Table of Contents
1 INTRODUCTION ....................................................................................................................................................................... 13
1.1 DESCRIPTION OF SYMBOLS ............................................................................................................................................................ 13
2 REPAIR GUIDELINES ................................................................................................................................................................ 13
2.1 REPAIRING MECHANICAL PARTS ................................................................................................................................................... 13
2.1.3 Reduction classes ................................................................................................................................................................ 16
2.2 REPAIRING HYDRAULIC PARTS....................................................................................................................................................... 18
2.2.3 Dismantling the head - seals ........................................................................................................................................... 19
2.2.4 Dismantling the piston unit ............................................................................................................................................. 20
3 SCREW TIGHTENING CALIBRATION ........................................................................................................................................ 21
4 REPAIR TOOLS .......................................................................................................................................................................... 21
12