TM 5-3895-382-24 (5) The   water   pump   must   be   assembled   in   order   to correctly measure the distance from the impeller boss to the front face of the pump body. Distance ..........................................................8.1 to 8.5 mm (.32 to .34 inch) (6) The   water   pump   must   be   assembled   in   order   to correctly measure the distance of the gear from the rear face of the pump body. Distance ..........................................................0.6 to 2.6 mm (.02 to .10 inch) Type 2 Engines and 7BJ Engines NOTE: For a complete description of Type 1 and Type 2 engines,    refer    to    the    Specifications    Module, "Engine Design" for more information. NOTE: The  water  pump  for   Type   2   engines   and   7BJ engines     is     not     serviceable.          Contact     your Caterpillar dealer for more replacement information. Cylinder Block SMCS Code: 1201 Cylinder Block Illustration 40 Typical Engine Block (1) The cylinder liner has the following characteristics: Dry Interference fit Flanged Flame Ring Outside diameter of cylinder liner .................................................................104.25 to 104.28 mm (4.105 to 4.106 inch) Inside diameter of cylinder liner .................................................................100.00 to 100.03 mm (3.937 to 3.938 inch) The cylinder liner needs to be ground when the following maximum diameter of wear exists: ...............................................................0.25 mm (.010 inch) Interference fit of liner in cylinder block ......................  0.03 mm ( .001 inch) The projection of the liner flange can be 0.10 mm (.004 inch) above  to  0.10  mm  (.004  inch)  below  the  face  of  the  cylinder block. NOTE: The  projection  of  the  liner  flange  is  the  relative position of the liner flange to the top face of the cylinder block. Flange thickness of cylinder liner  ...................... 3.81 to 3.86 mm (.150 to .152 inch) NOTE: A  cylinder  liner  that  has  been  replaced  must  be partially  machined.    Service  personnel  that  have special  training  must  use  specialized  equipment in order to replace a cylinder liner. The  following  steps  are  required  for  installation  of  a  cylinder liner: 1. The cylinder liner must have a press fit into the bore of the cylinder block. 2. Bore the cylinder liner. 3. Hone the cylinder liner by using a diamond hone. 4. Hone the cylinder liner by using a silicon carbide base. 5. Hone   the   cylinder   liner   by   using   a   silicon   carbide plateau. Cylinder   liner   that   has   been   replaced   before   boring   and installation The cylinder liner must have a press fit into the bore of the cylinder block to the following dimension: ..............................................0.050 0.025 mm (.0020 .0010 inch) Bore of cylinder liner that has been replaced ................................................99.288 0.126 mm (3.9090 0.0050 inch) The internal surface of the cylinder liner that has been replaced has new specifications.  After boring, the cylinder liner that has been replaced has the following specifications: Internal diameter  .............................................99.899 0.025 mm (3.9330 0.0010 inch) 5-27