Service/Spare Parts Manual
Series V12
MSG30-5506-M1/UK
30
Parker Hannifin
Pump & Motor Division Europe
Trollhättan, Sweden
X1
Setting piston pressure (max-to-min, HO)
X1
Setting piston pressure (decreasing displ. HP)
X2
Servo supply pressure (after orifice)
X4
Servo supply pressure (before orifice)
X5
External pilot pressure (max 100 bar)
X6
Setting piston pressure (min-to-max, HO)
X6
Setting piston pressure (increasing displ. HP)
Gauge/Pilot ports (HO and HP control)
Ports are:
- M14x1.5 (ISO and cartridge versions)
- 9/16”-18 O-ring boss (SAE version)
25
Pump and Motor Division
Trollhättan, Sweden
Service Manual
Series V12
HY30-5506-M1/UK
Gauge/Pilot ports (AC and AH control)
X1
Setting piston pressure (increasing displ.)
X2
Servo supply pressure (after
X4
Servo supply pressure (before
X5
External pilot pressure
X6
Setting piston pressure (decreasing displ.)
X7
Override pressure (only AH control)
Ports are:
-
M14x1.5
(ISO and cartridge versions)
-
9
/
16
"-18 O-ring boss (SAE version)
Max
Min
X4
X2
A
X4
X2
A
X6
X1
B
X6
X5
X1
B
Max
Min
Max
Min
Optional
modulating
pressure
Displacement
(setting piston position)
Override
engaged
Min threshold
pressure
Max
threshold
pressure
System
pressure
Ps
Δp
Threshold
pressure
Modul.
pressure
ACI 01 I schematic (spool in a balanced, mid-pos.)
ACE 01 I schematic (spool in a balanced, mid-pos.)
Max
Min
X4
X7
X2
A
X6
X1
B
Max
Min
X4
X7
X5
X2
A
X6
X1
B
Max
Min
Displacement
(setting piston position)
Override
engaged
Min threshold
pressure
Optional
modulating
pressure
Max
threshold
pressure
System
pressure
Ps
Δp
Threshold
pressure
Modul.
pressure
AHI 01 I schematic (spool in a balanced, mid-pos.)
AHE 01 I schematic (spool in a balanced, mid-pos.)
27
Pump and Motor Division
Trollhättan, Sweden
Service Manual
Series V12
HY30-5506-M1/UK
Gauge/Pilot ports (HO and HP control)
X1
Setting piston pressure (max-to-min, HO)
X1
Setting piston pressure (decreasing displ. HP)
X2
Servo supply pressure (after
X4
Servo supply pressure (before
X5
External pilot pressure (max 100 bar)
X6
Setting piston pressure (min-to-max, HO)
X6
Setting piston pressure (increasing displ. HP)
Ports are:
-
M14x1.5
(ISO and cartridge versions)
-
9
/
16
"-18 O-ring boss (SAE version)
Max
Min
X4
5
X2
A
X6
X1
B
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
Displacement
(setting piston position)
Displacement
(setting piston position)
Min threshold
pressure
Max threshold
pressure
Pilot
pressure
Threshold
press. (min)
Adjustment
range
Ps
HO S 01 I schematic (X5 not pressurized)
HO S 01 E schematic (X5 not pressurized)
Ps
Min threshold
pressure
Max threshold
pressure
Δp
Threshold
pressure
Modulating
pressure
Pilot
pressure
HP S 01 I schematic (spool in a balanced, mid-pos.)
HP S 01 E schematic (spool in a balanced, mid-pos.)
27
Pump and Motor Division
Trollhättan, Sweden
Service Manual
Series V12
HY30-5506-M1/UK
Gauge/Pilot ports (HO and HP control)
X1
Setting piston pressure (max-to-min, HO)
X1
Setting piston pressure (decreasing displ. HP)
X2
Servo supply pressure (after
X4
Servo supply pressure (before
X5
External pilot pressure (max 100 bar)
X6
Setting piston pressure (min-to-max, HO)
X6
Setting piston pressure (increasing displ. HP)
Ports are:
-
M14x1.5
(ISO and cartridge versions)
-
9
/
16
"-18 O-ring boss (SAE version)
Max
Min
X4
5
X2
A
X6
X1
B
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
Displacement
(setting piston position)
Displacement
(setting piston position)
Min threshold
pressure
Max threshold
pressure
Pilot
pressure
Threshold
press. (min)
Adjustment
range
Ps
HO S 01 I schematic (X5 not pressurized)
HO S 01 E schematic (X5 not pressurized)
Ps
Min threshold
pressure
Max threshold
pressure
Δp
Threshold
pressure
Modulating
pressure
Pilot
pressure
HP S 01 I schematic (spool in a balanced, mid-pos.)
HP S 01 E schematic (spool in a balanced, mid-pos.)
27
Pump and Motor Division
Trollhättan, Sweden
Service Manual
Series V12
HY30-5506-M1/UK
Gauge/Pilot ports (HO and HP control)
X1
Setting piston pressure (max-to-min, HO)
X1
Setting piston pressure (decreasing displ. HP)
X2
Servo supply pressure (after
X4
Servo supply pressure (before
X5
External pilot pressure (max 100 bar)
X6
Setting piston pressure (min-to-max, HO)
X6
Setting piston pressure (increasing displ. HP)
Ports are:
-
M14x1.5
(ISO and cartridge versions)
-
9
/
16
"-18 O-ring boss (SAE version)
Max
Min
X4
5
X2
A
X6
X1
B
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
Displacement
(setting piston position)
Displacement
(setting piston position)
Min threshold
pressure
Max threshold
pressure
Pilot
pressure
Threshold
press. (min)
Adjustment
range
Ps
HO S 01 I schematic (X5 not pressurized)
HO S 01 E schematic (X5 not pressurized)
Ps
Min threshold
pressure
Max threshold
pressure
Δp
Threshold
pressure
Modulating
pressure
Pilot
pressure
HP S 01 I schematic (spool in a balanced, mid-pos.)
HP S 01 E schematic (spool in a balanced, mid-pos.)
25
Pump and Motor Division
Trollhättan, Sweden
Service Manual
Series V12
HY30-5506-M1/UK
Gauge/Pilot ports (AC and AH control)
X1
Setting piston pressure (increasing displ.)
X2
Servo supply pressure (after
X4
Servo supply pressure (before
X5
External pilot pressure
X6
Setting piston pressure (decreasing displ.)
X7
Override pressure (only AH control)
Ports are:
-
M14x1.5
(ISO and cartridge versions)
-
9
/
16
"-18 O-ring boss (SAE version)
Max
Min
X4
X2
A
X4
X2
A
X6
X1
B
X6
X5
X1
B
Max
Min
Max
Min
Optional
modulating
pressure
Displacement
(setting piston position)
Override
engaged
Min threshold
pressure
Max
threshold
pressure
System
pressure
Ps
Δp
Threshold
pressure
Modul.
pressure
ACI 01 I schematic (spool in a balanced, mid-pos.)
ACE 01 I schematic (spool in a balanced, mid-pos.)
Max
Min
X4
X7
X2
A
X6
X1
B
Max
Min
X4
X7
X5
X2
A
X6
X1
B
Max
Min
Displacement
(setting piston position)
Override
engaged
Min threshold
pressure
Optional
modulating
pressure
Max
threshold
pressure
System
pressure
Ps
Δp
Threshold
pressure
Modul.
pressure
AHI 01 I schematic (spool in a balanced, mid-pos.)
AHE 01 I schematic (spool in a balanced, mid-pos.)
27
Pump and Motor Division
Trollhättan, Sweden
Service Manual
Series V12
HY30-5506-M1/UK
Gauge/Pilot ports (HO and HP control)
X1
Setting piston pressure (max-to-min, HO)
X1
Setting piston pressure (decreasing displ. HP)
X2
Servo supply pressure (after
X4
Servo supply pressure (before
X5
External pilot pressure (max 100 bar)
X6
Setting piston pressure (min-to-max, HO)
X6
Setting piston pressure (increasing displ. HP)
Ports are:
-
M14x1.5
(ISO and cartridge versions)
-
9
/
16
"-18 O-ring boss (SAE version)
Max
Min
X4
5
X2
A
X6
X1
B
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
Displacement
(setting piston position)
Displacement
(setting piston position)
Min threshold
pressure
Max threshold
pressure
Pilot
pressure
Threshold
press. (min)
Adjustment
range
Ps
HO S 01 I schematic (X5 not pressurized)
HO S 01 E schematic (X5 not pressurized)
Ps
Min threshold
pressure
Max threshold
pressure
Δp
Threshold
pressure
Modulating
pressure
Pilot
pressure
HP S 01 I schematic (spool in a balanced, mid-pos.)
HP S 01 E schematic (spool in a balanced, mid-pos.)
27
Pump and Motor Division
Trollhättan, Sweden
Service Manual
Series V12
HY30-5506-M1/UK
Gauge/Pilot ports (HO and HP control)
X1
Setting piston pressure (max-to-min, HO)
X1
Setting piston pressure (decreasing displ. HP)
X2
Servo supply pressure (after
X4
Servo supply pressure (before
X5
External pilot pressure (max 100 bar)
X6
Setting piston pressure (min-to-max, HO)
X6
Setting piston pressure (increasing displ. HP)
Ports are:
-
M14x1.5
(ISO and cartridge versions)
-
9
/
16
"-18 O-ring boss (SAE version)
Max
Min
X4
5
X2
A
X6
X1
B
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
Displacement
(setting piston position)
Displacement
(setting piston position)
Min threshold
pressure
Max threshold
pressure
Pilot
pressure
Threshold
press. (min)
Adjustment
range
Ps
HO S 01 I schematic (X5 not pressurized)
HO S 01 E schematic (X5 not pressurized)
Ps
Min threshold
pressure
Max threshold
pressure
Δp
Threshold
pressure
Modulating
pressure
Pilot
pressure
HP S 01 I schematic (spool in a balanced, mid-pos.)
HP S 01 E schematic (spool in a balanced, mid-pos.)
27
Pump and Motor Division
Trollhättan, Sweden
Service Manual
Series V12
HY30-5506-M1/UK
Gauge/Pilot ports (HO and HP control)
X1
Setting piston pressure (max-to-min, HO)
X1
Setting piston pressure (decreasing displ. HP)
X2
Servo supply pressure (after
X4
Servo supply pressure (before
X5
External pilot pressure (max 100 bar)
X6
Setting piston pressure (min-to-max, HO)
X6
Setting piston pressure (increasing displ. HP)
Ports are:
-
M14x1.5
(ISO and cartridge versions)
-
9
/
16
"-18 O-ring boss (SAE version)
Max
Min
X4
5
X2
A
X6
X1
B
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
Displacement
(setting piston position)
Displacement
(setting piston position)
Min threshold
pressure
Max threshold
pressure
Pilot
pressure
Threshold
press. (min)
Adjustment
range
Ps
HO S 01 I schematic (X5 not pressurized)
HO S 01 E schematic (X5 not pressurized)
Ps
Min threshold
pressure
Max threshold
pressure
Δp
Threshold
pressure
Modulating
pressure
Pilot
pressure
HP S 01 I schematic (spool in a balanced, mid-pos.)
HP S 01 E schematic (spool in a balanced, mid-pos.)
27
Pump and Motor Division
Trollhättan, Sweden
Service Manual
Series V12
HY30-5506-M1/UK
Gauge/Pilot ports (HO and HP control)
X1
Setting piston pressure (max-to-min, HO)
X1
Setting piston pressure (decreasing displ. HP)
X2
Servo supply pressure (after
X4
Servo supply pressure (before
X5
External pilot pressure (max 100 bar)
X6
Setting piston pressure (min-to-max, HO)
X6
Setting piston pressure (increasing displ. HP)
Ports are:
-
M14x1.5
(ISO and cartridge versions)
-
9
/
16
"-18 O-ring boss (SAE version)
Max
Min
X4
5
X2
A
X6
X1
B
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
X4
X5
X2
A
X6
X1
B
Max
Min
Displacement
(setting piston position)
Displacement
(setting piston position)
Min threshold
pressure
Max threshold
pressure
Pilot
pressure
Threshold
press. (min)
Adjustment
range
Ps
HO S 01 I schematic (X5 not pressurized)
HO S 01 E schematic (X5 not pressurized)
Ps
Min threshold
pressure
Max threshold
pressure
Δp
Threshold
pressure
Modulating
pressure
Pilot
pressure
HP S 01 I schematic (spool in a balanced, mid-pos.)
HP S 01 E schematic (spool in a balanced, mid-pos.)
Gauge/Pilot ports (AC and AH control)