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OK guys I moved the truck indoors this afternoon and aired up the system with shop air and started checking check valves and was going to check elbows I made it to the first check valve between the primary tanks and when the pressure got up enough to start filling the second tank I didnt get...

Hey folks I just wanted to up date you on where I am at with my 977 and my NOT enough air issue. Well this evening I fired up the truck and the emergency air pressure came up to full pressure within a couple minutes, normal right. Well it took about 20 minutes at least for the service side to...

Hey guys just and FYI but like DK said his 977 is of the 3 tank variety and that is the same as mine, I appreciate very much all your input on this subject and I will hopefully get crackin on this project tomorrow! One last question guys, I know with 4 axles and 8 dual chamber brake diaphragms...

dk I would have to crawl under and have a look to be sure, if it doesn't I wonder how hard it would be to find this upgrade kit? And mine is just like yours driving on the road all is wonderful bet get in town and it sure seems to rebuild pressure slow? DK I am sure these compressors have...

Hello Folks I find myself in a position to request some ideas as to why my 977 is not keeping up with my very miserly air demands? Here is some back ground. I bought the truck and all seems to be great, really do love driving this vehicle a lot! But after driving it for a few weeks I found...