Pratissoli MK Serie Manuel De Réparation page 40

Table of Contents
1 INTRODUCTION ....................................................................................................................................................................... 41
1.1 DESCRIPTION OF SYMBOLS ............................................................................................................................................................ 41
2 REPAIR GUIDELINES ................................................................................................................................................................ 41
2.1 REPAIRING MECHANICAL PARTS ................................................................................................................................................... 41
2.1.1 Disassembly of mechanical parts ................................................................................................................................... 41
2.1.2 Assembly of mechanical parts ......................................................................................................................................... 48
2.1.3 Classes of increase .............................................................................................................................................................. 55
2.2 REPAIRING HYDRAULIC PARTS....................................................................................................................................................... 55
2.2.1 Dismantling the head - valve units ................................................................................................................................ 55
2.2.2 Assembling the head - valve units ................................................................................................................................. 57
2.2.3 Disassembly of the piston unit - supports - seals ...................................................................................................... 61
2.2.4 Assembling the piston unit - supports - seals ............................................................................................................ 63
2.2.5 Recovering the heads ......................................................................................................................................................... 67
3 SCREW TIGHTENING CALIBRATION ........................................................................................................................................ 68
4 REPAIR TOOLS .......................................................................................................................................................................... 69
5 REPLACING THE CON-ROD FOOT BUSH ................................................................................................................................. 70
6 SPECIAL VERSIONS .................................................................................................................................................................. 71
6.1 DISASSEMBLY OF THE PISTON UNIT - SUPPORTS - SEALS ................................................................................................ 71
6.2 ASSEMBLING THE PISTON UNIT - SUPPORTS - SEALS .......................................................................................................... 73
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