TM  10-3930-643-34 BRAKE  TROUBLESHOOTING  AND 8-13. Treadle  Valve  (S/N MAINTENANCE.  (cont) 2001 and above). (Sheet 5 of 8) 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 all parts. Refer to para- graph 2-9. Go to sheet 6 8-58