Rotating Joint - Case CX75SR TIER 3 Service Manual

1002-16

Rotating Joint

Operating pressure
High pressure passage (ABCDEF)............................................................................................ 29.4 MPa (4260 psi)
Drain port (T) .............................................................................................................................. 0.5 MPa (72.52 psi)
Pilot port (P)................................................................................................................................... 3.9 MPa (566 psi)
Flow
High pressure passage (ABCDEF)............................................................................................... 68 L/min (18 gpm)
Drain port (T) .................................................................................................................................. 15 L/min (4 gpm)
Pilot port (P).................................................................................................................................... 23 L/min (6 gpm)
Port A; forward right ................................................................................................................................................G1/2
Port B; forward left ..................................................................................................................................................G1/2
Port C; backward right.............................................................................................................................................G1/2
Port D; backward left ...............................................................................................................................................G1/2
Port E; blade up ..................................................................................................................................................... G3/8
Port F; blade down ..................................................................................................................................................G3/8
Port T; drain port .....................................................................................................................................................G3/8
Port P; pilot port ......................................................................................................................................................G1/4
Number of revolutions....................................................................................................................15 min-1 (15 rpm)
Torque:
No load ...................................................................................................................................... 160 Nm (1420 lbf.in)
When pressurizing 2 ports......................................................................................................... 190 Nm (1480 lbf.in)
Solenoid Valve (4 stack)
Manufacturer ................................................................................................................................ Yuken kogyo co., LTD
Maximum flow ............................................................................P -> B: 20 L/min (5.3 gpm) Other: 5 L/min (1.32 gpm)
Rated pressure ............................................................................................................................. 4.5 MPa (652.67 psi)
Port size
P, T, B port...........................................................................................................................................................G3/8
C1, C2, C3 port...................................................................................................................................................G1/4
Solenoid specifications
Operating voltage ................................................................................................................................DC 20 to 32 V
Power consumption .................................................................................................................................. 17 W max.
Lep SC75SRCX80-1002-0NA Issued 03-08