Quantcast b.  Cleaning - TM-9-2815-225-34P_351

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TM 9-2815-225-34&P 3-51.  AIR COMPRESSOR REPAIR (Contd) LOCATION/ITEM ACTION REMARKS a.  Disassembly (Contd) 21. Piston (29) Remove from connecting rod (34). CAUTION Be very careful not to score or scratch piston when removing rings.  Scoring and scratching can cause damage to piston. 22. Three rings (26), (27), and (28) Remove from piston (29). Discard rings (26), (27), and (28). b.  Cleaning WARNING   Compressed air used for cleaning purposes will not exceed 30  psi  (207  kPa).    Use  only with effective chip guarding and protective equipment such as goggles or shield, gloves, etc.  Failure to comply may result in injury to personnel.   Approved solvents may be flammable and will not be used near open flame.  Use only in well-ventilated area.  Failure to comply may result in injury to personnel. 23. Cover (22) and cylinder a.  Immerse in SD-3 solvent to head (24) remove carbon and scale. b.  Remove carbon from valve cavities, and remove rust and scale from water cavities. c.  Blow dry with compressed air. WARNING Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa).  Use only with effective  chip  guarding  and  protective  equipment  such  as  goggles  or  shield,  gloves,  etc. Failure to comply may result in injury to personnel. 24. Crankshaft (43) a.  Unscrew and take out pipe plug (42). b.  Using SD-3 solvent, thoroughly clean oil drilling and blow dry with compressed air. c.  Screw in pipe plug (42). 25. All other parts Clean in SD-3 solvent and blow Ensure all gasket surfaces dry with compressed air. are clean and smooth. c.  Inspection and Repair 26. All parts Inspect for cracks, breaks, Discard any damaged parts. and other damage. 27. Cylinder head (24) and Inspect mating surfaces for Discard if damaged.  Do not grind cover (22) scratches, scoring, and other top surface of cylinder head (24). damage. Top surface is contoured and grinding will cause cylinder head (24) to leak. 28. Seat(14) Using suitable micrometer, Discard if height is less than measure height of seating area. 0.485 in.  (12.319 mm). 3-320


 


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