Pratissoli HF Serie Manual De Reparación página 14

Contents
1 INTRODUCTION ....................................................................................................................................................................... 15
1.1 DESCRIPTION OF SYMBOLS ............................................................................................................................................................ 15
2 REPAIR GUIDELINES ................................................................................................................................................................. 15
2.1 REPAIRING MECHANICAL PARTS ................................................................................................................................................... 15
2.1.1 Dismantling the mechanical part ................................................................................................................................... 15
2.1.2 Reassembly of mechanical parts .................................................................................................................................... 17
2.1.3 Disassembly / Reassembly of bearings and shims ...................................................................................................... 19
2.2 REPAIRING HYDRAULIC PARTS....................................................................................................................................................... 20
2.2.1 Dismantling the head-valve units .................................................................................................................................. 20
2.2.2 Reassembling the head - valve units ............................................................................................................................. 22
2.2.3 Dismantling the head - seals ........................................................................................................................................... 23
2.2.4 Dismantling the piston unit ............................................................................................................................................. 23
2.2.5 Reassembling the head - seals - piston unit ............................................................................................................... 24
3 SCREW TIGHTENING CALIBRATION ........................................................................................................................................ 24
4 REPAIR TOOLS .......................................................................................................................................................................... 25
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