teched Posted August 3, 2020 Share Posted August 3, 2020 This is not my truck, but it looks like the "can" on my truck. Looks kind of like air brakes but could it be hydraulic? Quote Link to comment https://www.bigmacktrucks.com/topic/63584-air-or-juice/ Share on other sites More sharing options...
mowerman Posted August 3, 2020 Share Posted August 3, 2020 Looks to me like wedge brakes—air . Bob Quote Link to comment https://www.bigmacktrucks.com/topic/63584-air-or-juice/#findComment-457555 Share on other sites More sharing options...
mackaholic Posted August 3, 2020 Share Posted August 3, 2020 Not hydraulic, definitely early s-cam air brakes. With Wedge brakes the air pot bolts right to the backing plate. None of the operating mechanism is visible. 2 Quote Link to comment https://www.bigmacktrucks.com/topic/63584-air-or-juice/#findComment-457558 Share on other sites More sharing options...
teched Posted August 3, 2020 Author Share Posted August 3, 2020 Hopefully that won't cause me too much grief getting her out of her tomb. Quote Link to comment https://www.bigmacktrucks.com/topic/63584-air-or-juice/#findComment-457575 Share on other sites More sharing options...
mackaholic Posted August 3, 2020 Share Posted August 3, 2020 Those don't have spring brakes so the shoes might not be stuck to the drums, maybe. Back off the slack adjusters and see what happens! If they are stuck and you can get the slack adjusters backed off sometimes you can break the stuck shoes loose by hammering on the drums. Might need to use a large drift punch to get to them. Best of luck! Quote Link to comment https://www.bigmacktrucks.com/topic/63584-air-or-juice/#findComment-457578 Share on other sites More sharing options...
mrgumby Posted August 3, 2020 Share Posted August 3, 2020 Look to see if it has a parking brake lever in the cab make sure that’s off Quote Link to comment https://www.bigmacktrucks.com/topic/63584-air-or-juice/#findComment-457579 Share on other sites More sharing options...
carlotpilot Posted August 3, 2020 Share Posted August 3, 2020 4 hours ago, mowerman said: Looks to me like wedge brakes—air . Bob clean your glasses bob 1 Quote Link to comment https://www.bigmacktrucks.com/topic/63584-air-or-juice/#findComment-457581 Share on other sites More sharing options...
teched Posted August 4, 2020 Author Share Posted August 4, 2020 I believe they dragged it to its resting place with a tractor... So maybe it will roll. By the size of the tree I say she's been sitting for 20 years or so. Quote Link to comment https://www.bigmacktrucks.com/topic/63584-air-or-juice/#findComment-457593 Share on other sites More sharing options...
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