Lowrance LF3000 Linear feedback unit H1000 Pilot Installation Manual - Page 26

description/installation, hydraulic drive pumps

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h1000 pilot description/installation hydraulic drive pumps description The reversible hydraulic drive pump has a small high-speed pump driven by a 12V or 24V dc permanent magnet motor. The pump has pilot check valves to prevent back driving and a pilot operated reservoir valve to enable the unit to drive balanced or unbalanced cylinders. The unit has port and starboard ¼ inch BSP service ports and a ¼ inch BSP reservoir port. pump data Hydraulic Pump Type Pump Type Supply Voltage Typical Operating Current Range Maximum Pressure Maximum Flow Rate at continuous duty motor loading Cylinder Capacity Weight PMP-T1-12V Reversible dc motor 12V dc 5A to 17.5A 1000 psi 750 cc/min (46 in3/min) 100cc to 300cc (6.1 to 18.3 in3) 3 kg (6.6 lbs) PMP-T2-12V Reversible dc motor 12V dc 5A to 22.5A 1000 psi 1420 cc/min (87 in3/min) 275cc to 550cc (16.8 to 33.6in3) 3 kg (6.6 lbs) PMP-T3-24V Reversible dc motor 24V dc 6A to 17.5A 1000 psi 1980 cc/min (121 in3/min) 525cc to 750cc (32 to 46in3) 4 kg (8.8 lbs) key points on installation x A position should be chosen convenient for the steering system hydraulic delivery lines. x The site should be rigid and flat to prevent excess vibration. x Shielded from the direct effects of the elements. x Minimise the lengths of the hydraulic lines from the pump to the cylinder and where possible, the pump motor supply cables. Page 25

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h1000 pilot
description/installation
Page 25
hydraulic drive pumps
description
The reversible hydraulic drive pump has a small high-speed pump driven by a 12V or 24V dc permanent
magnet motor. The pump has pilot check valves to prevent back driving and a pilot operated reservoir
valve to enable the unit to drive balanced or unbalanced cylinders. The unit has port and starboard
¼ inch BSP service ports and a ¼ inch BSP reservoir port.
pump data
Hydraulic Pump Type
PMP-T1-12V
PMP-T2-12V
PMP-T3-24V
Pump Type
Reversible
dc motor
Reversible
dc motor
Reversible
dc motor
Supply Voltage
12V dc
12V dc
24V dc
Typical Operating Current
Range
5A to 17.5A
5A to 22.5A
6A to 17.5A
Maximum Pressure
1000 psi
1000 psi
1000 psi
Maximum Flow Rate
at continuous duty motor
loading
750 cc/min
(46 in
3
/min)
1420 cc/min
(87 in
3
/min)
1980 cc/min
(121 in
3
/min)
Cylinder Capacity
100cc to 300cc
(6.1 to 18.3 in
3
)
275cc to 550cc
(16.8 to 33.6in
3
)
525cc to 750cc
(32 to 46in
3
)
Weight
3 kg
(6.6 lbs)
3 kg
(6.6 lbs)
4 kg
(8.8 lbs)
key points on installation
A position should be chosen convenient for the steering system hydraulic delivery lines.
The site should be rigid and flat to prevent excess vibration.
Shielded from the direct effects of the elements.
Minimise the lengths of the hydraulic lines from the pump to the cylinder and where possible, the
pump motor supply cables.