Quantcast c.  Cleaning - TM-9-2815-225-34P_431

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TM 9-2815-225-34&P 3-59.  FUEL GEAR PUMP REPAIR (Contd) LOCATION/ITEM ACTION REMARKS c.  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. 8.   Fuel gear pump assembly Clean with SD-3 solvent and Refer to para. 3-6 for additional (7) and all mounting dry with compressed air. cleaning instructions. hardware d.  Inspection 9.   Idler shaft (12) and drive a.  Check for scoring, wear, and If bearing sleeves (15) are worn or shaft (17) other damage. damaged, remove gears (11) and discard shaft (12) or (17) and bear- ing sleeves (15). b.  Using suitable micrometer, If bearing sleeves (15) are not measure outside diameter. within 0.4998-0.5001 in. (12.695- 12.703 mm), discard shaft (12) or (17) and bearing sleeves (15). 10.     Two gears (11) a.  Inspect for scoring, wear, and Remove and discard if damaged other damage. or worn. b.  Using suitable micrometer, Remove and discard if width is measure width (see illustration). not within 0.7483 and 0.7486 in. (19.007 and 19.014 mm). 11.     Gear cover (9) and gear a.  Inspect for scoring, wear, and Discard fuel gear pump body (13) other damage. assembly (7) if scored, damaged, or worn. b.  Using suitable micrometer, Discard fuel gear pump measure gear pocket depth in assembly (7) if gear pocket depth gear body (13). is not within 0.7478 and 0.7481 in. (18.994 and 19.002 mm). c.  Using suitable micrometer, Discard fuel gear pump measure shaft bores in gear assembly (7) if any shaft bore cover (9) and gear body (13). measurements are not within 0.5011 and 0.5016 in. (12.728 and 12.741 mm). d.  Check lubrication holes in gear Lubrication holes must be clean. cover (9) and gear body (13). 12.     All other parts Inspect for cracks, breaks, and Discard any damaged parts. other damage. 3-400


 


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