Parker COMPAX P1 Series Operating and installation instructions

P1/PD Series: 18cc to 140cc Medium
Pressure Axial Piston Pumps
Variable Displacement – Service Information
Bulletin HY28-2665-02/SVC/EN
Effective: June 01, 2010

2
WARNING - USER RESPONSIBILITY
FAILURE OR IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS DESCRIBED HEREIN OR RELATED ITEMS CAN CAUSE DEATH,
PERSONAL INJURY AND PROPERTY DAMAGE.
This document and other information from Parker-Hannifin Corporation, its subsidiaries and authorized distributors provide product or system options for further investigation
by users having technical expertise.
The user, through its own analysis and testing, is solely responsible for making the final selection of the system and components and assuring that all performance, endurance,
maintenance, safety and warning requirements of the application are met. The user must analyze all aspects of the application, follow applicable industry standards, and follow
the information concerning the product in the current product catalog and in any other materials provided from Parker or its subsidiaries or authorized distributors.
To the extent that Parker or its subsidiaries or authorized distributors provide component or system options based upon data or specifications provided by the user, the user is
responsible for determining that such data and specifications are suitable and sufficient for all applications and reasonably foreseeable uses of the components or systems.
OFFER OF SALE
The items described in this document are hereby offered for sale by Parker-Hannifin Corporation, its subsidiaries or its authorized distributor. This offer and its accepteance
are governed by the provisions stated in the detailed "Offer of Sale" elsewhere in this document.
The product information, specifications, and descriptions contained in this publication have been compiled for
the use and convenience of our customers from information furnished by the manufacturer; and we can not,
and do not, accept any responsibility for the accuracy or correctness of any description, calculation, specifica-
tion, or information contained herein. No such description, calculation, specification, or information regarding the
products being sold has been made part of the basis of the bargain, nor has same created or amounted to an
express warranty that the products would conform thereto. We are selling the goods and merchandise illustrated
and described on this publication on an “as is” basis, and disclaim any implied warranty, including any warranty of
merchantability or warranty of fitness for any particular purpose whatsoever, with respect to the goods and mer-
chandise sold. All manufacturer warranties shall be passed on to our customers, but we shall not be responsible
for special, indirect, incidental, or consequential damages resulting from the use of any of the products or informa-
tion contained or described on this publication. Further, we reserve the right to revise or otherwise make product
improvements at any time without notification.

Parker Hannifin Corporation
Hydraulic Pump Division
Marysville, Ohio USA
Bulletin HY28-2665-02/SVC/EN Medium Pressure Axial Piston Pumps
P1/PD Maintenance
3
General Information……………………………………………………………………………………… .......................... 4
Start up procedure…………………………………………………………………………………………......................... 5
Troubleshooting…………………………………………………………………………………………….......................... 6
Model code ordering information 018,028,045…………………………………………………………......................... 8
Model code ordering information 060,075,100,140……………………………………………………...... ................... 9
Technical data………………………………………………………………………………………………... ................... 10
Parts Data
018 & 028 pump exploded view………………………………………………………….............................................. 11
045 pump exploded view…………………………………………………………………............................................. 12
Parts list for 018, 028, 045…………………………..…………………………………………………...................... 13-14
060, 075, 100 & 140 pump exploded view...……………………………………………............................................. 15
Parts list for 060, 075, 100, 140…………………………..…………………………………………….....................16-17
Case to inlet check valves…………………………………………………………………............................ ............... 18
Volume stop…………………………………………………………………………………............................................ 19
Seal and parts kits……………….…………………………………………………………............................ .......... 20-21
L-compensator………………………………………………………………………………...................................... 22-23
C-compensator…………………….…………………………………………………………..................... .................... 24
AE, AF, AL, AM,AN compensator.…………………………………………………………........................... ............... 25
Assembly/Disassembly information
Compensator disassembly/inspection.……………………………………………………............................ .............. 26
Compensator assembly………….…………………………………………………………........................................... 27
018, 028, 045 disassembly………………………………………………………………….......................................... 29
018, 028, 045 Inspection…………………………………………………………………............................... .............. 32
018, 028, 045 rework limits………………………………………………………………….......................................... 33
018, 028, 045 assembly…………………………………………………………………............................................... 34
018, 028, 045 assembly tools……………………………………………………………….......................................... 37
018, 028, 045 test procedure.………………………………………………………………............................ ............. 39
060, 075, 100, 140 disassembly..…………………………………………………………............................ ............... 42
060, 075, 100, 140 inspection…..…………………………………………………………........................................... 44
060, 075, 100, 140 rework limits..…………………………………………………………........................................... 45
060, 075, 100, 140 assembly…...…………………………………………………………........................................... 46
060, 075, 100, 140 assembly tools..………………………………………………………........................................... 50
060, 075, 100, 140 test procedure………………………………………………………….......................................... 52
Conversions and formulas………...…………………………………………………………............................ ............ 55
Offer of sale………………………....…………………………………………………………........................................ 59
Contents
Contents

Parker Hannifin Corporation
Hydraulic Pump Division
Marysville, Ohio USA
Bulletin HY28-2665-02/SVC/EN Medium Pressure Axial Piston Pumps
P1/PD Maintenance
4
General Information
MOUNTING
FLUID CONNECTIONS
FLUID CLEANLINESS
MAINTENANCE
TEMPERATURE
VISCOSITY INDEX
RECOMMENDED FLUIDS
SYSTEM RELIEF VALVES
SIDE LOAD CAPABILITY
SHAFT INFORMATION
These pumps are designed to operate in any position. The pump shaft must be in alignment
with the shaft of the source driver and should be checked with a dial indicator. The mating
pilot bore and coupling must be concentric. This concentricity is particularly important if the
shaft is rigidly connected to the driven load without a flexible coupling.
Splined: The shafts will accept a maximum misalignment of 0.15mm, 0.005 inch, total
indicator reading. Angular misalignment at the external and internal spline axis must be less
than ± 0,002 mm per mm of shaft radius, ± 0.002 inches per inch of shaft radius. The coupling
interface must be lubricated. PARKER recommends lithium molydisulfide or similar grease.
The internal coupling should be hardened to Rc 27-34 and must conform to SAE-J498c,
class 5 flat root side fit.
Keyed: High strength heat treated keys must be used. Replacement keys must be hardened
to 27-34 Rc. The key corners must be chamfered 0.81-1.0 mm, 0.032”-0.040”, at 45° to clear
radii that exist in the keyway.
The P1/PD series is designed for inline-drive. Side loading on the shaft is not recommended.
If this is unavoidable consult your nearest PARKER representative.
Connect inlet and outlet lines to the port block of the pump. The maximum case pressure is 2
bar (30 psi) continuous, 4 bar (60 psi) intermittent. The case pressure must never exceed inlet
pressure by more than .5 bar (7 psi). When connecting case drain line make certain that drain
plumbing passes above highest point of the pump before passing to the reservoir. The case
leakage line must be of sufficient size to prevent back pressure in excess of 2 bar (30 psi) and
returned to the reservoir below the surface of the oil as far from the supply inlet as possible.
All fluid lines, whether pipe, tubing, or hose must be adequate size and strength to assure
free flow through the pump. An undersize inlet line will prevent the pump from operating
properly at full rated speed. An undersize outlet line will cause back pressure and cause heat
generation and increased noise. Flexible hose lines are recommended. If rigid piping is used,
the workmanship must be accurate to eliminate strain on the pump port block or to the fluid
connections. Sharp bends in the lines must be eliminated wherever possible. All system piping
must be cleaned and flushed before installing pump. Make sure the entire hydraulic system is
free of dirt, lint, scale, or other foreign material.
Caution: Do not use galvanized pipe. Galvanized coating can flake off with continued use.
Although the P1/PD series pumps have very fast off-stroke compensator response, system
relief valves are recommended in all cases for safety considerations.
The fluid recommended for use in these pumps has a petroleum base and contains agents
which provide oxidation inhibition and anti-rust, anti-foam and de-aerating properties as
described in PARKER standard HF-1. Where anti-wear additive fluids are specified, see
PARKER standard HF-0.
90 V. I. minimum. Higher values extend the range of operating temperature but may reduce
the service life of the fluid.
Determined by the viscosity characteristics of the fluid used. Because high temperatures
degrade seals, reduce the service life of the fluid and create hazards, fluid temperature
should not exceed 110°C (230°F) at the case drain.
The pump is self-lubricating and preventative maintenance is limited to keeping system fluid
clean by changing filters frequently. Keep all fittings and screws tight. Do not operate at
pressures and speeds in excess of the recommended limit. If the pump does not operate
properly, check the troubleshooting chart before attempting to overhaul the unit. Overhauling
may be accomplished by referring to the disassembly, rework limits of wear parts, and
assembly procedures as provided in this service manual.
Fluid must be cleaned before and continuously during operation, by filters that maintain a
cleanliness level of ISO 20/18/14. Better cleanliness levels will significantly extend the life
of the components. As contaminant generation may vary with each application, each must
be analyzed to determine proper filtration to maintain the required cleanliness level.

Parker Hannifin Corporation
Hydraulic Pump Division
Marysville, Ohio USA
Bulletin HY28-2665-02/SVC/EN Medium Pressure Axial Piston Pumps
P1/PD Maintenance
5
General Information
s2EADANDUNDERSTANDTHEINSTRUCTIONMANUAL
s)DENTIFYCOMPONENTSANDTHEIRFUNCTION
s6ISUALLYINSPECTCOMPONENTSANDLINESFORPOSSIBLEDAMAGE
s)NSURETHATALLNECESSARYPORTSAREPROPERLYCONNECTED
s#HECKRESERVOIRFORCLEANLINESS$RAINANDCLEANASREQUIRED
s#HECKmUIDLEVELANDlLLASREQUIREDWITHlLTEREDmUIDTOAMINIMUM)3/CLEANLI-
ness level of 20/18/14.
s&ILLPUMPCASEWITHCLEANOILPRIORTOSTARTING
s)FPUMPISMOUNTEDVERTICALLYWITHTHESHAFTUPBLEEDTHEAIROUTTHE$DRAINPORT
located near the mounting flange.
s#HECKALIGNMENTOFDRIVE
s#HECKOILCOOLERANDACTIVATEITIFINCLUDEDINCIRCUIT#HECKmUIDTEMPERATURE
s2EDUCEPRESSURESETTINGSOFCOMPENSATORANDRELIEFVALVE-AKESUREACCURATE
pressure readings can be made at appropriate places.
s)FSOLENOIDSINSYSTEMCHECKFORACTUATION
s*OGTHEPUMPDRIVE#HECKFORPROPERSHAFTROTATION-AKESUREPUMPlLLSPROPERLY
s3TARTTHEPUMPDRIVE
s"LEEDSYSTEMOFAIR2ECHECKmUIDLEVEL
s#YCLEUNLOADEDMACHINEATLOWPRESSUREANDOBSERVEACTUATIONATLOWSPEEDIF
possible).
s)NCREASEPRESSURESETTINGSGRADUALLYINSTEPS#HECKFORLEAKSINALLLINESESPE-
cially in pump and motor inlet lines.
s-AKECORRECTPRESSUREADJUSTMENTS
s'RADUALLYINCREASESPEED"EALERTFORTROUBLEASINDICATEDBYCHANGESINSOUNDS
system shocks, and air in fluid.
s%QUIPMENTISOPERATIONAL
Typical Ajustment Ranges and Initial Settings (unless customer specified at time of order)
Function Adjustment range Adjustment value Recommended or Initial Setting
Load sense pressure 8 - 35 bar
(116 - 500 psi)
28 bar (410 psi)
per turn 24 bar (350 psi)
Pressure compensator
High pressure
80 - 280 bar
(1160 - 4060 psi)
40 bar (580 psi)
per turn Factory supplied at minimum
Pressure compensator
Low pressure
20 - 80 bar
(290 -1160 psi)
18.6 bar (260 psi)
per turn Factory supplied at minimum
Maximum volume stop 100 - 50% Approximately
6% per turn 100 %
Minimum volume stop 0 - 25% Approximately
4% per turn 0%
Differential pressure 37 bar (540 psi) !DJUSTMENTNOT
recommended
FACTORY SET
DO NOT ADJUST
STARTUP PROCEDURE FOR
NEW INSTALLATIONS

Parker Hannifin Corporation
Hydraulic Pump Division
Marysville, Ohio USA
Bulletin HY28-2665-02/SVC/EN Medium Pressure Axial Piston Pumps
P1/PD Maintenance
6
Trouble Shooting
Component problems and circuit problems are often interrelated. An improper circuitmay operate with apparent success but
will cause failure of a particular component within it. The component failure can be the effect, not the cause of the problem.
This general guide is offered to help in locating and eliminating the cause of problems by studying their effects.
Effect of Trouble Possible Cause Fault Which Needs Remedy
noisy pump
air in fluid
leak in inlet line
low fluid level
turbulent fluid
return lines above fluid level
gas leak from accumulator
excessive pressure drop in the inlet line from a pressurized reservoir
inlet line strainer acting as air trap
cavitation in
rotating group
fluid too cold
fluid too viscous
fluid too heavy
shaft speed to high
inlet line too small
inlet strainer too small
inlet strainer too dirty
operating altitude too high
inlet pressure too low
misaligned shaft
faulty installation
distortion in mounting
axial interference
faulty coupling
excessive overhung loads
mechanical fault in pump
piston and shoe looseness or failure
bearing failure
incorrect port plate rotation
eroded or worn parts in the displacement control
erosion on barrel ports
and port plate
air in fluid see noisy pump above
cavitation see noisy pump above
pressure shocks
cogging load mechanical considerations
worn relief valve needed repairs
worn compensator replace
slow response in check
valves replace or relocate
excessive decompression
energy rates improve decompression control
barrel blow-off rotating group worn, excessive case pressure
compensator instability
excessive line
capacitance (line volume,
line stretch, acumulator
effects)
reduce line size or lengths
eliminate hose

Parker Hannifin Corporation
Hydraulic Pump Division
Marysville, Ohio USA
Bulletin HY28-2665-02/SVC/EN Medium Pressure Axial Piston Pumps
P1/PD Maintenance
7
Trouble Shooting
Effect of Trouble Possible Cause Fault Which Needs Remedy
high wear in pump
excessive loads reduce pressure settings
reduce speeds
contaminant particles
in fluid
improper filter maintenance
filters too coarse
introduction of dirty fluid to system
reservoir openings
improper reservoir breather
improper line replacement
improper fluid
fluid too thin or thick for operating temperature range
breakdown of fluid with time/temperature/heating effects
incorrect additives in new fluid
destruction of additive effectiveness with chemical aging
improper repair incorrect parts
incorrect procedures, dimensions, finishes
unwanted water in fluid
condensation
faulty breather/strainer
heat exchanger leakage
faulty clean-up practice
water in makeup fluid
heating of fluid
excessive pump leakage
recheck case drain flow and repair as required
fluid too thin
improper assembly, port timing
relief valve set too low (compared to load or to compensator)
instability caused by back pressure, worn parts
compensator set too high (compared to relief)
worn parts
pump too large for
fluid needs select smaller pump displacement
heat exchanger
water turned off or too little flow
water too hot
fan clogged or restricted
efficiency reduced by mud or scale deposits
intermittent hydraulic fluid flow
reservoir
too little fluid
improper baffles
INSULATINGAIRBLANKETTHATPREVENTSHEATREJECTION
HEATPICKUPFROMADJACENTEQUIPMENT

Parker Hannifin Corporation
Hydraulic Pump Division
Marysville, Ohio USA
Bulletin HY28-2665-02/SVC/EN Medium Pressure Axial Piston Pumps
P1/PD Maintenance
8
018, 028, 045 Ordering Model Code
Code Type
P
Open circuit,
variable
displacement
Code Displacement
018 18 cc/rev
(1.10 in
³ /rev)
028 28 cc/rev
(1.71 in
3
/rev)
045 45 cc/rev
(2.75 in
3
/rev)
Code Shaft Rotation
RClockwise
LCounterclockwise
Code Shaft Seal
SSingle Shaft Seal
Code Application
MMobile (P1)
SIndustrial (PD)
U* Universal
* Available on 45 cc , "S" Mounting
& Port Option Pumps only.
Code Seal Material
5Fluorocarbon
Code Design Level
ACurrent Design
Series
Code Paint
00 No Paint
PB Black Paint
Code Control Options
C0 0RESSURE,IMITERBAR!DJUSTMENT2ANGE
C1 0RESSURE,IMITERBAR!DJUSTMENT2ANGE
L0 Load sensing, 10-30 bar ∆P and Pressure Limiter 80-280 bar
L2 Load sensing, 10-30 bar ∆P and Pressure Limiter 80-280 bar with bleed orifice
AE 0ILOT/PERATED0RESSURE,IMITER#ONTROLWITH0ROPORTIONAL%LECTRONIC!DJUSTMENT6
AF 0ILOT/PERATED0RESSURE,IMITER#ONTROLWITH0ROPORTIONAL%LECTRONIC!DJUSTMENT6
AN* Pilot Operated Control with ISO-4401 (NG6) Interface and Shipping Cover
AM 0ILOT/PERATED0RESSURE,IMITER#ONTROLWITH-ECHANICAL!DJUSTMENTAND6ENT0ORT
AL Load Sense and Pressure Limiter (P'045 Torque Limiter only)
* Not a functional control as shipped . See control description on page 7.
Code Additional Control Options
0None
TTorque Limiter 45cc ALT, AMT only
Code Special Features
00 No Special Features
M2 Special Modification
Code Case-to-Inlet Check Valve/Port Type
04 Bolt Flange
(P'45 Only) / No Case Check
14 Bolt Flange
(P'45 Only) / With Case Check
2Threaded Ports / No Case Check
3Threaded Ports / With Case Check
Code Thru-Drive Mounting Pad/
Coupling*
0No Thru-Drive
ASAE 82-2 (A) Pilot &
SAE A 9T Coupling
HSAE 82-2 (A) Pilot &
SAE A 11T Coupling
BSAE 101-2 (B) Pilot &
SAE B 13T Coupling
QSAE 101-2 (B) Pilot &
SAE B-B 15T Coupling
* For 028 and 045 only
Code Displacement Adjustment
0None
1* !DJUSTABLE-AXIMUM$ISPLACEMENT
2* !DJUSTABLE-INIMUM$ISPLACEMENT
3* !DJUSTABLE-AX-IN$ISPLACEMENT
$ISPLACEMENTADJUSTMENTNOTAVAILABLEONTHRUDRIVE
Code Port Orientation
EEnd Ports
RSide Ports with Ripple Chamber
TSide Ports with Thru-Drive 45 only
Special
Features
Pump
Series
Code Series
P1 Mobile
PD Industrial
Shaft
Rotation
Shaft
Seal
Design
Level
Paint
Mounting
& Ports
Displacement
Type
Code 018 Shaft Options 028 Shaft Option 045 Shaft Option
01 SAE A 11T Spline SAE B-B 15T Spline SAE B-B 15T Spline
02 SAE 19-1 Key .75" Dia. SAE Key 1" Dia. B-B SAE Key 1" Dia. B-B
04 ISO/DIN Key 20mm Dia. ISO/DIN Key 25mm Dia. ISO/DIN Key 25mm Dia.
06 SAE A 9T Spline — —
08 — SAE B 13T Spline SAE B 13T Spline
Case-to-
Inlet Check
Valve
Thru-Drive
Mounting Pad
& Coupling
Displacement
Adjustment
Additional
Control
Options
Port
Orientation
Control
Options
Shaft
Options
Application
Seal
Material
Code
Mounting & Ports See Catalog Table for Complete Information
018
Mount
018
Threaded
018 Aux
Ports
028
Mount
028
Threaded
028 Aux
Ports
045
Mount
045
Threaded
045 4 Bolt
Flange
045 Aux
Ports
S82-2
SAE A
SAE
16/12
SAE
4/6
101-2
SAE B
SAE
20/12
SAE
4/8
101-2
SAE B
SAE
24/16
38/25mm
Code 61
SAE
4/10
A82-2
SAE A M33/27 BSPP
1/4,3/8"
101-2
SAE B
M42x2
M27x2
BSPP
1/4",1/2"
101-2
SAE B
M48x2
M33x2
38/25mm
DIN51/25
BSPP
1/4",1/2"
MISO M33/27 M12x1.5,
M16x1.5 ISO M42x2, M27x2
M12x1.5,
M22x1.5 ISO M48x2, M33x2
38/25mm
DN51/25
M12x1.5,
M22x1.5
BISO M33/27 BSPP
1/4,3/8" ISO M42x2,
M27x2
BSPP
1/4", 1/2" ISO M48x2, M33x2
38/25mm
DN51/25
BSPP
1/4", 1/2"

Parker Hannifin Corporation
Hydraulic Pump Division
Marysville, Ohio USA
Bulletin HY28-2665-02/SVC/EN Medium Pressure Axial Piston Pumps
P1/PD Maintenance
9
060, 075, 100, 140 Ordering Model Code
Code Paint
00 No Paint
PB Black Paint
Code Special Features
00 No Special Features
M2 Special Modification
Code Thru-Drive Mounting Pad/Coupling # Teeth
0
None (only valid for end or side ported) –
A
SAE 82-2 (A) & 16 (A) Coupling 9T
H
SAE 82-2 (A) & 19 (--) Coupling 11T
B
SAE 101-2 (B) & 22 (B) Coupling 13T
Q
SAE 101-2 (B) & 25 (B-B) Coupling 15T
C
SAE 127-4 (C) & 32 (C) Coupling 14T
N*
SAE 127-4 (C) & 38 (C-C) Coupling 17T
D**
SAE 152-4 (D) & 44 (D&E) Coupling 13T
J*** SAE 101-2 (B) rotated 45 degrees,
22 (B) coupling 13T
K*** SAE 101-2 (B) rotated 45 degrees,
25 (B-B) coupling 15T
*Available on 100 thru 140 models.
** Available on 140 models.
*** Available on "S" Mounting & Port Option Pumps only.
Code
Mounting & Ports See Catalog Table for Complete Information
060
Mount
060
Flange
Ports mm
060
Aux
Ports
075
Mount
075
Flange
Ports mm
075
Aux
Ports
100
Mount
100
Flange
Ports mm
100
Aux
Ports
140
Mount
140
Flange
Ports mm
140
Aux
Ports
S
SAE mounting with SAE ports
127-4
( C )
50/25
Code
61
SAE
4/10
127-4
( C )
50/25
Code
61
SAE
4/10
127-4
( C )
63/32
Code
61/62
SAE
4/12
152-4
( D )
63/32
Code
61/62
SAE
4/16
A
SAE mounting with BSPP drain, pilot, & gage ports, and metric 4-bolt inlet/outlet ports
127-4
( C )
50/25
Code
61
1/4 " -
3/4 "
127-4
( C )
50/25
Code
61
1/4"-
3/4"
127-4
( C )
63/32
Code
61/62
1/4"-
3/4"
152-4
( D )
63/32
Code
61/62
1/4"-
1"
M
ISO mounting with metric ports
ISO 50/25
DN51
M12/
M22 ISO 50/25 DN51
M12/
M22 ISO 63/32
DN64/32
M12/
M27 ISO 63/32
DN64/32
M12/
M33
B
ISO mounting with BSPP ports
ISO 50/25
DN51
1/4"-
3/4" ISO 50/25 DN51
1/4"-
3/4" ISO 63/32
DN64/32
1/4"-
3/4" ISO 63/32
DN64/32
1/4"-
1"
C*
*SAE C 2 bolt mtg w/ SAE ports
127-2
( C )
50/25
Code
61
SAE
4/10
127-2
( C )
50/25
Code
61
SAE
4/10 N/A N/A N/A N/A N/A N/A
D*
*SAE C 2 bolt mtg w/ BSPP auxiliary ports
127-2
( C )
50/25
Code
61
1/4"-
3/4"
127-2
( C )
50/25
Code
61
1/4"-
3/4" N/A N/A N/A N/A N/A N/A
* 60cc/r and 75cc/r only
Code Type
P
Open circuit,
variable
displacement
Code Displacement
060 60 cc/rev (3.66 in³/rev)
075 75 cc/rev (4.58 in³/rev)
100 100 cc/rev (6.41 in³/rev)
140 140 cc/rev (8.85 in³/rev)
Code 060 Shaft Options 075 Shaft Options 100 Shaft Options 140 Shaft Options
01 SAE C 14T Spline SAE C 14T Spline SAE C-C 17T Spline SAE D 13T Spline
02 SAE C 32-1 Key SAE C 32-1 Key SAE C-C 38-1 Key SAE D 44-1 Key
04
ISO\DIN Key 32mm Dia. ISO\DIN Key 32mm Dia. ISO\DIN Key 40mm Dia. ISO\DIN Key 50mm Dia.
06 — — SAE C 14T Spline —
Code Shaft Rotation
RClockwise
LCounterclockwise
Code Shaft Seal
S
Single Shaft Seal
Code Application
MMobile (P1)
SIndustrial (PD)
U* Universal
* Available on "S" Mounting
& Port Option Pumps only.
Code Seal Material
5Fluorocarbon
Code Design Level
A
Current Design Series
Code Additional Control Options
0None
TTorque limiter used w/ AM, AL (060)
& L0 (075-140) Options
Code Case-to-Inlet Check Valve
04 Bolt Flange / No Case Check Valve
14 Bolt Flange / With Case Check Valve
Mechanical
Displacement
Adjustment
Case-to-
Inlet Check
Valve
Thru-Drive
Mounting
Pad &
Coupling
Paint
Special
Features
Code Mechanical Displacement Adjustment
0None
1* !DJUSTABLE-AXIMUM$ISPLACEMENT
2* !DJUSTABLE-INIMUM$ISPLACEMENT
3* !DJUSTABLE-AX-IN$ISPLACEMENT
$ISPLACEMENTADJUSTMENTNOTAVAILABLEONTHRUDRIVE
Pump
Series
Code Port Orientation
EEnd Ports
SSide Ports
TSide Ports with Thru-Drive
Code Series
P1 Mobile
PD Industrial
Displacement Mounting
& Ports
Type
Port
Orientation
Shaft
Rotation
Seal
Material
Design
Level Additional
Control
Options
Control
Options
Application
Shaft
Seal
Shaft
Options
Code Control Options
C0 0RESSURE,IMITERBAR!DJUSTMENT2ANGE
C1 0RESSURE,IMITERBAR!DJUSTMENT2ANGE
L0 Load sensing, 10-30 bar ∆P and Pressure Limiter 80-280 bar
L2 Load sensing, 10-30 bar ∆P and Pressure Limiter 80-280 bar with bleed orifice
AE 0ILOT/PERATED0RESSURE,IMITER#ONTROLWITH0ROPORTIONAL%LECTRONIC!DJUSTMENT6
AF 0ILOT/PERATED0RESSURE,IMITER#ONTROLWITH0ROPORTIONAL%LECTRONIC!DJUSTMENT6
AN* Pilot Operated Control with ISO-4401 (NG6) Interface and Shipping Cover
AM 0ILOT/PERATED0RESSURE,IMITER#ONTROLWITH-ECHANICAL!DJUSTMENTAND6ENT0ORT
AL Load Sense and Pressure Limiter (P'060 Torque Limiter Pumps only)
* Not a functional control as shipped . See control description on page 7.

Parker Hannifin Corporation
Hydraulic Pump Division
Marysville, Ohio USA
Bulletin HY28-2665-02/SVC/EN Medium Pressure Axial Piston Pumps
P1/PD Maintenance
10
Typical Control
Response Time (ms)
Control Description Pump Operating Condition
018 028 045 060 075 100 140
”C” Pressure Limiter Maximum Displacement to Zero 25 25 25 37 21 26 30
Zero Displacement to Maximum 80 80 106 119 89 108 125
”L” Load Sensing Maximum Displacement to Zero 40 40 30 54 40 43 45
Zero Displacement to Maximum 70 70 120 186 97 189 280
”A” Pilot Operated
Control
Maximum Displacement to Zero 25 25 46 43 37 39 40
Zero Displacement to Maximum 80 80 131 125 115 123 130
* Based on NFPA testing standards
Typical Characteristics
Model P1/PD 018 P1/PD 028 P1/PD 045 P1/PD 060 P1/PD 075 P1/PD 100 P1/PD 140
Maximum Displacement, cm3/rev
cu.in./rev
18
1.10
28
1.71
45
2.75
60
3.66
75
4.58
100
6.01
140
8.54
Outlet Pressure – Continuous, bar
psi
280
4000
Intermittent*, bar
psi
320
4500
Peak, bar
psi
350
5000
P1 Maximum Speed – Boosted Inlet, rpm 3200 3200 3000 2800 2700 2500 2400
P1 (1.0 bar abs inlet), rpm 3200 3200 2600 2500 2300 2100 2000
P1 (0.8 bar abs inlet), rpm 2700 2800 2200 2000 1900 1800 1800
PD Maximum Speed (1.0 bar abs inlet), rpm 1800
PD (0.8 bar abs inlet), rpm 1800
Minimum Speed, rpm 600
Inlet Pressure – Maximum, bar
psi
10 (gage)
145
Rated, bar
psia
1.0 absolute (0.0 gage)
14.5
Minimum, bar
psia
0.8 absolute (-0.2 gage)
11.6
Case Pressure – Peak, bar 4.0 absolute (3.0 gage)
and less than 0.5 bar above inlet pressure
Rated, bar 2.0 absolute (1.0 gage)
and less than 0.5 bar above inlet pressure
Fluid Temperature Range, °C
°F
-40 to +95
-40 to +203
Fluid Viscosity – Rated, cSt 6 to 160
Max. Intermittent, cSt 5000 (for cold starting)
Min. Intermittent, cSt 5
Fluid Contamination – Rated, ISO 20/18/14
Maximum, ISO 21/19/16
SAE Mounting – Flange 82-2 (A) 101-2 (B) 101-2 (B) 127-2 (C) or 127-4 (C) 127-4 (C) 152-4 (D)
ISO Mounting - Flange 80 mm 100 mm 100 mm 125 mm 125 mm 125 mm 180 mm
SAE Keyed Shafts 19-1, A 25-1, BB 25-1, BB 32-1, C 32-1, C 38-1, CC 44-1, D
ISO Keyed Shafts 20 mm 25 mm 25 mm 32 mm 32 mm 40 mm 50 mm
SAE Spline Shafts 9T, A
11T, A
13T, B
15T, BB
13T, B
15T, BB 14T, C 14T, C 17T, CC 13T, D
Weight – End Port, kg (lb) 13.4 (29.5) 17.7 (39.0) 23 (50) 29 (64) 30 (66) 51 (112) 66 (145)
Side Port, kg (lb) 14.2 (31.3) 18.1 (40.0) 24 (52) 30 (67) 31 (68) 53 (117) 67 (147)
Thru-Drive, kg (lb) — — 27 (59) 34 (75) 35 (77) 55 (121) 82 (180)
*Intermittent pressure is defined as less than 10% of operation time, not exceeding 6 successive seconds.
Technical Data
Typical Control Reponse Times*
For max volume stops:
Pump Size % Stroke reduction per turn
P*060 6.76 P*018 9
P*075 6.2 P*028 8.2
P*100 5.5 P*045 7.5
P*140 4.8
Control Adjustment Sensitivity:
s,OAD3ENSE"AR4URN
s0RESSURE#OMPENSATORTO
bar range (C0) = 40 Bar/Turn
s0RESSURE#OMPENSATORTO
bar range (C1) = 18.6 Bar/Turn

Parker Hannifin Corporation
Hydraulic Pump Division
Marysville, Ohio USA
Bulletin HY28-2665-02/SVC/EN Medium Pressure Axial Piston Pumps
P1/PD Maintenance
11
18cc & 28cc Pump Exploded View
25
26
43
27
28
31
32
35
47 38
34
46
33
39
1
4
3
8
7
14
19
20
21
31
23
22
24
5
41
42
9
11
13
12
32
40
15
44
45

Parker Hannifin Corporation
Hydraulic Pump Division
Marysville, Ohio USA
Bulletin HY28-2665-02/SVC/EN Medium Pressure Axial Piston Pumps
P1/PD Maintenance
12
45cc Pump Exploded View
25
26
43
27
28
31
32
35
47 38
34
46
33
39
1
3
41
4
8
7
14
19
20
21
31
23
22
24
5
42
9
11
13
12
32
40
15
44
45
10
10

Parker Hannifin Corporation
Hydraulic Pump Division
Marysville, Ohio USA
Bulletin HY28-2665-02/SVC/EN Medium Pressure Axial Piston Pumps
P1/PD Maintenance
13
018, 028, 045 Pump Parts
ITEM # QTY 018 PART # 028 PART # 045 PART # DESCRIPTION
1 4 210 x209 210 x 211 361-12229-0 Socket head cap screw
3 1 Contact Factory for port block ordering information Port Block
4* 1 2050V-7 2160V-7 675-00168-0 Port block O-Ring
5 2 108X2V 108X2V 108X2V Boss Plug (not shown)
7 1 299X67 324-30014-0 324-30014-0 Port Plate Pin
8* 3 605-10077-0 605-10077-0 605-10077-0 O-Ring
91
03E-94415-0 03E-94967-0 03E-94339-0 Port plate, clockwise, industrial (PD)
03E-94414-0 03E-95968-0 03E-94340-0 Port plate, counter clockwise, industrial (PD)
03E-94413-0 03E-94969-0 03E-94341-0 Port plate, clockwise, mobile (P1)
03E-94416-0 03E-94970-0 03E-94342-0 Port plate, counter clockwise, mobile (P1)
03E-94963-0 03E-94376-0 03E-94675-0 Port plate, CCW, industrial (PD), ripple chamber
03E-94964-0 03E-94377-0 03E-95080-0 Port plate, CCW, industrial (PD), ripple chamber
03E-94965-0 03E-94378-0 03E-95374-0 Port plate, clockwise, mobile (P1), ripple chamber
03E-94966-0 03E-94379-0 03E-95375-0 Port plate, CCW, mobile (P1), ripple chamber
10* 2 ** ** 695-00912-0 Bias and control rod O-ring
11 1 03E-9427-0 03E-94390-0 03E-94355-0 Bias Guide
12 1 03E-94428-0 03E-94391-0 03E-94354-0 Bias Piston
13 1 03E-94430-0 03E-94393-0 03E-94356-0 Bias Spring
14 1 03E-94427-0 03E-94390-0 03E-94353-0 Control guide
15 1 03E-94426-0 03E-94389-0 03E-94352-0 Control piston
19 1 256X521 256X525 356-65144-0 Retaining ring, internal
20 1 787635 03E-94387-0 03E-94350-0 Barrel hold down spring
21 2 786996 03E-94388-0 03E-94351-0 Barrel hold down washer
22 3 787000 03E-94386-0 03E-94349-0 Barrel hold down pin
23 1 03E-94717-0 03E-94375-0 03E-94338-0 Barrel
24 1 787002 03E-94385-0 03E-94348-0 Spherical washer
25 1 786994 03E-94384-0 03E-94347-0 Retainer plate
26 9 789519 S2E-18415-0 S2E-18413-0 Piston and shoe assembly
27 1
03E-94409-0 03E-94372-0 03E-94335-0 01 shaft option, no thru drive
** 03E-94374-0 03E-94337-0 01 shaft option with thru drive
03E-94410-0 03E-94373-0 03E-94948-0 02 shaft option, no thru drive
** 03E-94900-0 03E-94908-0 02 shaft option with thru drive
03E-94800-0 03E-94903-0 03E-94923-0 04 shaft option, no thru drive
** 03E-94904-0 03E-94922-0 04 shaft option with thru drive
03E-94718-0 ** ** 06 shaft option, no thru drive
** ** ** 06 shaft option with thru drive
03E-94804-0 03E-95166-0 03E-94990-0 08 shaft option, no thru drive
** 03E-95492-0 03E-95197-0 08 shaft option with thru drive

Parker Hannifin Corporation
Hydraulic Pump Division
Marysville, Ohio USA
Bulletin HY28-2665-02/SVC/EN Medium Pressure Axial Piston Pumps
P1/PD Maintenance
14
018, 028, 045 Pump Parts
ITEM # QTY 018 PART # 028 PART # 045 PART # DESCRIPTION
28 1 S2E-18416-0 S2E-18414-0 S2E-18412-0 Cam
31 2 03E-94432-0 03E-94395-0 03E-94395-0 Bearing retainer Orifice
32 2 03E-94432-0 03E-94395-0 03E-94358-0 Cam bearing
33 1 ** ** ** Housing (not sold seperatley)
34 2
108X6 108X8 488-35055-0 Plug, SAE ORB
Consult Parker Rep. Plug, BSPP
Consult Parker Rep. Plug, ISO
35* 2 695-00908-0 695-00908-0 695-00910-0 SAE O-ring
38* 1 787140 P2-060-3304 620-82125-0 Shaft Seal
39 1 256X535 256X544 356-65158-0 Seal Retainer
40 1 see separate compensator ordering information Compensator
41 2 324-30024-0 324-30024-0 324-30014-0 Cover dowel pin
42 1 216-10013-0 789814 230-82227-0 Port block bushing
43 1 230-82514-0 789815 230-82516-0 Cylindrical roller bearing
44 1 256X222 256X221 356-65159-0 External retaining ring (shaft)
45 1 256X544 256X544 356-65144-0 Internal retaining ring (housing)
46 1 108X4 108X4 108X4 Boss plug
47* 1 695-00904-0 695-00904-0 695-00904-0 O-ring
* denotes Item is included in the seal kit

Parker Hannifin Corporation
Hydraulic Pump Division
Marysville, Ohio USA
Bulletin HY28-2665-02/SVC/EN Medium Pressure Axial Piston Pumps
P1/PD Maintenance
15
Pump Exploded View 060, 075, 100, 140
5 6
1
2
3
4
7
9
1110
13
10
14
12
16
18
15
17
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34 35
38
39
40
36 37
8

Parker Hannifin Corporation
Hydraulic Pump Division
Marysville, Ohio USA
Bulletin HY28-2665-02/SVC/EN Medium Pressure Axial Piston Pumps
P1/PD Maintenance
16
060, 075, 100, 140 Pump Parts
ITEM # QTY 060 PART # 075 PART # 100 PART # 140 PART # DESCRIPTION
14
(2:075) 361-13250-0 361-13270-0 361-14290-0 361-15270-0 Socket head cap screw
20
(2:075) ** 361-13250-0 ** ** Socket head cap screw (075 only)
3 1 Contact factory for port block ordering information. Port Block
4* 1 675-00164-0 675-00165-0 675-00169-0 675-00173-0 Port block O-Ring
5 2 488-35061-0 488-35061-0 488-35061-0 488-35061-0 Boss Plug (not shown)
6* 2 695-00904-0 695-00904-0 695-00904-0 695-00904-0 O-ring boss plug
7 1 324-30014-0 324-30014-0 324-30014-0 324-30014-0 Port Plate Pin
8* 3 605-10077-0 605-10077-0 605-10070-0 605-10070-0 O-Ring
91
03E-94038-0 03E-93169-0 03E-93785-0 03E-93252-0 Port plate, clockwise, industrial (PD)
03E-94039-0 03E-93170-0 03E-93786-0 03E-93253-0 Port plate, counter clockwise, industrial (PD)
03E-94040-0 03E-93171-0 03E-93787-0 03E-93254-0 Port plate, clockwise, mobile (P1)
03E-94041-0 03E-93172-0 03E-93788-0 03E-93255-0 Port plate, counter clockwise, mobile (P1)
10* 2 695-00912-0 695-00912-0 695-00914-0 695-00916-0 Bias and control rod O-ring
11 1 03E-94054-0 03E-93150-0 03E-93800-0 03E-93248-0 Bias Guide
** 03E-94498-0 03E-94827-0 03E-94743-0 Bias Guide, Overcenter Order Code Option “X”
12 1
03E-94053-0 03E-94149-0 03E-93799-0 ** Bias Piston
** ** ** 03E-93247-0 Bias piston no minumum volume stop
** ** ** 03E-94658-0 Bias piston with minimum volume stop
13 1 03E-94055-0 03E-93151-0 03E-93801-0 03E-93963-0 Bias Spring
** 03E-94499-0 03E-94829-0 03E-94752-0 Bias Spring, Overcenter Order Code Option “X”
14 1 03E-94052-0 03E-93148-0 03E-93798-0 03E-93246-0 Control guide
** 03E-94608-0 03E-94828-0 03E-93246-0 Control guide, Overcenter Order Code Option “X”
15 1 03E-94051-0 03E-93147-0 03E-93797-0 03E-94252-0 Control piston
** 03E-93147-0 03E-93797-0 03E-94751-0 Control piston, Overcenter Order Code Option “X”
16 1 230-82237-0 230-82237-0 230-82244-0 230-82239-0 Tapered roller bearing cup
17 1 INCLUDED IN ITEM 16 Tapered roller bearing cone
18 1 S2E-18591-0K S2E-18591-0K S2E-18640-0K S2E-18527-0K Bearing Shim Kit (includes all standard shim sizes)
19 1 356-65152-0 356-65144-0 356-65146-0 356-65147-0 Retaining ring, internal
20 1 03E-94049-0 03E-93145-0 03E-93795-0 03E-93959-0 Barrel hold down spring
21 1 03E-94050-0 03E-93146-0 03E-93796-0 03E-93244-0 Barrel hold down washer
22 1 03E-94048-0 03E-93263-0 03E-93845-0 03E-93267-0 Barrel hold down pin
23 1 03E-94036-0 03E-93129-0 03E-93783-0 03E-93242-0 Barrel
24 1 03E-94047-0 03E-93142-0 03E-93794-0 03E-93241-0 Spherical washer
25 1 03E-94046-0 03E-93139-0 03E-93793-0 03E-93240-0 Retainer plate
26 9 S2E-18296-0 S2E-17003-0 S2E-17912-0 S2E-17323-0 Piston and shoe assembly

Parker Hannifin Corporation
Hydraulic Pump Division
Marysville, Ohio USA
Bulletin HY28-2665-02/SVC/EN Medium Pressure Axial Piston Pumps
P1/PD Maintenance
17
060, 075, 100, 140 Pump Parts
ITEM # QTY 060 PART # 075 PART # 100 PART # 140 PART # DESCRIPTION
27 1
03E-94032-0 03E-93999-0 03E-93779-0 03E-93227-0 01 shaft option, no thru drive
03E-94033-0 03E-94000-0 03E-93780-0 03E-93228-0 01 shaft option with thru drive
03E-94034-0 03E-94001-0 03E-93781-0 03E-93231-0 02 shaft option, no thru drive
03E-94035-0 03E-94002-0 03E-93782-0 03E-93232-0 02 shaft option with thru drive
03E-94768-0 03E-94003-0 03E-94006-0 03E-93233-0 04 shaft option, no thru drive
03E-94767-0 03E-93127-0 03E-94007-0 03E-93234-0 04 shaft option with thru drive
** ** 03E-94500-0 03E-95070-0 06 shaft option, no thru drive
** ** 03E-94462-0 ** 06 shaft option with thru drive
28 1 S2E-18411-0 S2E-17443-0 S2E-17961-0 S2E-17957-0 Cam
29 1 230-82236-0 230-82236-0 230-82245-0 230-82241-0 Tapered roller bearing cone
(and cup on 100 and 140)
30 1 230-82235-0 230-82235-0 ** ** Tapered roller bearing cup
31 2 03E-93763-0 03E-93763-0 03E-93763-0 03E-93763-0 Bearing retainer Orifice
32 2 03E-94057-0 03E-93950-0 03E-93952-0 03E-93953-0 Cam bearing
33 1 ** ** ** ** Housing (not sold seperatley)
34 2
488-35014-0 488-35014-0 488-35014-0 488-35024-0 Plug, SAE ORB
447-01056-2 447-01056-2 447-01056-2 477-01068-2 Plug, BSPP
447-01065-5 447-01065-5 447-01065-5 477-01066-5 Plug, ISO
35* 2 695-00910-0 695-00910-0 695-0912-0 695-0916-0 SAE O-ring
605-10064-5 605-10064-5 605-10064-5 605-10064-5 BSPP O-ring
36 1
488-35061-0 488-35061-0 488-35061-0 488-35061-0 Plug, SAE ORB
447-01053-2 447-01053-2 447-01053-2 447-01053-2 Plug, BSPP
447-01061-5 447-01061-5 447-01061-5 447-01061-5 Plug, ISO
37* 1 695-0904-0 695-0904-0 695-0904-0 695-0904-0 SAE O-ring
605-10064-5 605-10061-5 605-10061-5 605-10061-5 BSPP O-ring
38* 1 620-82118-5 620-82118-5 620-82121-5 620-82120-5 Shaft Seal
39 1 356-65146-0 356-65146-0 356-65147-0 356-65148-0 Seal Retainer
40 1 See separate compensator ordering information. Compensator
* denotes Item is included in the seal kit

Parker Hannifin Corporation
Hydraulic Pump Division
Marysville, Ohio USA
Bulletin HY28-2665-02/SVC/EN Medium Pressure Axial Piston Pumps
P1/PD Maintenance
18
Case to Inlet Check Valve
CASE TO INLET CHECK VALVE
Item No Qty 018, 028, 045 060, 075, 100, 140 Description
50 1 314-10002-0 314-10000-0 Hollow Set Screw
51 1 03E-94720-0 03E-93931-0 Check Valve Poppet
52 1 03E-94721-0 03E-93987-0 Spring
53 1 03E-94722-0 03E-93988-0 Check Valve Stop
50 51 52 53 198±8 Nm
(146±6 ft-lbs)

Parker Hannifin Corporation
Hydraulic Pump Division
Marysville, Ohio USA
Bulletin HY28-2665-02/SVC/EN Medium Pressure Axial Piston Pumps
P1/PD Maintenance
19
Minimum and Maximum Volume Stop
Item No. Qty 018 028 045 060 & 075 100 & 140 Description
54 1 362-11045-0 311-50009-0 311-50011-0 !DJUSTING3CREW
55 1 334-00013-0 334-00011-0 ,OCKNUT!DJUSTING3CREW
56 1 03E-93181-0 03E-93181-0 Volume Stop Plug
57 1 695-00908-0 695-00908-0 O-Ring, Volume Stop Plug
58 1 618-15023-0 618-15023-0 Back-up Ring
59 1 695-00011-0 695-00011-0 O-Ring, Volume Stop Rod
60 1 03E-94736-0 03E-95170-0 03E-93262-0 03E-93262-0 Volume Stop Rod
61 1 488-35018-0 488-35018-0 Plug (No Volume Stop Control)
Not Shown 1 03E-95217-0 03E-95358-0 03E-93262-0 ** Minimum Volume Stop Rod
Kit S2E-19203-5 S2E-19204-5 S2E-18988-5K S2E-18987-5K S2E-18988-5K !DJUSTABLE-ANUAL3TOP
Maximum and minimum volume stops use the same components except where noted.
Volume Stop Control
57 61
54
55
56
57
58
59
60

Parker Hannifin Corporation
Hydraulic Pump Division
Marysville, Ohio USA
Bulletin HY28-2665-02/SVC/EN Medium Pressure Axial Piston Pumps
P1/PD Maintenance
20
Seal Kits 018 028 045 060 075 100 140
S2E-18709-5K S2E-19118-5K S2E-19066-5K S2E-18697-5K S2E18004-5K S2E-18460-5K S2E-18158-5K
Note: Seal kits contain all the seals required for any pump configuration.
Thru Drive Pad
and Coupling
Item #70
(see drawing)
Thru Drive Couplings
O-Ring
018 028 045 060 075 100 140
SAE A, 9 Tooth ** 03E-95163-0 03E-94942-0 03E-93278-0 03E-93278-0 03E-94274-0 03E-93947-0 695-00237-0
SAE A, 11 Tooth ** 03E-95164-0 03E-94943-0 03E-93724-0 03E-93724-0 03E-94657-0 ** 695-00287-0
SAE B, 13 Tooth ** 03E-95165-0 03E-94945-0 03E-93277-0 03E-93277-0 03E-94273-0 03E-93946-0 695-00243-0
SAE BB, 15 Tooth ** ** 03E-94361-0 03E-93279-0 03E-93279-0 03E-94272-0 03E-93945-0 695-00243-0
SAE C, 14 Tooth ** ** ** 03E-93276-0 03E-93276-0 03E-94271-0 03E-93944-0 695-00251-0
SAE CC, 17 Tooth ** ** ** ** ** 03E-94270-0 03E-93943-0 695-00251-0
SAE D&E, 13 Tooth ** ** ** ** ** ** 03E-93942-0 695-00259-0
Seal Kits and Parts Kits
70