vision386 Posted April 30, 2011 Share Posted April 30, 2011 I have a neighbor who has a 1977 Kenworth W-model conventional,400 big cam cummins,13 speed road-ranger he uses the truck as a septic tank pumper. Came to me with a question maybe someone on here can answer,the truck was originally equipped with a Kysor shut-down system,(low coolant,high temp.low air pressure) problem is that the red light works,but not the buzzer (we have concluded it is the buzzer thats defective) is this something that replacement parts are available for? this buzzer makes an OBNOXIOUS noise when working,and when the truck starts,once air pressues is built up it goes off. He is looking to keep the truck as close to original as possible,as it belonged to his father,i told him i'd see if anyone on here could point him in the right direction............Mark Quote Mack Truck literate. Computer illiterate. Link to comment Share on other sites More sharing options...
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