TM 9-2320-209-20-3-1 b. Replacement. WARNING Dry cleaning solvent is flammable. Do not use near an open flame. Keep a fire extinguisher nearby when sol- vent is used. Use only in w en-ventilated places. Fail- ure to do this may result in injury to personnel and damage to equipment. 1. Using solvent, clean air breather valve (1). Let valve dry. 2. Using 7/16-inch wrench, screw in and tighten air breather valve (1) into axle housing (2). END OF TASK I 12-5/(12-6 blank)