  (3,  figure  13- 43) using a small bore gauge set at 0.4402 inch   (11.181   mm).      Use   as   a   "No   Go" gauge to check for wear beyond replacement limit. (12)  Check for out-of-round Figure 13-43.  Crosshead Dimensions holes.      Do   not   use   plug   gauge   for   this operation. (13)   Visually    check    for    excessive    wear    on rocker   lever   (1)   and   valve   stem   contact surface   (2).      Check   adjusting   screw   and crosshead threads (4) for wear or distortion.          Mark     for     replacement,     if excessive wear is found. (14)   Check   reamed   depth   of   crosshead   bore, minimum of 1.00 inch (25.4 mm) in depth, valve stem counterbore depth on underside of crosshead should be 0.120 to 0.140 inch (3.05 to 3.56 mm). (15)   Check  valve  guide  inside  diameter  (bore) using   a   small   bore   gauge   set   at   0.4545 inch (11.544 mm).  Use bore gauge as "No Go"    gauge    (refer    to    tabulated    data    in Chapter 1). (16)   Check   for   out-of-round   holes,   gauge   at several   points   crosswise   and   endwise   of head  full  length  of  guide.    Do  not  use  a plug   gauge   for   this   operation.      Visually check   valve   guides   for   chips,   cracks,   or burrs.    Mark  for  replacement  any  guides showing excessive wear or damage. f. Rebuilding.  Proceed as follows: (1)   Coat   water   passage   sleeves   with   sealant, align  sleeve  in  top  of  water  passage  hole, drive into position 13-82