TM 9-2320-209-34-2-2 c. Cleaning. WARNING Dry cleaning solvent vapors can be harmful if inhaled. Work in well ventilated area. Dry cleaning solvent is flammable. Do not use near open flame. Keep fire extinguisher nearby. Dry cleaning solvent will dry and crack skin. Wear gloves when working with solvent. CAUTION Do not spin bearing at any time. Spinning will seriously damage bearings. After cleaning, keep bearings clean and dry. Dirt and moisture can damage bearings. NOTE All old lubricant must be taken off bearings dur- ing cleaning. Do soaking and clapping steps over as necessary to take off all old lubricant. (1) Using degreaser and solvent, soak bearing to loosen lubricant. (2) If lubricant is left on bearing after soaking, clap bearing against of hand to loosen lubricant. heel (3) Air dry bearing. 17-234