Cat 307

[ajackson]

Hi folks im wondering if someone could help with a problem im having with my 307 cat

i have one track that runs slower than the other shes had this problem for a while now but didnt really bother me till now as im doing alot of tracking

im hoping i can adjust this at the pump or somewhere ive renewed the final drive oils but made no difference

hope someone can help cheers alan

 

[bobin35]

my guess is the hydraulic rotary connection seals are bad,how bad does it misstrack?

 

[Underdog]

I have a Cat 305CR. One track was a lot weaker, slower. It was the adjusting screw under the travel handle. Where the handle bolts to the track valve on the floor, unbolt the handle, remove. there is a Allen stud inside a jam nut, adjust accordingly.
NOW your machine may be different but Everyone told me I needed a new travel motor as it was worn out, BS.

 

[ajackson]

hey guys thanks for the quick reply

she tracks very badly forward and just a little better backwards it has had this fault for years but as i said i just put up with it

about 8 months ago i had to replace the final drive unit on the side that is slow because the gearing broke up due to a seized bearing and i hoped that that was the fault but the new one just tracks at the same speed

bobin where might i find the rotary connection seals so i can check them

and underdog thanks ill need to check the travel valves are the allen screws would i be able to get to them by removing the guard under the cab

cheers again guys

 

[bobin35]

they are in the center of the machine they connect the hoses from the upper to the carbody

 

[willie59]

One must always check the drive lever controls first. More than once I have seen dirt build up under the components of the drive lever valves and limit their movement.

One question I have, the drive that is slower, does it still have good power? Can you still turn the machine from dead still using that track?