Usage:
All Direct Injection 3300 Series Engines equipped with 7N8622 Air/Fuel Ratio Controls
- SUPPLEMENT: 05/18/81
SERVICE MAGAZINE, MARCH 23, 1981, PAGE 1. In the article, "6V2029 Fixture Group Available For Adjustment Of Air/Fuel Ratio Control," two changes are necessary.
...Change the subtitle to: "All Direct Injection 3300 Series Engines Equipped With 7N8622 Air/Fuel Ratio Controls."
...Change the first sentence to: "The 7N8622 Air/Fuel Ratio Control is used on some direct injection 3300 Series Engines equipped with scroll fuel systems.
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The air/fuel ratio control is used on direct injection 3300 Series Engines with scroll-type fuel systems. All of the air/fuel ratio controls are adjusted to the same setting at the factory.
The 6V2029 Fixture Group holds the air/fuel ratio control for adjustment on the Caterpillar Fuel Injection Test Bench.
The complete procedure for adjustment of the air/fuel ratio control will be available to add to the Fuel Injection Test Bench Book.
Illustration 1. The 6V2029 Fixture Group.
Illustration 2. The air/fuel ratio control installed in a 6V2029 Fixture Group on a Caterpillar Fuel Injection Test Bench.