Harken 1027 MKIII Hydraulic Jib Reefing & Furling - Manual (Page 4)

4 Hydraulic 3/3.25 10/7/08
■ DRAIN SYSTEM
Besides the main hoses for forward and reverse, a fitting for
a drain hose is included. The drain hose must be lead to the
main reservoir in the power unit.
The unit will work with any Harken hydraulic power pack.
Best performance will be with the hydraulic 6 or 8 system.
See performance charts.
■ VALVES ON POWER UNIT
Furler can be used with open or closed center, 4-way,
3-position control valves.
■ MAXIMUM OPERATION PRESSURE
Set relief valve on power plant at 140 Bar or 2000 PSI.
Harken power packs ship with valves set at 140 Bar.
■ OIL SPECIFICATIONS
Gear box oil - AGMA8, 90 weight gear oil
18 ounce (510 g) capacity
Note: The gear box is filled with oil at the factory.
Under normal conditions there is no need to change
the gear box oil.
Hydraulic fluid is a petroleum based oil, ISO viscosity
grade 46, anti-corrosion, anti-foam, anti-oxidant,
anti-rust, anti-wear additives.
Fluid examples: Exxon Nuto, Shell Tellus, BP Energol HLP
50 RPM 5 GPM (16 l/min.) 3/3.25
Rotation at No Load Recommended Flow Rate Size
Power Requirements
General Specifications Drain System/Valves/Pressure/Oil
Note: Some fluid may drip from the unit during shipping.
This is normal and should stop once the unit is in its sailing
position. All units are tested before leaving the factory.
Units are shipped port side facing up.
Make sure unit is shipped or stored port side up. If it is
not, gear oil will leak out of the pressure relief valve.
CAUTION!: The only parts of furler to be
disassembled by installer are the Torque Tube and
Lower Cowling. All other work should be performed
by factory-authorized personnel.
Work performed
by unauthorized personnel may void the Harken
limited warranty.