Pressure Measurements; Port Locations And Gauge Installation - Danfoss 51 Series Service Manual

Service Manual

Pressure measurements

Port Locations and Gauge Installation

Series 51 Motors
L1
L2
Series 51 Electrohydraulic Proportional Controls Service Manual
M3
Main ports A+B
Y
side port
M5
M7
Axial port
System pressure A+B
Guage port M1+M2
Legend
Abbreviation Definition
L1 Case drain; (1-5/16-12UNF)
L2 Alternate case drain: (1-5/16-12UNF)
M1 Gauge port: system pressure A (9/16-18UNF)
M2 Gauge port: system pressure B (9/16-18UNF)
M3 Gauge port: servo pressure min. angle (9/16-18UNF)
M4, Gauge port: servo pressure max. angle (9/16-18UNF)
M5 Gauge port: servo supply pressure (9/16-18UNF)
M7 Control pressure port (9/16-18UNF)
11009448 • Rev BA • July 2014
Y
M1
Y
Y
Axial port
M5
Main
port A
W
M4
M2
W
P101 204E
Main
port B
W
P101 204E
11