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Cummins — Procedure 11

For these Cummins models: GTA38, GTA38, GTA50, GTA50.

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Procedure

  1. 1. Disconnect battery ground cable from engine to pre-
  2. vent starting of the engine.
  3. 2. Drain all coolant from the aftercooler cooling system.
  4. . Disconnect both the pressure line and the suction
  5. line from the auxillary aftercooler water pump.
  6. . Remove both inlet and outlet fittings.
  7. . Loosen and remove the 4 mounting bolts and nuts.
  8. . Remove the drive belt.
  9. . Remove the auxiliary aftercooler drive pulley from
  10. the pump.
  11. . Install a new pump.
  12. install the 4 mounting bolts and nuts and do not
  13. tighten at this time.
  14. 10. Install the inlet and out let fittings. Use a thread
  15. sealant on the pipe threads.

Source: manual:Cummins Gas GTA38-50 Manual 1999 (2).pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.