Case 450 Dozer

Ness

New User
Hi
Rolled a track off, worked at trying to get it back on - finals drives were still working, came back a few days later- got track in position to roll it back on- started it up and have no drive.

Drive shaft is turning both in high and low, wont work in forward or reverse -
one brake will work if you pump it - have tapped around trans contol valve.

Neither gauge shows any pressure.

Trans fluid is 1/4" from full mark.

Sitting with rear a bit down hill.

No visible leaks.

Two lines running from trans control to very back of dozer - one was a bit loose.

Any Ideas?

Were should I check for suction leaks?
 
That sounds as if the pump has lost its prime,if yours has the pump on the right side of the engine take off the suction hose (the one with the worm clip) pour some oil into it and the pump,put it back on again and start up,keep the engine speed low and watch the gauge,if it show pressure you probably have drive,go head and finish the track,then have a look at the lines,the suction filter and any breathers on the transmission reservoir that could be blocked and causing a vacuum,if it does not show pressure you need to find out why and sort it.
AJ
 

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