TM 1-1500 204-23-2Figure 4-111. Double-Action Hand PumpWARNINGDrycleaning solvent is flammable and solvent vapors are toxic. Use P-D-680, Type II Solvent in a well-ventilated area. Keep away from open flames. Avoid prolonged solvent contact with skin.CAUTIONThe use of any alcohol in cleaning components which contact hydraulic fluids is prohibited. Formation of apolymeric residue can result which could impair mechanical operation of the component.(a)Disassembly.Carefully disassemble the pump and thoroughly clean all parts withdrycleaning solvent, Federal Specification P-D-680. Dry with clean, dry compressed air.(b)Inspection. Inspect all parts for nicks, cracks, scratches, and corrosion. Inspectthreaded surfaces for damaged threads and piston shaft and springs for distortion. Check the valve poppets for properseat.(c)Reassembly.Replace all non-repairable parts and natural or synthetic rubber items,such as O-rings or packings. Remove minor scratching or corrosion by polishing with crocus cloth. If necessary, cleaninternal and external threads with the appropriate size tap or die Coat all internal parts with the appropriate type hydraulicfluid prior to assembly.4-118
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