TM 9-2320-209-20-3-2 c. Cleaning. NOTE This task is for both inner and outer wheel bearing cones. 1. 2. WARNING Dry cleaning solvent is flammable. Do not use near an open flame. Keep a fire extinguisher nearby when solvent is used. Use only in well-ventilated places. Failure to do this may result in injury to personnel and damage to equipment. NOTE All old lubricant must be taken off bearing during cleaning. Soak bearing as long as needed to take off all old lubricant. Soak bearing cone (1) in solvent. Rinse bearing cone (1) in clean solvent. WARNING Do not dry bearing with compressed air. Spinning bearings may explode and cause serious injury to personnel. Let bearing cone (1) air dry. Using clean rags, wipe all old grease from inside hub (2). 3. 4. END OF TASK 14-74