CAT D3B SERVICE MANUAL PDF FUNDAMENTALS EXPLAINED

I also have a 455D crawler loader/backhoe (1st cousin towards the 450C), HLR Powershift transmission with manual clutch. Just about every is about 25 years old and it has about 6000hrs.i just purchest a d3b & have the very same difficulty with theleft pedal sticking I'll try out oil to-morrow . I've a matter. can it be normal for any loud deisel kn