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Home›Repair guides›K50 Standard 1R-1L-BR-3L-7R-7L-5R-5L-8R-8L-6R-6L-2R-2L-4R-4L

Cummins — K50 Standard 1R-1L-BR-3L-7R-7L-5R-5L-8R-8L-6R-6L-2R-2L-4R-4L

For these Cummins models: K38, K50.

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Procedure

  1. 2. Cylinders are numbered from the front gear cover end of the engine. To determine the right and left banks on
  2. 3. Two crankshaft revolutions are required to adjust all of the valves and the injectors.
  3. 4. Each cylinder has three rocker levers. On the left bank (fuel pump side of the engine), the lever nearest to the
  4. 5. One pair of valves and one injector are adjusted at each pulley index mark before rotating the engine to the next
  5. 6. There are two methods for adjusting the injectors on K38 and K50 engines. Ifthe engine has STC (Stepped Timing

Source: manual:Cummins_Diesel_K38-50_Manual 1993 (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.