Pressure Measurements; Port Locations And Gauge Installation (65) - Danfoss D1 Series Service Manual

Service Manual
D1 High Power Open Circuit Pumps Size 65/130/145/193/260

Pressure measurements

Port Locations and Gauge Installation (65)

28 | © Danfoss | July 2019
The following table and drawing show the port locations and gauge sizes needed. When testing system
pressures, calibrate pressure gauges frequently to ensure accuracy. Use snubbers to protect gauges.
Port Purpose
L1, L2, L3 Case drain
M Outlet pressure gauge port
B
M Servo piston chamber pressure
4
gauge port
M Suction pressure gauge port
5
D1P 65 port locations with TPSN control
Port size Wrench size
M18x1.5 8mm
M12x1.5 6mm
M12x1.5 6mm
M12x1.5 6mm
MB
L1
Inlet port S
M5
M4 L2
L1527453 | AX00000292en-CN0201
Range of gauge
0-60 bar [0-870.23 psi]
0-600 bar [0-8702.26 psi]
0-600 bar [0-8702.26 psi]
0-600 bar [0-8702.26 psi]
Load sensing signal
port X
Outlet port B
L3