Danfoss 51 Series Service Manual page 4

Service Manual
Contents
EE Control
EP, EQ, ER, ES Controls
4
Series 51 Electrohydraulic Proportional Controls Service Manual
Pressure-Reducing Valve....................................................................................................................................................... 24
Schematic......................................................................................................................................................................................... 25
Repair..................................................................................................................................................................................................26
Disassembly................................................................................................................................................................................26
Inspection....................................................................................................................................................................................27
Assembly......................................................................................................................................................................................27
Operation..........................................................................................................................................................................................29
General Description................................................................................................................................................................. 29
Repair..................................................................................................................................................................................................30
Disassembly................................................................................................................................................................................30
Inspection....................................................................................................................................................................................31
Assembly......................................................................................................................................................................................31
Operation..........................................................................................................................................................................................33
General Description................................................................................................................................................................. 33
Schematics........................................................................................................................................................................................34
Definitions................................................................................................................................................................................... 35
Repair..................................................................................................................................................................................................35
Control Housing Disassembly..............................................................................................................................................35
PCOR Disassembly....................................................................................................................................................................36
Multifunction Block Disassembly........................................................................................................................................37
Control Orifices..........................................................................................................................................................................38
Inspection....................................................................................................................................................................................39
Multifunction Block Assembly............................................................................................................................................. 39
Inspection....................................................................................................................................................................................40
PCOR Assembly......................................................................................................................................................................... 40
Control Housing Assembly....................................................................................................................................................41
11009448 • Rev BA • July 2014