Cummins — .All adjustments for excess Oxygen are to be made

For these Cummins models: GTA14, GTA14 qi 20 NA.

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Procedure

1. 1. Apply liquid soap around the regulator to check for
2. 2. Check for leaks at all line connections by applying liq-
3. 3. On CNGE turbocharged engine models, check the throt-
4. 1. Loosen the lock nut that secures the idler pulley to the
5. 2. Turn the adjusting screw to adjust the v-ribbed belt
6. 3. Rotate the crankshaft one revolution to allow the belt
7. 4. Secure the idler pulley in position by tightening the
8. 1. Fixed number of hours or calendar time, whichever
9. 2. Utilization of a detailed oil analysis program.
10. 1. Operate the engine until the water temperature

Source: manual:Cummins Gas GTA14 Manual 1998 (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.