Sk 120 won't track

samedi 21 avril 2018

I still can't get my machine to track properly. When I check a1 and a2 they don't have but about 200psi when travel valves are moved (cable operated). Left travel works sometimes and I get pressure increase at pump. If I hold the right pedal down after a while it will kick in at full speed and I get pressure increase at pump. Have went through book on all pressure measurements for all functions. All pressures are spot on except travel. Measured at pump,T in at top of swivel and T in at right...

Sk 120 won't track

Sk 120 won't track

John Deere 310B Hydraulics issue

Hi all I have a 1984 John Deere 310B backhoe. I just purchased this machine and figured I would change the hydraulic fluid, hydraulic filter, transmission filter and hydraulic sump screen. This machine ran just fine with great responce and cycle times. I drained about 8 gallons of fluid from the machine and the specs say it holds around 20 gallons so I figured I would increase the filter changes if I noticed oil problems. Anyways everything went well and I top off the fluid with John Deere...

John Deere 310B Hydraulics issue

John Deere 310B Hydraulics issue

Injector Pump is off, Won't line up.

I was able to get the injector pump off the Case 530CK. But I have something wrong
  • Valves on front cylinder are closed.
  • I see the marks on the clutch or whatever it is
  • Injector pump shaft sitting at 11 and 5 o'clock with dot at 11
  • I see both marks in injector pump window away from engine
  • Dot inside injector pump is at 5 o'clock position.


If I turn it to the 11 o'clock position, the marks will align inside the pump window toward the engine. But...

Injector Pump is off, Won't line up.

Injector Pump is off, Won't line up.

Any advice on my 188 engine swap in the old ck would be appreciated

Hi. New to the site and fairly new to heavyequipment. Bought a backhoe a couple years ago and a few months later it started toknock badly. Stopped running her immediately and after several years of looking I found a replacement engine.Wondering what i should replace on the “new to me “ engine before installing it. Rear main seal? Other gaskets ?...?? Or just install it as is ?? Also should I replace and seals like the converter seal? ( I have a power shuttle unit ) Any help and tips would be...

Any advice on my 188 engine swap in the old ck would be appreciated

Any advice on my 188 engine swap in the old ck would be appreciated

kobelco sk120 mark v critical problem

kobelco sk 120 mark v long arm
this machine repaired cobelco agent, these are they have done.

main hydraulics pump overhaul
pilot pump change
pump proportional solenoid change
all filters & hyd oil change
pressure relief valve change

but still machine is not OK.

:Banghead:Banghead:Banghead:Banghead

both tracks is OK. ( relief pressure 350bar )
boom is not OK. ( relief pressure approximately 170bar )
arm is not OK. ( relief pressure approximately 180bar )
bucket is...

kobelco sk120 mark v critical problem

kobelco sk120 mark v critical problem

Transfer switch

does anyone have experience with Thomson 910 auto transfer switches? Been looking and dealing with electricians and they are selling two to three times the price in Asco switches. Seems a waste of my money.

Transfer switch

Newbie here. With a PTO question.

New member here, so heres my introduction. I run a debris removal and skid steer service here in Miami. I recently bought a International 4700 with a 444e 7.3 and a Allison AT-545 transmission with a flatbed. I had a 1988 Ford F800 dump truck that wasn't running, so i swapped the dump body onto the International. That part is done, but now I'm starting to look into PTO's and its pretty confusing to me. I opened the PTO plate on the transmission and it has the PTO gear. My question is what...

Newbie here. With a PTO question.

Newbie here. With a PTO question.