Hi, Folks.
Some possibly useful videos about Cat maintenance:



Parts 1 - 4 - 933C steering clutch and brake:

             

    

Cat D7E DD master clutch adjustment:



Cat D6B Master clutch brake adjustment - I suspect that this man is adjusting the wrong rod in this video. I think he should be adjusting the vertical rod that sometimes appears in the bottom right corner of the frame in some of the shots - no doubt someone will correct me if I am wrong:



Cat D4 7U steering clutch and bevel gear installation, courtesy of Pacific Northwest Hillbilly:



Just my 0.02.