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Adjustments
Control
65
130/145
193
260
NPNN
If the desired
power setting is
90kW, the pump
input speed PC
[bar per turn]
N/A
163.2
163.2
163.2
NPSN & NPNR
PC [bar per turn] N/A
163.2
163.2
163.2
LS [bar per turn]
N/A
26.4
26.4
26.4
TPSN
PC [bar per turn] 163.2
271
163.2
163.2
LS [bar per turn]
26.4
50
26.4
26.4
MTC [kW per
turn]@1500rpm
31
39
73.5
99
NNES
LS [bar per turn]
N/A
26.4
26.4
26.4
EDC [mA offset
per turn]
N/A
263
263
263
TPE5
PC [bar per turn] N/A
163.2
N/A
N/A
MTC [kW per
turn]@1500rpm
N/A
50.8
N/A
N/A
EDC [mA offset
per turn]
N/A
263
N/A
N/A
TPE2
PC [bar per turn] N/A
N/A
163.2
163.2
MTC [kW per
turn]@1500rpm
N/A
N/A
73.5
99
EDC [mA offset
per turn]
N/A
N/A
263
263
Electric Displacement Control Adjustment
1. Install a pressure gauge in port MB to measure outlet pressure. Install a flow meter in outlet line to
measure pump flow.
W
Warning
Escaping hydraulic fluid under pressure can have sufficient force to penetrate your skin causing
serious injury and/or infection. Relieve pressure in the system before removing hoses, fittings,
gauges, or components.
Unintended movement of the machine or mechanism may cause injury to the technician or
bystanders. To protect against unintended movement, secure the machine or disable / disconnect
the mechanism while servicing.
C
Caution
Contamination can damage internal components and void the manufacturer’s warranty. Take
precautions to ensure system cleanliness when removing and reinstalling system lines.
2. Start the prime mover and input 700 mA to electric displacement control solenoid valve, then allow
fluid to reach normal operating temperature. The pump must be at full displacement at this point.
Danfoss recommends a prime mover speed of 1500rpm (unless specified otherwise).
The testing setup must be plumbed in a way so the EDC function works properly. Please refer to
Electric Displacement Control (E) Operating Instruction
3. Totally lock the LS control (if used) to avoid interference with EDC adjustment.
a) Loosen the LS control lock nut and turn the LS control adjusting screw clockwise all the way to the
end, while holding the LS control adjusting screw.
b) Torque the control lock nut to 21.6~24.6 N•m [191-218 lbf•in].
Service Manual
D1 High Power Open Circuit Pumps Size 65/130/145/193/260
Adjustments
36 |
©
Danfoss | July 2019
L1527453 | AX00000292en-CN0201