Al and son Posted Sunday at 07:10 PM Share Posted Sunday at 07:10 PM We got a new part for in the floor. Can't get the airlines to rethread on to the foot valve, at least not all at the same time. The floor piece doesn't want to go back in even though the old one slid right out. Yes, It's the right part. What am I missing? This really shouldn't be this difficult to put back together. This truck is really starting to get very annoying. Quote Link to comment https://www.bigmacktrucks.com/topic/75722-r-model-foot-brake-system/ Share on other sites More sharing options...
mowerman Posted 20 hours ago Share Posted 20 hours ago Sorry, I think we would have to see it to figure out what your problem is. I’m thinking you just got the lines bent in a different direction when you pulled it out. They’re probably copper lines and very hard to work with tubing has to be bent in the exact position to get re-threadedGood luck. Quote Link to comment https://www.bigmacktrucks.com/topic/75722-r-model-foot-brake-system/#findComment-578261 Share on other sites More sharing options...
mechohaulic Posted 20 hours ago Share Posted 20 hours ago if the small floor board section is what was being replaced, the treadle valve wouldn't need to be disconnected. just take out the three screws holding pedal to floor section. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/75722-r-model-foot-brake-system/#findComment-578263 Share on other sites More sharing options...
hicrop10 Posted 19 hours ago Share Posted 19 hours ago I did the same thing.Had to replace the treadle valve.Disconnect the airline take out treadle valve then do it in reverse order. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/75722-r-model-foot-brake-system/#findComment-578268 Share on other sites More sharing options...
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