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Owners Manual - 6 Pages

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Owners Manual

Catalog excerpts

OWNERS MANUAL System VII Hydraulic Panel System VI Hydraulic Panel Thank you for purchasing the Navtec System VI or VII hydraulic panel. It is made of the highest quality materials available. Used with Navtec Backstay Cylinders, Boom Vangs, Cunningham Cylinders, etc. it will add to your sailing pleasure for years to come. System VI and System VII panels are similar except for their valves. System VI uses standard valves which are closed clockwise to hold pressure, cracked to allow pumping, and opened several turns to release. System VII uses FAC (fast acting control) valves. These valves are lighter and higher flow than the System VI valves. Both System VI & VII use a two speed autoshift pump, a Navtec exclusive. This pump features an adjustable shift point where two of the pump's four cylinders are taken off line, thus reducing the force required on the pump handle by two thirds, as well as reducing output volume by two thirds. Pump output in high speed is .6 cubic inches per cycle (one stroke each way), and .2 cubic inches per cycle in low speed (the same output as the System V The pressure output of the pump goes into a valve manifold which supplies any number of valves. A single valve is required for each function. The valve includes a pump/release valve, an adjustable relief valve, a flow regulator and a gauge. Each function is under constant relief valve protection and the pressure in the cylinder is indicated at all times by the gauge. System VI hydraulics come in various configurations depending on the number of functions and customer specifications. They are also available as "in-deck" panels to facilitateflush deck mounting, or on other out-of-the cockpit locations To mount panels, locate position of the panels keeping in mind normal crew positions while pumping as well as rear access for plumbing. Cut the appropriate hole (see table I) and mount panels using 1/4" stainless steel fasteners. Using high quality marine sealant between panel and bulkhead will prevent annoying leaks. In locating the reservoir, keep in mind that the higher the reservoir is relative to the pump, the more positive the intake pressure will be. High intake pressure will make it easier to prime the pump and will insure full flow to the cylinders at all pump speeds. The reservoir should also be as close the the pump as possible, and the reservoir cap should be accessible for easy filling. Note that the reservoir must be vented. The reservoir cap supplied is vented. If replacing the cap or making your own reservoir, be sure that a vent is included. See table III for reservoir capacities and

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SYSTEM VII AND SYSTEM VII HYDRAULIC PANELS Part Number Part Number Panel Depth Single lunction ln-deck panels Single Function Pump only panel Single Function Fast Acting Control 1. Panels of other configurations available 2. Includes pump, reservoir, filter and reservoir hose. 3. Additional function controls available. Call for details. 4. Does not include pump. 5. Light, Fast Acting Control Valves may be retrofit on existing System VI panels. All parts required, except the gauge, are included. 6. Does not included reservoir, filter or hose. 7. For cutout dimension, subtract 1.5 in (38.1...

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RELIEF VALVE ADJUSTMENT The relief valve (#2) is set at the factory to approximately 4000 psi. Adjustment is provided by the 1 " (25mm) round threaded cap in the aluminum valve block at the back of the panel. Maximum relief setting is 5000 psi. Turning the cap counter-clockwise will lower the setting. Clockwise will raise it. The adjustment is about 1000 psi per complete turn. To determine the setting without tensioning the rig, disconnect any cylinder from the rigging and pump that cylinder until it bottoms and the relief valve lifts which will be evident when continuous pumping fails to...

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OPERATING INSTRUCTIONS Insert pump handle. To operate, pump back and forth until pumping becomes difficult. Pump will shift into low gear automatically at factory preset pressure (around 1900 PSI). The shift pressure may be increased by turning the socket head cap screw in the black cylinder on the rear of the pump (#3) clockwise, and reduced by turning it counter clockwise. A 5/16" alien wrench will be needed. Sytem VII panels use the Fast Acting Control Valve (FAC Valve) which has a triangular shaped handle and is significantly wider than the System VI valve. Both are non-interconnected...

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Use #10 hydraulic oil or #10 non-detergent motor oil. (Detergents cause foaming). Never use brake fluid as it will attack the seals. Oil should be checked periodically for cleanliness. Any particulate matter in the oil will decrease the life of the moving parts and may also cause immediate malfunctions. The oil filter should be changed if there is any indication of pump skipping due to oil Yoursystem has been supplied with a reservoir appropriate fortheorigibnal installation (assuming number and size of cylinders were known at time of original order). When increasing either the number or...

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1. WARRANTY: Navtec warrants its products, in normal usage, to be free ot defects in materials and workmanship for a period of one year from date of original purchase by the user, subject to the conditions and limitations below. Any part that proves to be defective in normal usage during that one year period will be repaired or replaced by Naviec. This warranty is subject to the following conditions and limitations. A. Navtec's liability shall be limited to repair or replacement {choice of remedy at Navtec's option} of goods or parts defective in materialsorworkmanship. This shall be the...

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