Parker eP2, eP3 Installation And Setup Manual
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Bulletin MSG30-2901-INST/UK
Installation and setup
manual
Series eP2 / eP3
Electronic Controls
Effective: March 01, 2019
Supersedes: March 01, 2018
Bulletin MSG30-2901-INST/UK
Installation and setup manual
Axial Piston Pumps
Series eP2 / eP3 – Electronic Controls
Contents Page
Installation, Start-up and Setup ........................................................................................................ 3
1. Preparation ................................................................................................................................. 3
1.1. Model code check ............................................................................................................... 3
1.2. Visual inspection .................................................................................................................. 3
1.3. Rotation check ..................................................................................................................... 3
2. Installation .................................................................................................................................. 3
2.1. Drive input ........................................................................................................................... 3
2.2. Connections ........................................................................................................................ 3
2.3. Electrical interfaces, PIN assignment .................................................................................. 5
2.4. Wiring recommendations ..................................................................................................... 5
2.5. Power supply – sensors, reference voltage ......................................................................... 5
2.6. Sensor properties ................................................................................................................ 6
2.7. Valve properties ................................................................................................................... 6
2.8. Electrical displacement adjustment ..................................................................................... 6
2.9. eP2 / eP3 control functions ................................................................................................. 7
2.10.Valve function ..................................................................................................................... 7
2.11.Typical arrangements eP2 .................................................................................................. 8
2.12.Typical arrangement eP3 ................................................................................................... 8
2.13.Fluid reservoir .................................................................................................................... 9
2.14.Hydraulic system safety ..................................................................................................... 9
3. Hydraulic fluid requirements ....................................................................................................... 9
3.1. Recommended fluids ........................................................................................................... 9
3.2. Cleanliness level .................................................................................................................. 9
3.3. Viscosity .............................................................................................................................. 9
3.4. Compatibility with Sealing Material ...................................................................................... 9
4. Start up and Operation ............................................................................................................... 9
4.1. Start up Procedure .............................................................................................................. 9
4.2. Temperature ...................................................................................................................... 10
4.3. Inspection and Maintenance ............................................................................................. 10
5. Trouble Shooting ...................................................................................................................... 10
6. Appendix - System Layout with pump control module (PCM) .................................................. 11
Parker Hannifin Manufacturing Germany GmbH & Co. KG
2
Pump & Motor Division Europe
Chemnitz, Germany
Bulletin MSG30-2901-INST/UK
Installation and setup manual
Installation, Start-up and Setup
In order to provide for safe and failure-free operation of hydraulic pumps of series P2/P3 it is
mandatory to conduct a careful installation and
start up procedure.
Respective requirements as well as aspects specific for the electronically controlled pump models
are listed and described within the following instructions. During installation and start up the following
steps need to be carried out carefully.
1.Preparation
1.1. Model code check
Beside information on pump settings, design series
and manufacturing date the pump’s nameplate also
shows the ordering code of the pump, which needs
to be compared to your order acknowledgement /
shipping papers.
PMD-Chemnitz
PUMP MAXIMUS
cc/rev
FACTORY SETTINGS
cc/rev
Rot.
Made in Germany
Pmax
bar
Pset
bar
Des.
Ser.
Ordering Code
Speed
Technical Data
RPM
Torque
Pump Settings
Nm
Rotation/Serial N°/Design series
1.2. Visual inspection
Make sure that all components of the shipment
are complete, free of damage as well as outside
contamination. Also please check for a proper protection against ingression of contaminants.
1.3. Rotation check
Please make sure that the pump‘s rotational direction fits the requirements of the driving mechanism.
The rotational direction of P2 and P3 piston pumps
always refers to view from shaft end and can be
taken from both the nameplate as well as an arrow
machined into the rear cover.
Axial Piston Pumps
Series eP2 / eP3 – Electronic Controls
Clockwise rotation Counter-clockwise
rotation
Contamination is the number one cause for
component failure. Therefore maximum care and
cleanliness are required during all handling of parts
which are in contact with the hydraulic fluid. All
ports of the pump must be covered / plugged until
the connectors and hoses are mounted. Perform
assembly preferably in a dry and dust free room.
Use only suitable tools.
2.Installation
2.1. Drive input
Please strictly follow the instructions of the coupling
/ PTO supplier regarding axial clearance, axial
alignment and angular tolerances. The drive shaft
should only carry torque. Units subject to radial
loads require the installation of an outboard bearing. Axial loads are not permitted.
2.2. Connections
Avoid rigid connection between pump and reservoir to prevent excitation of the whole system due
to pump vibrations. Same goes for connections
to frame.
Suction port: Ensure an absolute gas tight connection of the pumps suction port in order to prevent
cavitation and noise. Further on avoid sharp elbows, restrictions of inlet diameter and turbulences
at the pump’s inlet. The suction pipe must have
access to clean, cooled and filtered fluid, which is
free of air bubbles. Pipe end is recommended to
be cut under 45°.
Series P2/P3’s maximum operating speed is determined by actual displacement and inlet pressure.
Detailed values can be taken from the catalogs
MSG30-2800 and MSG30-2900. If the pump is
controlled by a Parker PMDE supplied pump control
module (PCM) and the speed feedback is tied into
the controller, a warning message will be
Parker Hannifin Manufacturing Germany GmbH & Co. KG
3
Pump & Motor Division Europe
Chemnitz, Germany
Bulletin MSG30-2901-INST/UK
Installation and setup manual
Axial Piston Pumps
Series eP2 / eP3 – Electronic Controls
generated and logged in case the measured drive
speed exceeds respective limitations.
Minimum pump inlet pressure under static and
dynamic load (P2, eP2, P3, eP3):
p
= 0.8 bar abs.
in,min
Maximum pump inlet pressure (P2, eP2):
= 10 bar abs.
p
in,max
Maximum pump inlet pressure (P3, eP3):
= 1.5 bar abs.
p
in,max
Pressure port: Select correct pressure rating for
pipe / hose and connectors. Take pressure peaks
into account. Dimension the piping according to
the port size. Prevent excitation of the system by
using flexible port connections. Maximum pressure
ratings must not be exceeded (see MSG30-2800;
MSG30-2900). If the pump is controlled by a Parker
PMDE supplied PCM and the pressure feedback is
tied into the controller, a warning message will be
generated and logged in case the measured pump
pressure exceeds respective limitations.
Drain port: Always use highest possible drain
port of the pump (above pump‘s centerline). Do
not combine drain lines. Use low pressure pipe /
hose, as short as possible and full cross section
according to port dimension (see MSG30-2800;
MSG30-2900). Do not use elbows or sharp corners. To prevent the pump‘s case from emptying
add a bridge higher than pump‘s top to drain line
if required. Drain pipe must end at least 200 mm
below minimum hydraulic tank fluid level. Length
should not exceed 2 m, otherwise use larger pipe
diameter than port size.
Maximum cont. case drain pressure (P2, eP2,
P3, eP3):
= 1.5 bar abs.
p
case,max
For reasons of better heat dissipation the drain
ports of P2 can also be used for flushing. Recommended flushing flow is 6 to 10 l/min (P2075),
8-11 l/min (P2145). In case of deadhead operation
exceeding 15 minutes and 100 bar case flushing is
strongly recommended.
Valve connection
Swash angle
sensor
connection
Standard
drain port
optional Drain port
Pressure gage port /
pressure sensor connection (optional)
Standard
drain port
Outlet port
Inlet gage
port
Parker Hannifin Manufacturing Germany GmbH & Co. KG
4
Pump & Motor Division Europe
Chemnitz, Germany
Inlet port
Bulletin MSG30-2901-INST/UK
Installation and setup manual
Axial Piston Pumps
Series eP2 / eP3 – Electronic Controls
2.3. Electrical interfaces, PIN assignment
Check voltage, current, phase and connection properties before plugging in any electrical component.
Following mating connectors need to be used to
connect the actuator and sensors properly.
Electrical
component
Valve DT04-2P DT06-2S
Swash angle sensor DT04-3P DT06-3S
Pressure Sensor DT04-4P DT06-4S
With correctly installed and mounted mating connector all “DEUTSCH” connectors used meet
protection class IP 67.
PIN assignment - valve:
The terminal assignment of supply and GND is not
important for functionality of the valve.
PIN assignment – swash angle sensor:
PIN assignment – swash angle sensor:
PIN / Terminal Connection
A 5V / VREF+ / Supply – red
B 0V / VREF- / GND – black
C Signal – blue
Connector Mating
Connector
PIN assignment - pressure sensor:
PIN / Terminal Connection
1 5V / VREF+ / Supply
2 0V / VREF- / GND
3 Signal
4 n.c.
2.4. Wiring recommendations
Component Cross
Valve
Swash angle sensor min.
section
min.
0,75 mm²
(AWG 18)
0,5 mm²
(AWG 20)Pressure Sensor
Stranded
wire cable
Cable
type
painting.
NOTICE
Do not treat the sensor with electro static
2.5. Power supply – sensors, reference
voltage
Output voltage 5V ± 150mV
Max. out voltage drift 0,5mV/°C
Recommended load
current
Recommended
protection
Diagnostic
Recommended over-/
undervoltage threshold
Parker Hannifin Manufacturing Germany GmbH & Co. KG
5
Pump & Motor Division Europe
Chemnitz, Germany
150mA
Overload, SCB (Short
to Battery) , SCG
(Short to Ground)
Over-/ undervoltage
recommended for
error detection
±500mV from
nominal value
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