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Caterpillar 615 scraper
- Thread starter sonia
- Start date
Mark250
Senior Member
- Joined
- Aug 30, 2015
- Messages
- 1,243
- Location
- victoria,Australia
- Occupation
- heavy equipment technician
serial number please. different systems between machines
Hyd pilot control
Electric over/ hyd control
mark
Hyd pilot control
Electric over/ hyd control
mark
Mark250
Senior Member
- Joined
- Aug 30, 2015
- Messages
- 1,243
- Location
- victoria,Australia
- Occupation
- heavy equipment technician
a couple of questions and quick checks to start with
with engine off is the cushion hitch lever hard to pull up and when let go ,returns to original position?
with engine running does the cushion hitch lever stay in the raised position? this will indicate that the pump is supplying oil to the valve (rough check only)
check that the levelling valve linkage is connected to the axle and that the clevis pin holes aren't flogged out
if this is ok remove linkage from valve by removing clevis pin and operate by hand. it should lock in defined positions and not bind (the detent ball assembly is known to wear and jam up the level valve stem also the retainer bolt in the end of the stem comes loose
Mark
with engine off is the cushion hitch lever hard to pull up and when let go ,returns to original position?
with engine running does the cushion hitch lever stay in the raised position? this will indicate that the pump is supplying oil to the valve (rough check only)
check that the levelling valve linkage is connected to the axle and that the clevis pin holes aren't flogged out
if this is ok remove linkage from valve by removing clevis pin and operate by hand. it should lock in defined positions and not bind (the detent ball assembly is known to wear and jam up the level valve stem also the retainer bolt in the end of the stem comes loose
Mark
Mark250
Senior Member
- Joined
- Aug 30, 2015
- Messages
- 1,243
- Location
- victoria,Australia
- Occupation
- heavy equipment technician
Hi, how did you go with the cushion hitch. do you need more info?
Mark
Mark
Gday Mark just wanted to let you know that the new pump fixed the problem. Thanks for your input and advice much appreciated. Hope to work with you on problems in future, it's good to have someone with knowledge on your side. Cheers DarrenHi Mark we presure tested the pump and put a flow meter on as well and have no pressure and no flow. Have a new pump on order hope that fixes the problem. Thanks Darren.