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TM 9-2815-202-34 c.   Cleaning/Inspection (1) (2) (3) (4) •      Dry  cleaning  solvent  P-D-680  is  toxic  and  flammable.  Wear  protective  goggles and gloves and use in a well-ventilated area. Avoid contact with skin, eyes, and clothes. Do not breathe vapors. Do not use near open flame or excessive heat. The flash point is 100-138°F (38-50°C). If you become dizzy while using cleaning solvent, get fresh air immediately and seek medical aid. If contact with eyes is made, wash with water and get medical aid immediate y. 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.) Clean air inlet housing and valve with cleaning solvent and dry with compressed  air. Inspect  air  inlet  housing  for  cracks, warpage, scoring or other damage. Check by-pass valve  for scores or ring groove damage. Replace any valve severely scored or damaged. Check ring for chips or scoring. Replace any ring chipped, scored or severely damaged. d.  Assembly (1) (2) (3) Install ring (18) in groove of by-pass valve (11). Lubricate by-pass valve, ring and by-pass valve bore with engine oil. Secure one side of air inlet housing (5), in soft-jawed vise, with valve bore facing upward. Use a piston ring compressor (19) to compress ring (18) on by-pass valve assembly (11). Install valve, with ring side facing up, in bore of air inlet housing (5) by lightly tapping valve with handle end of hammer. Change  1 5-89


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