HYDRAULIC  SYSTEM  TROUBLESHOOTING  AND 12-15. Fork  Position  Cylinders  (S/N TM 10-3930-643-34 MAINTENANCE.  (cont) 2000 and below). (Sheet 6 of 10) CLEANING/INSPECTION l TOXIC/FLAMMABLE Dry  cleaning  solvent  P-D-680,  used for cleaning parts, is toxic and flammable.  Use  only  in  well ventilated areas. Wear protective goggles and gloves. Do not smoke or allow open flames or sparks in areas where cleaning solvent is used or stored. Avoid contact with eyes, skin or clothing. If contact with eyes is made, flush with cold water and seek q edical attention  immediately. If contact with skin or clothing is made, flush with cold water. If  you become  dizzy  while  using  cleaning solvent, get fresh air immediately. l COMPRESSED AIR HAZARD Compressed air used for cleaning purposes will not exceed 30 psi. Use  only with effective chip guarding and personal protective equipment  (goggles/shield,  gloves, etc.). 24. Clean all parts with cleaning solvent P-D-680. Dry thoroughly with compressed air. Refer to paragraph 2-8. 25. Inspect rod (37) and inside of cylinder shell (24) for scratches, grooves, or burrs. Small burrs and shallow scratches can be polished out with fine emery cloth and oil. 26. Inspect piston half (26), piston half (27), rod (37) and cylinder shell (24). Replace items which cannot be repaired and items with scoring, scratches or burrs. Go to sheet 7 12-137

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