Service/Spare Parts Manual
Series V16
MSG30-5526-M1/UK
21
Parker Hannifin
Pump & Motor Division Europe
Trollhättan, Sweden
Parker Hannifin
Pump & Motor Division Europe
Trollhättan, Sweden
Pressure cut off setting procedure
EPA/EPB/EOA/EOB/HPC/HOC with negative control
characteristics (M code)
With a de-energized solenoid (EPA/EPB/EOA/EOB) or
not pressurized X5 port (HPC/HOC), the motor will be
kept at maximum displacement.
1. Energize de solenoid (EPA/EPB/EOA/EOB) or pres-
surize port X5 so the displacement strokes to min.
The hydraulic oil should be 50°C.
2. Install a 0 – 600 bar gauge in port X6.
3. Turn the cut off adjustment screw counterclockwise
to ensure that the spring is unloaded.
4. Increase system pressure to desired cut off pressure.
5. Turn the cut off adjustment screw clockwise un-
til the pressure gauge in port X6 starts to increase.
Correct cut off pressure has been reached.
EPA/EPB/EOA/EOB/HPC/HOC with positive control
characteristics (T code)
With a de-energized solenoid (EPA/EPB/EOA/EOB) or
not pressurized X5 port (HPC/HOC), the motor will be
kept at minimum displacement.
1. De-energize de solenoid (EPA/EPB/EOA/EOB) or
pressurize port X5 so the displacement strokes to
min. The hydraulic oil should be 50°C.
2. Install a 0 – 600 bar gauge in port X6.
3. Turn the cut off adjustment screw counterclockwise
to ensure that the spring is unloaded.
4. Increase system pressure to desired cut off pressure.
5. Turn the cut off adjustment screw clockwise until
the pressure gauge in port X6 starts to decrease.
Correct cut off pressure has been reached.
Note:
One turn on the cut off adjustment screw corresponds
to 57 bar.
Controls and gauge ports
Cut off
setting screw
Main port A
Main port A
Port X2
Port X5
Airbleed port
Port X1
Port X4
Port locations - V16 - 220/270 with cut off
controls. (M code shown)