TM 5-3895-374-24-23-18Hydraulic Leveling SystemThe hydraulic levelling systems on the trailers of the Asphalt Mixing Plant are basic units with couplings to connect to thehydraulic power pack, flow dividers, hoses to the hydraulic levelling jacks, and hydraulic levelling jacks in four locations onthe chassis. The following chart indicates which trailers have hydraulic levelling jacks and the relevant figure number torefer to.TrailerFigure NumberFour Bin Feeder3-87Drum Mixer3-87Surge Bin3-88Baghouse3-87Dedrummer/Melter3-87Asphalt Tanker3-873-18-1Hydraulic CylinderRepair and Re-assembly. See figure 3-89.A.Disassembly1.Remove hydraulic cylinder from the installation. Disconnect hose lines and cap hose ports to prevent both loss ofoil and contamination from entering the system. Drain the oil from the cylinder.2.Clean complete exterior of cylinder of all loose dirt and oil.3.Using suitable face spanner wrench remove the cylinder head. If the cylinder head does not turn easily do notforce it causing damage. The exterior of the cylinder tube may have to be heated around the thread area to freethe cylinder head.4.Withdraw the cylinder shaft with piston from the tube.page 3 - 1385
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