Barko Hydraulics 595ML Service Manual
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Contents
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page 39595 ML CRL (S)800-00177A heavy wall tubing and multi-wire hose network carries the hydraulic oil from the reservoir to the pumps and valvesand then to cylinders and motors and finally back to the reservoir.Operating pressure of the hydraulic system varies from model to model. For your loader, consult the HydraulicPressure Warning Sheet in this manual.Replace any tubelines which are bent or have become flat. There will be a restriction of fluid flow which will makehydraulic action slow and cause heat. Replace hoses which show signs of wear, damage, or weather-cracked rubber.CAUTIONWhen making repairs on hydraulic system keep allparts clean and remove all dirt from the area beforeyou begin disassembly. Use caps and plugs tokeep dirt out of tubelines and openings.PIPE THREAD SEALERThe main causes of air being introduced into a hydraulic system are loose connections and fittings. This not onlycreates aeration in the fluid but also provides the risk of contamination entering the fluid and components with the air.The easiest way to effectively reduce and possibly eliminate this problem is to use an adequate pipe thread sealer atall connections and fittings.While other pipe thread sealers may meet specifications, the methods which Barko uses are Teflon tape, and LocktiteTeflon Thread Sealer.The sealer will form a flexible, non-hardening seal that can be easily broken at any time without stripping the threads ordamaging the pipes or fittings. It will also provide a non-shrinking bond that will inhibit rust or corrosion in the threadsand will not gall, seize, or block the threads.APPLICATIONThe pipe thread sealer is intended for use on threaded steel pipe in fixed installations. It can be easily applied by thetube it comes in. This sealer is intended for use with petroleum fluids only. Apply sealer sparingly and leave the firsttwo threads near the end of the pipe or fitting bare.Barko recommends the use of pipe thread sealer on all exterior pipe plug threads and pipe fittings.HYDRAULIC FITTINGS, HOSES & TUBING |
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