Quantcast c.  Cleaning - TM-9-2815-225-34P_421

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TM 9-2815-225-34&P 3-57.  SOLENOID VALVE REPAIR (Contd) LOCATION/ITEM ACTION REMARKS c.  Cleaning 6.  Electrical solenoid (6) Wipe clean with lint-free cloth.   Do not use solvent. 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. 7.   All parts except electrical Clean with SD-3 solvent and Refer to para. 3-6 for additional solenoid (6) dry with compressed air. cleaning instructions. d.  Inspection 8.   All parts Inspect for cracks, breaks, Discard any parts that are excessive wear, and other damage.   damaged or worn. 9.   Valve body (14) a.  Inspect valve seat for wear, Discard if damaged or worn. bonding separation, failure, and corrosion. b.  Using suitable micrometer, Discard valve body if width of measure width of valve seat. valve seat is less than 0.015 in. (0.381 mm). 10.     Electrical solenoid (6) Using multimeter, check Discard electrical solenoid resistance between long terminal if resistance is not within and base. 28-32 ohms. e.  Assembly 11.     New O-ring seal (11) Install on shutoff valve shaft (12).   Apply a light coat of lubricating oil on O-ring seal (11) at installa- tion. 12.     Shutoff valve shaft (12) a.  Turn in valve body (14) until it reaches bottom of bore. b.  Using depth micrometer set at Distance should be 0.118 in. 0.118 in. (2.997 mm), check distance (2.997 mm).  If necessary, back out from face of valve body (14) to tip of shutoff valve shaft (12) until it is shutoff valve shaft (12).   0.118 in. (2.997 mm) below valve body (14) face. c.  Without moving shutoff valve, Shutoff valve knob (15) acts as a press on shutoff valve knob (15). stop. 13.     Valve disk (10) Place in valve body (14) with rubber side toward valve body (14). 14.     New rectangular ring Coat with lubricating oil and seal (8) seat in groove on valve body (14). 3-390


 


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