|
|
4 XF ENGINE FUEL SYSTEM Inspection and adjustment 95 XF series 3-8 3.4 INSPECTION OF INJECTOR OPERATION Fuel or test fluid discharged by an Evaluating the spray pattern, spray angle, and 1. Place the injector on an injector tester. 2. First allow the injector to inject a number of 3. Check the injector for: opening pressure - leaks - nozzle holes. Opening pressure Check the opening pressure by slowly Leaks Dry the nozzle immediately after the final 2. Increase the pressure to the opening Nozzle holes Quickly build up pressure in the injector and 2 © 0008 |