05-15-2017 04:36 PM
There is nothing inside of the tank to prevent the oil from coming out of the drain during the installation of the drain line. The recommendation is to pull a vacuum on the tank before installing the drain line to be safe. Another option is to drain it with a diaphragm pump from the top, get most of it out, and then pull the bottom plug - which will help get debris out the bottom hole. For further questions, please contact your local Cat dealer: http://www.cat.com/en_US/support/dealer-locator.html
05-05-2017 03:37 PM
The service manual says to remove the 1-1/4" plug and insert a pipe nipple to open the drain valve. Is there a valve inside the tank that opens when the pipe is screwed in? Or will I get an oil bath when I remove the plug?