TM 5-3805-262-34CLEANING AND INSPECTIONDry cleaning solvent P-D-680 used to cleanWear protective goggles and gloves andparts is toxic and flammable.use only in a well ventilatedarea. Avoid contact with skin, eyes and clothes and don-t breathevapors. Do not use near open flame or excessive heat and don’t smokewhen using it. Failure to do so could cause serious injury. If you be-come dizzy while using cleaning solvent, get fresh air and medicalattention immediately. If contact with skin or clothes is made, flushwith large amounts of water.If contact with eyes is made, wash eyeswith water and get medical aid immediately.(1)(2)(3)(4)(5)(6)(7)Clean all parts using cleaning solvent P-D-680. Dry using clean cloths.Inspect control valve body for cracks, breaks, or other damage. Inspectcontrol valve bore for grooves, deep scratches, or other visible wear.Replace entire control valve if control valve body requires replacement.Check that free length of spring (10) is 0.840 inch. Use spring gage andcheck that force required to compress spring to 0.815 inch is 4 to 6pounds. Check that force required to compress spring to 0.680 inch is25.5 to 28.5 pounds. Replace spring if free length or force required tocompress it is not as specified above.Check that free length of spring (13) is 2.28 inches. Use spring gage andcheck that force required to compress spring to 1.375 inches is 18 to 22pounds. Check that force required to compress spring to 1.125 inches is23 to 28 pounds. Replace spring if free length or force required to com-press it is not as specified above.Inspect plunger seat (12), poppet (14), and valve sleeve (20) for burrs,cracks, chipping, or other damage. Replace as necessary.Inspect valve seat (17) for burrs, cracks, chipping, or other damage.Check shoulders for chipped areas. Replace as necessary.Inspect remaining parts for cracks, breaks, deformation, distortion, ordamaged or stripped threads.3-691
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
