Detroit Diesel — Checking nozzle alignment:
A Detroit Diesel service procedure — check it applies to your exact model before use.
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Procedure
- 1. Install engine barring tool J-46392 or J-46167.
- 2. Rotate crankshaft while inspecting nozzle.
- 3. As piston reaches BDC check the alignment of the nozzle to the piston. The nozzle tip will enter the oil galley in the piston. (See Figure 2).
- 4. Continue checking remaining cylinders.
Source: manual:05ts55Rev2.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.