Contents
1 INTRODUCTION ....................................................................................................................................................................... 14
1.1 DESCRIPTION OF SYMBOLS ............................................................................................................................................................ 14
2 REPAIR GUIDELINES ................................................................................................................................................................ 14
2.1 REPAIRING MECHANICAL PARTS ................................................................................................................................................... 14
2.1.1 Disassembly of the mechanical part .............................................................................................................................. 14
2.1.2 Reassembly of mechanical parts .................................................................................................................................... 15
2.1.3 Reduction classes ................................................................................................................................................................ 17
2.1.4 Disassembly / Reassembly of bearings and shims ...................................................................................................... 17
2.2 REPAIRING HYDRAULIC PARTS....................................................................................................................................................... 19
2.2.1 Disassembly of the head-valve units .............................................................................................................................. 19
2.2.2 Reassembly of the head – valve units ............................................................................................................................ 20
2.2.3 Disassembly of the head – seals ...................................................................................................................................... 21
2.2.4 Disassembly of the piston unit ........................................................................................................................................ 21
2.2.5 Reassembly of the head – seals – piston unit ............................................................................................................... 21
3 SCREW TIGHTENING CALIBRATION ........................................................................................................................................ 22
4 REPLACING THE CON-ROD FOOT BUSH ................................................................................................................................. 22
5 REPAIR TOOLS .......................................................................................................................................................................... 23
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