Pratissoli KFR25 Manuel De Réparation page 15

Contents
1 INTRODUCTION ....................................................................................................................................................................... 16
1.1 DESCRIPTION OF SYMBOLS ............................................................................................................................................................ 16
2 REPAIR GUIDELINES ................................................................................................................................................................. 16
2.1 REPAIRING MECHANICAL PARTS ................................................................................................................................................... 16
2.1.1 Dismantling the mechanical part ................................................................................................................................... 16
2.1.2 Reassembly of mechanical parts .................................................................................................................................... 18
2.1.3 Disassembly / Reassembly of bearings and shims ...................................................................................................... 20
2.2 REPAIRING HYDRAULIC PARTS....................................................................................................................................................... 21
2.2.1 Dismantling the head-valve units .................................................................................................................................. 21
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 ............................................................................................................... 23
3 SCREW TIGHTENING CALIBRATION ........................................................................................................................................ 24
4 REPAIR TOOLS .......................................................................................................................................................................... 25
5 SPECIAL VERSIONS .................................................................................................................................................................. 26
5.1 KFR PUMP ............................................................................................................................................................................................. 26
5.1.1 Disassembling the support - seal unit ........................................................................................................................... 26
5.1.2 Assembling the support - seal unit ................................................................................................................................ 26
15