I'm working on a Cat D4H that has an unused tach shaft on the end of the injector pump, there is no cover. (3204 engine) I have seen a few posts mentioning a 1/16" plug for the vent on other Cat models, but no mention of this model with no cover.
I would replace the seal, but I bet the shaft is worn out.
Is there a cover available for this pump?
![20220512_164708a.jpg 20220512_164708a.jpg](https://www.heavyequipmentforums.com/data/attachments/243/243408-8fc8d61d8104bac9cfb466d08c674a43.jpg)
I would replace the seal, but I bet the shaft is worn out.
Is there a cover available for this pump?
![20220512_164708a.jpg 20220512_164708a.jpg](https://www.heavyequipmentforums.com/data/attachments/243/243408-8fc8d61d8104bac9cfb466d08c674a43.jpg)