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Crawlers, Dozers, Loaders & Backhoes Discussion Board

Re: Cat 3204 running rough


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Posted by RodInNS on March 29, 2013 at 19:51:33 from (216.118.158.123):

In Reply to: Cat 3204 running rough posted by Stick welding on March 29, 2013 at 17:19:35:

Transfer pump should be located between the engine oil filter and the oil cooler. You should need an 11/16" and 9/16" wrench and no more. IIRC, you'll see a larger line (mabey 7/16") with an elbow that feeds into the transfer pump. This line comes from the tank. Above this line will be the outlet line from the transfer pump and this feeds over to the main fuel filter on the left side of the engine. Basically... remove the larger line from the elbow. Then remove the smaller line above that goes to the filter. Then remove the elbow. There will be an o-ring on the elbow but it's common. Next you remove the longer hex piece... this is the screen. Also will have an o-ring... again, common. Now... if you didn't have a large flow of fuel when you removed that first line, trace it back to the tank and find out why. Otherwise, clean the screen and reassemble. Here is where the fun starts.... and you'll damn well learn to NOT do this again... Take the filter off and fill it. Remove the 3/4" hex bolt/bleeder on the TOP REAR of the injection pump. Now with the shutoff pushed forward/off, crank the engine until you get clear fuel from the bleeder and reinstall. THen... open the lines at the injectors and make sure you use two wrenches... one to hold the fixture and one to remove the compression nut... otherwise you twist the injector lines off inside. Now set the throttle to max delivery and crank. I probably wouldn't be too shy to pour some ether to it to help with the cranking. When you see some good blasts of fuel coming out at the injectors or on the drip rail that runs along the head... start closing them up and keep cranking.
I hope your batteries are good. If they're not, make her run on ether while bleeding or it will never get bled.

Rod


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