Quantcast b.  Cleaning - TM-9-2815-225-34P_461

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TM 9-2815-225-34&P 3-62.  FUEL PUMP MAIN HOUSING REPAIR (Contd) LOCATION/ITEM ACTION REMARKS a.  Disassembly (Contd) 24. Governor plunger assembly Remove from housing (38). (33), shims (34), and torque spring (56) (assembled) 25. Torque spring (56) and Remove from governor plunger It may be necessary to twist shims (34) assembly (33), spacer (35), and spring (56) off plunger (36) to driver (37). remove it.  Do not pull spring off. Pulling spring will expand it beyond its elastic limit, requiring its replacement. 26. Five pipe plugs (22) Remove from housing (38). and (57) 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. 27. All parts Clean with SD-3 solvent and Refer to para. 3-6 for additional dry with compressed air. cleaning instructions. c.  Inspection and Repair 28. Tachometer drive bushing a.  Inspect for scoring, burrs, and Replace bushing (43) if damaged (43) other damage. (refer to step 28b.1 for replacement). b.  Using suitable micrometer, Replace bushing (43) if inside measure inside diameter. diameter is more than 0.7525 in. (19.114 mm) (refer to step 28b.1 for replacement). Replace bushing (43) as follows: Do this step only if bushing (43) is damaged or worn beyond limits. (1) Remove bushing (43).   Using 1/2 in. pipe tap, put a thread in bushing (43).  Install punch through rear of housing (38) until it is against pipe tap. Hit punch and remove bushing (43). (2) Apply a thin coat of high- pressure lubricant to new bushing (43). (3) Using arbor press, drive Bushing (43) must be even with bushing (43) into housing (38). housing bore. 3-430


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