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Last year I purchased an 820. The front loader hydraulics
last year I purchased an 820. The front loader hydraulics are slow and the pump is a little noisy. Just checking to see what may be the problem and what to do about it. The loader is off right now -- … read more
Bradey V
Bradey V
Certificate
Need to know how to replace hyd. pump drive shaft on l70d
need to know how to replace hyd. pump drive shaft on l70d volvo loader … read more
dieseldan55
dieseldan55
Mechanic
Vocational, Technical or Trade Scho
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I have a d4h that has oil getting into engine. I have
i have a d4h that has oil getting into engine. I have replaced seal in hyd pump but didn't fix. Can transmission pump seal let tran. oil into engine? ithas a wet flywheel I am told so can oil from tor… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
803 satisfied customers
Deere 310se no hyd presure. hyd pump replaced. reliev valves
john deere 310se no hyd presure. hyd pump replaced. reliev valves checked. service manual steps followed, but presure gauge on 0. … read more
Curtis B.
Curtis B.
Retired service manager
Associate Degree
3,486 satisfied customers
Cat 924G Loader lifts slow and falls down when control is
Cat 924G Loader lifts slow and falls down when control is put in auto up … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
9,337 satisfied customers
I'd 5503.loader stop working .Will only work if rear.outlet
I'd 5503.loader stop working .Will only work if rear.outlet level is engaged … read more
Curtis B.
Curtis B.
Retired service manager
Associate Degree
3,486 satisfied customers
I have air in my hd system in 2oo1 4835 gehl skid steer.
I have air in my hd system in 2oo1 4835 gehl skid steer … read more
Curtis B.
Curtis B.
Retired service manager
Associate Degree
3,486 satisfied customers
I have a CAT 247B Track loader. I had a clogged in line fuel
I have a CAT 247B Track loader. I had a clogged in line fuel filter that I changed and now I can not get fuel to prime by manually pumping. No fuel is getting from the tank to the new inline filter. S… read more
Curtis B.
Curtis B.
Retired service manager
Associate Degree
3,486 satisfied customers
I have a oil leak where trans bolts to engine.oil is coming
I have a oil leak where trans bolts to engine.oil is coming out of hole that has no bolt or treads it is a 450 series3 case … read more
Curtis B.
Curtis B.
Retired service manager
Associate Degree
3,486 satisfied customers
I have f130 pay loader when it gets down to zero degrees it
I have f130 pay loader when it gets down to zero degrees it don't want to move ahead or back. And leave it run too hour and half before trying to use it … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
9,337 satisfied customers
Have a altec aa:600 it worked super smooth. It has now
have a altec aa:600 it worked super smooth. It has now started jumping bad unless i use two functions at once. Looked in tank and the oil coming back is foaming bad. … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
9,337 satisfied customers
I have a doosan dl200. Engine overheating. I think my fan
I have a doosan dl200. Engine overheating. I think my fan isn't working properly. What is pump pressure suppose to be at fan valve manifold. And how can I check it? I have gauge but not sure if it's r… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
9,337 satisfied customers
I own a 1999 Kubota 420 loader,my question is,I am getting
I own a 1999 Kubota 420 loader,my question is,I am getting oil from my hyd/trans in my rear diff. There is significant transfer occuring. Recently removed pump attached to rear diff. and replaced seal… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
9,337 satisfied customers
on a John Deer 644-A loader the hydraulics for the loader stopped
on a John Deer 644-A loader the hydraulics for the loader stopped working and sounds like striped splines when loader lever is pulled. I drained hyd. tank removed the pumps from trans and see the spli… read more
JBFixxer
JBFixxer
Mechanic
Vocational, Technical or Trade Scho
20 satisfied customers
old cat(NNN) NNN-NNNNapprox (no letters) When I try to start the
old cat(NNN) NNN-NNNNapprox (no letters) When I try to start the digger the engine appears to be starting under load and will not start. I noticed the steering was moving the front wheels when startin… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,297 satisfied customers
i own a terex 644 telehandler . rough idle until i operate
i own a terex 644 telehandler . rough idle until i operate hydraulics (clears up ) . it feels like motor is under a load as soon as i operate hyd. the idle gets smooth again.i have checked the solenoi… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
9,337 satisfied customers
hi have a d2 cat, took off hydrolic levers to change o rings,
hi have a d2 cat, took off hydrolic levers to change o rings, put back on hydrolics wont lift loader, the line coming off the pump to the inlet of that controller will shoot hydrolic oil 100 to 150 fe… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,297 satisfied customers
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Wayne

Wayne

Journeyman

803 satisfied customers

worked on many road graders, Bull dozers , skid steers, Rollers

Cat Man

Cat Man

Cat Engine Expert

558 satisfied customers

I am ASE Master Certified.

dieseldan55

dieseldan55

Mechanic

294 satisfied customers

Road Mechanic for Volvo Construction Equipment.

Chris (aka- Moose)

Chris (aka- Moose)

Technician

42 satisfied customers

16 years of experience

Steve

Steve

Mechanic

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Heavy Equipment Mechanic for 25 years

JBFixxer

JBFixxer

Mechanic

20 satisfied customers

16+ years experience, hydraulics,hydrostatics, engines, fuel injection systems. And everything in between.

Don

Don

Journeyman

13 satisfied customers

i am a red seal canadian mechanic with thirty years experience

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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