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HPU200 Hydraulic Power Units
Kobelt Manufacturing Co. Ltd.
Rev B
MNL-HPU200
7 of 36
the pump unit is self-contained, installation involves connecting the pump to the steering
lines and the electrical control and adjusting the unit to the requirements of the vessel.
2.1.1
Electric Motor
The electric motor is a heavy-duty totally enclosed, fan-cooled unit featuring high efficiency
permanent magnet construction, oversized brush gear with easy access, and standard foot
and face mountings. The HPU200 is available with 12VDC, 24VDC or 115/230VAC motors.
The electrical junction box provides protected connections for the solenoid values for port,
starboard, and two-speed operation.
2.1.2
Gear Pump
The gear pump is a compact rugged unit which features a cast iron case, hardened steel gears
and a high-pressure shaft seal. The suction side of the gear pump is connected to a suction
drop manifold. This manifold has oversized porting for low velocity oil flow and air/oil
separation.
2.1.3
Hydraulic Steer Valve Manifold
The hydraulic manifold features the following;
•
high pressure reusable filter
•
pressure relief cartridge
•
adjustable high and low flow control cartridges
•
high speed solenoid valve
•
pressure gauge
•
4-way soft shift solenoid valve (HPU 200-300 optional, HPU400 standard)
•
valve housing anodized aluminum with oversized porting
•
bleed fitting for air extraction
2.1.4
Motor/Pump Housing
This coupling interfaces all components of the pump set as well as provides a stable foot
mount. The unit is machined to ensure accurate coupling of the motor and pump. It houses
the flexible drive coupling, which transfers energy from the motor to the pump. The flexible
drive coupling provides quiet vibration-free alignment. It is constructed of anodized
aluminum.