Cab heater core

I worked on a truck this week that I brought into the shop it had coolant leaking on to the fuel tanks. I investigated that and it was heater core for the sleeper. I have done the main heater core job before so this was easy. I took the heater core out of the cab and making sure I kept my work area clean because I was working in a cab that a driver called home. The job took about two hours and went smoothly. Here are some pictures.....

Also in school I have been learning a lot about wheel end adjustments and hub lock but adjusting. Also s cam wear. I have done all these things but now I have a reference or a nation wide standard. For example with a dail indicator you can measure how tight your lock nut is supposed to be between 1-5. I have a lot more research to do on s cams which I will post about in the next blog. I am hoping to be able to use all these standards at my work place if possible. Here is a picture of my teacher teaching us how to use the dail indicator....