Pressure Required Tools; Measurement Port Locations And Gauge Installation - Sauer Danfoss 45 Series Service Manual

RequiReD tooLs
PoRt LoCations anD
gauge instaLLation
Series 45 G Frame Open Circuit Axial Piston Pumps
Service Manual
Pressure measurement
The service procedures described in this manual can be performed using common
mechanic's hand tools. Special tools, if required are shown. Calibrate pressure gauges
frequently to ensure accuracy. Use snubbers to protect gauges.
The illustration below shows gauge port locations. Recommended pressure gauges and
fittings are in the table.
Gauge and port information
Port
M2 System pressure
M4 Servo pressure
L1, L2 Case pressure
X1 LS signal
Gauge port locations
X
X
B
S
M2
L1
M4
P106 072E
520L0605 • Rev AB • December 2010
Purpose Range of gauge
0-300 bar [0-5000 psi]
0-300 bar [0-5000 psi]
0-10 bar [0-100 psi]
0-300 bar [0-5000 psi]
X
L2
fitting
9/16 - 18 O-ring fitting
9/16 - 18 O-ring fitting
7/8 - 14 O-ring fitting
7/16 - 20 O-ring fitting
(tee into LS signal line)
Legend
B = Main pressure line
S = Suction line
L1, L2 = Case drain lines
X = Load sensing pressure port
M2 = Gauge port for port B*
M4 = Gauge port — servo pressure
*Same pressure
15