TM  10-3930-638-24&P 3-30.   HYDRAULIC   LIFT   SYSTEM   MAINTENANCE   (cont)^- c. Sideshift Cylinder Assembly (cont). STEP LOCATION ITEM ACTION REMARKS DISASSEMBLY  (cont) 4 Gland a. Plug (20) Remove  only  if assembly (19) damaged b.  O-ring(21) Remove  and discard c. Back-up ring (22) Remove  and discard d.  Wiper  (23) Remove  and discard e. Seal (24) Remove  and discard CLEANING 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. 5 AH parts Clean Use cleaning solvent P-D-680; dry with compressed  air INSPECTION/REPAIR 6 Rod  (26) Inspect Replace if bent, deeply grooved, or scored. Remove  nicks  or  scratches  with  medium grit emery cloth polishing with a rotary motion 7 Replace if deeply grooved, scored or nicked, or damaged. Remove nicks or scratches inside cylinder with medium grit emery cloth polishing with a rotary motion Inspect Cylinder (27) 3-228