old tom

to adjust air pressure control governor you need 7//16 wrench and a screw driver remove top plastic cover if fitted and loosen off lock nut now screw in to lower pressure and out to raise the unloader cut out pressure

they must breed there same drivers all over try getting 1&1/2 a round a corner never mind 3&1/2 gov transport make you put nice size on rear of trailers but car drivers do not no wot they mean so try not to run them over too much in the land of aust;

David b61 the valve on your dash should be the wet/dry valve too turn off the brakes air supply for the front brakes (type pp-8 westinghouse but more like type tw-1 dial plate fitted markedDry road-slippery road pc/no,235461ordial[234841 bendix prnp]no the brake boosters you don,t say if there is maxi type or brake chambers with rototype spring chambers for parking two chambers per wheel,working on one slack adjuster

David b61 the valve on your dash should be the wet/dry valve too turn off the brakes air supply for the front brakes (type pp-8 westinghouse but more like type tw-1 dial plate fitted markedDry road-slippery road pc/no,235461ordial[234841 bendix prnp]no the brake boosters you don,t say if there is maxi type or brake chambers with rototype spring chambers for parking two chambers per wheel,working on one slack adjuster