Pump with side port end cap and manual displacement control
Servo / displacement
cylinder pressure
gauge port M5
Servo / displacement
cylinder pressure
gauge port M4
Case drain
port L1
System pressure
port B
External control pressure
supply port X3
Charge pressure
gauge port M3
Speed sensor
P106 158E
System pressure
gauge port M2
System pressure
gauge port M1
System pressure
port A
Case drain port L2
Carge pump
inlet port S
Charge inlet pressure
(vacuum)
Pump with twin port end cap and manual displacement control
Servo / displacement
cylinder pressure
gauge port M5
Servo / displacement
cylinder pressure
gauge port M4
Case drain
port L1
System pressure
gauge port M2
System pressure
gauge port M1
Case drain port L2
System pressure
port B
Charge pump inlet
port S
System pressure
port A
P106 160E
Service Manual
Series 90 Pumps
Pressure measurement
520L0818 • Rev 0101 • August 2015
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