Service/Spare Parts Manual
Series V14
MSG30-5510-M1/UK
16
Parker Hannifin
Pump & Motor Division Europe
Trollhättan, Sweden
HPC/EPC, HP/EP control with pressure
cut off
The pressure cut off overlays the
HP control.
- If the system pressure increase, due to the load or
reduced motor displacement, to the setting of the
pressure cut off valve, the control increases displa-
cement. When displacement increases, the available
torque increases as well but the system pressure re-
mains constant.
- Pressure cut off range is 100 – 400 bar (1450 –
5800 psi)
- Threshold pressure is preset from factory to 10 bar
(145 psi) but is adjustable between 5 and 50 bar
(70 – 700 psi).
- Threshold current is preset from factory to 400 mA
(12V) or 200 mA (24V).
12V is adjustable between 200-500 mA
24V is adustable between 100-250 mA
Cut off pressure setting procedure:
Untie the locking nut. One turn of the setting screw
corresponds to 48 bar. When desired pressure level is
reached, tighten the locking nut.
1. Install 0 – 600 bar (0 – 8500 psi) gauges in port X1
and X4 and a 0 – 60 bar (0 – 850 psi) gauge in port
X5.
2. Set the cut off pressure to minimum by turning the-
setting screw counter-clockwise until a distinct stop
isreached.
3. Set the motor displacement to minimum by apply-
ingrequired pressure to port X5.
4. Increase the pressure in one of the main ports A/B
(e.g. byblocking the motor shaft) to desired cut off
pressure level.
5. Turn the setting screw clockwise, until the pressure
inport X1 reaches the same pressure level as in X4.
Desired cut off pressure has been reached.
16
Parker Hannifin
Pump and Motor Division
Trollhättan, Sweden
Service Manual
Series V14
Bulletin HY30-5510-M1/UK
HPC/EPC, HP/EP control with pressure cut off
- The pressure cut off overlays the
HP control.
- If the system pressure increase, due
to the load or reduced motor displacement,
to the setting of the pressure cut off valve,
the control increases displacement.
When displacement increases, the available
torque increases as well but the system
pressure remains constant.
- Pressure cut off range is 100 - 400 bar
(1450 - 5800 psi)
- Threshold pressure is preset from factory
to 10 bar (145 psi) but is adjustable between
5 and 50 bar (70 - 700 psi).
- Threshold current is preset from factory to
400 mA (12V) or 200 mA (24V).
12V is adjustable between 200-500 mA
24V is adustable between 100-250 mA
Cut off pressure setting procedure:
Untie the locking nut. One turn of the setting screw corre-
sponds to 48 bar. When desired pressure level is reached,
tighten the locking nut.
1. Install 0 - 600 bar (0 - 8500 psi) gauges in port X1 and X4
and a 0 - 60 bar (0 - 850 psi) gauge in port X5.
2. Set the cut off pressure to minimum by turning the
setting screw counter-clockwise until a distinct stop is
reached.
3. Set the motor displacement to minimum by applying
required pressure to port X5.
4. Increase the pressure in one of the main ports A/B (e.g. by
blocking the motor shaft) to desired cut off pressure level.
5. Turn the setting screw clockwise, until the pressure in
port X1 reaches the same pressure level as in X4.
Desired cut off pressure has been reached.
HPC schematic (shown: port X5 not pressurized;
control moving towards max displacement).
V14_HPC_schematic.eps
Leif A./10-08-11
A
B
X1
X4
(1/4" BSP)
E
C
F
D
Min
Max
X5
Max 100 bar
Cut off setting screw
HPC schematic (shown: port X5 not pressurized;
control moving towards max displacement).
16
Parker Hannifin
Pump and Motor Division
Trollhättan, Sweden
Service Manual
Series V14
Bulletin HY30-5510-M1/UK
HPC/EPC, HP/EP
control with pressure cut off
- The pressure cut off overlays
the
HP control.
- If the system pressure
increase, due
to the load or reduced
motor displacement,
to the setting of the pressure
cut off valve,
the control increases
displacement.
When displacement
increases, the available
torque increases
as well but the system
pressure remains constant.
- Pressure cut off range
is 100 - 400 bar
(1450 - 5800 psi)
- Threshold pressure
is preset from factory
to 10 bar (145 psi) but is adjustable
between
5 and 50 bar (70 - 700 psi).
- Threshold current is preset
from factory to
400 mA (12V) or 200 mA
(24V).
12V is adjustable
between 200-500
mA
24V is adustable
between 100-250
mA
Cut off pressure setting procedure:
Untie the locking nut. One
turn of the setting screw
corre-
sponds to 48 bar. When
desired pressure
level is reached,
tighten the locking nut.
1. Install 0 - 600 bar (0 - 8500
psi) gauges in port X1 and
X4
and a 0 - 60 bar (0 - 850
psi) gauge in port X5.
2. Set the cut off pressure
to minimum by turning
the
setting screw counter-clockwise
until a distinct stop is
reached.
3. Set the motor displacement
to minimum by applying
required pressure
to port X5.
4. Increase the pressure
in one of the main ports
A/B (e.g. by
blocking the motor shaft)
to desired cut off pressure
level.
5. Turn the setting screw
clockwise, until the pressure
in
port X1 reaches the same
pressure level as in X4.
Desired cut off pressure
has been reached.
HPC schematic (shown: port X5 not pressurized;
control moving towards max displacement).
V14_HPC_schematic.eps
Leif A./10-08-11
A
B
X1
X4
(1/4" BSP)
E
C
F
D
Min
Max
X5
Max 100 bar
Cut off setting screw
Cut off
setting screw
Controls and gauge ports
