TM 5-3805-262-343-12. AIR BRAKE SYSTEM MAINTENANCE (CONT)e. AirCompressorAssembly (Cont).(2) Cylinder Block and Crankcase (Cont).CLEANINGDry cleaning solvent P-D-680 used to clean parts is toxic and flammable.Wear protective goggles and gloves and 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.Compressed air used for cleaning purposes will not exceed 30 psi. Useonly with effective chip guarding and personal protective equipment(goggles/shield, gloves, etc). Failure to do so could cause seriousinjury to eyes and possible blindness.If you hurt your eyes or if aforeign object is blown into your eyes, seek medical attentionimmediately.(a) Clean bearing (26) by immersing in cleaning solvent P-D-680 and slowlymoving up and down. Remove bearing from cleaning solvent and strikeagainst a block of wood to dislodge solidified particles of lubricant.Immerse again in cleaning solvent and repeat above until bearing isclean. Dry using compressed air. Direct air stream across bearing toavoid spinning. Don’t spin bearing when drying; rotate bearing slowly byhand to facilitate drying. After drying bearing, lubricate using cleanlubricating oil. Keep bearing in a clean area.(b) Clean remaining parts using cleaning solvent P-D-680. Dry using com-pressed air or clean cloths.(c) Clear any obstructions from passages in cylinder block (2), crankcase(30), and crankshaft (27) using compressed air.(d) Clean gasket sealing surfaces on cylinder block (2), inlet port (5), endcover (20), bearing cap (23), and crankcase (30). If necessary, usescratch wire brush to remove all gasket residue from sealing surfaces.Clean using clean cloth moistened with cleaning solvent P-D-680.3-482
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