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I am working on a Caterpillar excavator model 245B
Hello, I am working on a Caterpillar excavator model 245B ser#6MF00035 and I am having issues with the pressures on hydraulic pumps. When I lift the boom and bottom it out at full idle I read a pressu… read more
Dan
Dan
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Where is the swing motor located on a bobcat 331 and how
Where is the swing motor located on a bobcat 331 and how fifficult is it to remove. My 331 started making a loud chatter when the turn joystick is moved, particularly to swing thenhouse counterclockwi… read more
Dan
Dan
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I have a hitachi ex120-3 it stalls when you move pilot shut
I have a hitachi ex120-3 it stalls when you move pilot shut off lever from lock to unlock … read more
Dan
Dan
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Have a hitachi ex220-2 excavator moved it worked fine went
have a hitachi ex220-2 excavator moved it worked fine went to move later will not move track levers just make a sqeeke sound ever thing else works. … read more
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I have an e70b excavator an the swing wont work as the drive
I have an e70b excavator an the swing wont work as the drive track on left side … read more
Dan
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I have a Koerhing excavator #6633 that has lost about half
I have a Koerhing excavator #6633 that has lost about half of it's hydraulics. One lag will turn and other one won't. The bucket will not tip either way. The main boom will lift, but no down pressure.… read more
Dan
Dan
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After hyd oil gets hot (30 min) right track don't pull. Want
After hyd oil gets hot (30 min) right track don't pull. Want turn ! … read more
catmastertech
catmastertech
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Vocational, Technical or Trade Scho
1,284 satisfied customers
I am working on a project to fit a rotating grapple with
Hi there, I am working on a project to fit a rotating grapple with hydraulic chainsaw attachment on a Volvo EC220DL excavator. As there is no hydraulic function available to run the saw we have set th… read more
Dan
Dan
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Hitachi ex200-2 swing slow and all other functions normal
hitachi ex200-2 swing slow and all other functions normal worked fine until setting for 2 weeks then after moving around for a few minutes started to operate at spec 13 rpm now set again ffor a while … read more
Dan
Dan
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Cat 302.5 mini ex. Drive locks up. All other functions still
Cat 302.5 mini ex. Drive locks up. All other functions still work. If I use the bucket I can pull mini forward and drives re engage.… read more
Dan
Dan
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I have a 1982 tachi excavator model UH02 it has steel
I have a 1982 Hitachi excavator model UH02 it has steel tracks, it runs well and moves well on tracks, but after about 6 are 7 hours working it s real slow when trying to move but the rest of it still… read more
Dan
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Where would I check shavings after I replaced final drive on
Where would I check for metal shavings after I replaced final drive on left side Bucket will not raise and left track is binding because it's not getting fluid… read more
catmastertech
catmastertech
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Hello, I have a 320 Cat/Favco 30 ton. Unable to swing. Engine loads up when trying to swin
Hello, I have a 320 Cat/Favco 30 ton. Unable to swing. Engine loads up when trying to swing. I've located four solenoid valves located on pilot system near pump. I've also located solenoid valve on sw… read more
catmastertech
catmastertech
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Vocational, Technical or Trade Scho
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Hi i have excavotor Hyundai r210lc-3 its 1997year made and
Hi i have excavotor Hyundai r210lc-3 its 1997year made and my right side tracks doesn"t run as quick as the left side(the left side actually is barely running). Moreover when i try to do something wit… read more
Dan
Dan
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7,537 satisfied customers
Komatsu pc 120-3 excavator swing brake wont release Im
Komatsu pc 120-3 excavator swing brake won't release I'm working for a guy who bought an old worn out PC120, to do 2 projects. It's really tired& worn, but it's stayed together pretty well. Last year,… read more
Dan
Dan
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7,537 satisfied customers
I have an 450 Hitachi Excavator that has a slow swing problem.
I have an 450 Hitachi Excavator that has a slow swing problem. I also am having a track speed problem only on one track. I did a flow test on the swing motors and don't have any flow when swinging. I … read more
Dan
Dan
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I have a vio - 35 yanmar excavator that the swing function
I have a vio - 35 yanmar excavator that the swing function is slow and weak also the back fill blade function is slow and weak . I believe they are on the same circuit . note. 1200 hr machine good flu… read more
Dan
Dan
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7,537 satisfied customers
My Hitachi EX150 Excavator boom lifts correctly, but when the
My Hitachi EX150 Excavator boom lifts correctly, but when the boom goes down it does not lift the machine. The pump is working 100%, the pump pressure is correct - all other functions are correct. We … read more
Dan
Dan
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7,537 satisfied customers
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