Quantcast (6.5L)  FUEL  INJECTION  PUMP  (DB2831-5149)  CALIBRATION

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TM 9-2815-237-34 2-35.  (6.5L)  FUEL  INJECTION  PUMP  (DB2831-5149)  CALIBRATION This  task  covers: a. Test Bench Requirements c. Injection Pump Check (Prior to Service) b. Injection Pump Information d. Injection Pump Settings (Following Pump Repair) INITIAL   SETUP: Tools Manual  References General  mechanic’s  tool  kit: TM 9-2815-237-34P automotive (Appendix E, Item 1) Test  Equipment Special  Tools Digital   tachometer Roller-to-roller   setting   tool (Appendix E, Item 45) Voltage source (variable) Pressure  gauge  (0-160  psi,  1  psi  increments) Linkage gap tool (Appendix E, Item 49) Pressure  gauge  (0-30  psi) Automatic  advance  indicator (Appendix E, Item 50) Vacuum gauge (0-30 in. Hg) Flowmeter  with  three-way  valve Throttle lever gauge (Appendix E, Item 51) Temperature gauge (0°-250°F) Protractor (Appendix E, Item 52) Zero-backlash   coupling   device Air timing gauge (Appendix E, Item 53) Calibrating  nozzles  and  lines Holding fixture (Appendix E, Item 46) Orifice  13211 Torx drive (Appendix E, Item 42) Calibration   stand Materials/Parts Calibrating fluid (Appendix B, Item 4) Sealing compound (Appendix B, Item 19) NOTE The following calibration procedure applies to 6.5L fuel injection pumps.  Refer  to  para.  2-34  for  calibration  on  1990  6.2L  and  above pumps  and  para.  2-33  for  pre-1990  6.2L  pumps. a. Test Bench Requirements The fuel injection pump requires a test bench capable of at least 2,250 rpm shaft speed. The test bench must  be  equipped  with  the  following  items: (a)  A  zero-backlash  coupling  device. (b)  A  digital  tachometer. (c) A variable voltage source. (d) Test gauges: (1) 0-160 psi (0-1103 kPa) pressure gauge calibration 1 psi increments to meaure transfer pump pressure. This gauge should be located as close as possible to the pump, with an in-line shutoff (2) (3) (4) (5) valve  located  at  the  pump. 0-30 psi (0-206.9 kPa) pressure gauge to measure housing pressure. 0-30 in. Hg (0-101.3 kPa) vacuum gauge to measure transfer pump lift. This gauge should be in the  supply  line  to  the  pump,  with  a  shutoff  valve  between  the  gauge  and  the  oil  source. A flowmeter for measuring return oil should be used with a three-way valve to permit the flowmeter  to  be  in  use  only  during  the  return  oil  check. 0°-250°F (-17.8°-121.1°C) temperature gauge, located at the pump inlet, to monitor inlet temperature. 2-136


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