Page 482 - Foton Workshop Manual - Sauvana
P. 482

12C-42             ENGINE MECHANICAL SYSTEM - CYLINDER BLOCK SYSTEM


                                                       (i).    Remove the piston pin.
                                                               • As shown in the figure, pry out the piston
                                                                pin snap ring carefully.











                                          fuwx12C104


                                                              •Lightly knock the piston pin and take down
                                                               the piston pin in the arrow direction.
                                                              •Separate the piston from the connecting
                                                              rod.










                                          fuwx12C105


           17.    Check the piston subassembly
           (a).   Check the cylinder wall for noticeable scratches, unevenness or upheaval. If the
                  cylinder wall is very coarse, scratched or uneven, replace the cylinder block.


                                                       (b).   As shown in the figure, use the bore gauge
                                                              to measure the cylinder block diameter at
                                A
                            B
                     15mm         1                           positions   ① ,  ② and  ③ respectively, and
                                                              the specified diameter is 82.005~82.015
                                2                             mm.  If  the  measurement  exceeds  the
                                                              specified value, replace the cylinder block.
                                3
                     15mm



                                          fuwx12C106


           (c).   Check the piston for wear and crack; if the piston is damaged, replace the piston.















                                                                                                      Page 482
   477   478   479   480   481   482   483   484   485   486   487