STEP 1/MOUNTING THE HELM PUMP

TM-55-1930-209-14P-17 Water Purification Barges (NSN 1930-01-234-2165) Miscellaneous Equipment Dayroom Workshop Access and Sanitation Systems Manual
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STEP 1/MOUNTING THE HELM PUMP Mount the helm pump with the filler hole in its uppermost position. Determine desired mounting position for helm pump on dashboard. Ensure that steering wheel will not later interfere with other functional equipment. Use the cover bezel as a template and mark the holes. Cut a 4 ¹/₂" hole for the pump and drill the mounting holes with a ⁹/₃₂" drill then mount the helm with the bolts provided. NOTE: · Before proceeding with Step 2, install elbow fittings to helm pump. Elbow fittings are supplied with helm straight fittings are available, part no. HF5528. always use a quality soft pipe sealant such as Loctite P.S.T. or equivalent on pipe threads. Do not use tape sealers. STEP 2/INSTALLING HYDRAULIC HOSE Make certain that protective caps are on hose fittings Route hydraulic hose from behind dashboard area, along side of gunnel or builder-installed tube, to splashwell area. Use shortest convenient path. ensuring that minimum bend radius of 2 inches Is not exceeded. NOTE: IN REPLACEMENT INSTALLATIONS. YOU MAY FIND IT EASIER TO ATTACH HYDRAULIC HOSES TO MECHANICAL CABLES OR EXISTING HOSES WITH BLACK TAPE THEN PULLING NEW HOSE THROUGH WITH OLD CABLE OR HOSE. Ensure that hydraulic hose is protected against chafing and Is secured wherever possible. Do not allow hydraulic hose to hang free in an area where It could constitute a safety hazard. WARNING: This steering system is not recommended for use on boats where horsepower exceeds U.S. or other coast guard ratings. This cylinder is suitable for certain engines only. Install and maintain in accordance with Teleflex instructions. Use approved oils only. Do not use brake fluid. Failure to comply with the above may result In loss of steering. causing property damage and/or personal injury. STEP 3/HYDRAULIC HOSE CONNECTION Note from diagram below that starboard (right) helm pump fitting connects via hydraulic hose to port (left) cylinder fitting, and port (left) helm pump fitting connects via hydraulic hose to starboard (right) cylinder lilting. Swivel nuts on hydraulic hose fittings are color- coded to ensure correct connection. Fittings on one hose are gold: fittings on second hose are silver. Remove protective caps from fittings so you can see color codes, and connect hoses to helm pump and cylinder starboard to port, and port to starboard. Start hose nuts by hand. After several turns, firmly tighten with ⁵/₈” wrench. Do not overtighten (maximum 140 inch/pounds if you are using a torque wrench).

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