TM   10-3930-638-24&P 3-24. STEERING SYSTEM MAINTENANCE (cont) b. Steering Gear (cont). STEP LOCATION ITEM ACTION REMARKS DISASSEMBLY   (cont) 9 (cont) CLEANING 10 INSPECTION 11 e. Two O-rings (38) Remove  and discard f. Balls (39,36 and Remove 40) g.  Needle  roller  (41) Remove and  spring  (42) WARNING Dry cleaning solvent (P-D-680), used to clean parts is toxic and flammable.  Wear  protective  goggles  and  gloves  and  use  only  in  a well ventilated area. Avoid contact with skin, eyes, and clothes and don’t breathe vapors. Do not use near open flame or exces- sive heat and don’t smoke when using it. Failure to do so could cause serious injury. If you become dizzy while using cleaning solvent, get fresh air immediately, and get medical attention. If contact with skin or clothes is made, flush with large amounts of water. If contact with eyes is made, wash eyes with water immedi- ately,  and  obtain  medical  aid  immediately. WARNING Wear safety glasses when drying parts with compressed air. Fail- ure to do so could cause serious injury to eyes and possible blind- ness. If you hurt your eyes or if a foreign object is blown into your eyes, seek medical attention immediately. All parts Clean Use cleaning solvent P-D-680. Dry thor- oughly with moisture free compressed air NOTE Do not use cloths to dry internal parts. Spring  washer  (25) Inspect Replace if thickness is less than 0.140 inch as shown, or if cracked or distorted 3-167