Table of Contents
1 INTRODUCTION ....................................................................................................................................................................... 15
1.1 DESCRIPTION OF SYMBOLS ............................................................................................................................................................ 15
2 REPAIR GUIDELINES ................................................................................................................................................................ 15
2.1 REPAIRING MECHANICAL PARTS ................................................................................................................................................... 15
2.1.3 Reduction classes ................................................................................................................................................................ 18
2.2 REPAIRING HYDRAULIC PARTS....................................................................................................................................................... 20
2.2.3 Dismantling the head - seals .......................................................................................................................................... 22
2.2.4 Dismantling the piston unit ............................................................................................................................................. 23
3 SCREW TIGHTENING CALIBRATION ........................................................................................................................................ 24
4 REPLACING THE CON-ROD FOOT BUSH ................................................................................................................................. 25
5 REPAIR TOOLS .......................................................................................................................................................................... 26
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