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I have a 2014 Cat 302.7D mini excavator with 3,900 hrs that
I have a 2014 Cat 302.7D mini excavator with 3,900 hrs that has several issues. The left track is very week. The right track will not move at all unless I curl the bucket. When I curl the bucket it wi… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
7,033 satisfied customers
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
Technician
Auto Mechanics 1&2/diesel mech
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I have a 35G excavator that we have converted to work in
I have a 35G excavator that we have converted to work in shafts at different mine sites. I'm trying to figure out what my pilot pressure is supposed to be. We have done away with all the electrics and… read more
Dan
Dan
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I have a 2008 Volvo EC35 C Excavator, 1,400 hours, and
I have a 2008 Volvo EC35 C Excavator, 1,400 hours, and working great, until… Driving along in the "Fast Mode (Rabbit switch)", then I de-selected "Rabbit, and then the cab would not rotate, further ch… read more
dieseldan55
dieseldan55
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Vocational, Technical or Trade Scho
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I have a sumotomo excavator I am having issues with. When
I have a sumotomo excavator I am having issues with. When trying to drive the excavator either direction it wants to labor the motor or make it guit. Also noticed when extending the boom all the way o… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
7,033 satisfied customers
I have a 200lc that wont track straight unless ou hold a
I have a 200lc that wont track straight unless ou hold a boom function. … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
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My Mitsubishi Mini Excavator MSO30 controls should I say are
Sir, My Mitsubishi Mini Excavator MSO30 controls should I say are out of standard pattern. Can I switch hoses to correct this? … read more
Dan
Dan
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Auto Mechanics 1&2/diesel mech
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Pearl, I have 1993 jcb backhoe and would like to change
Gray Pearl, I have 1993 jcb backhoe and would like to change control pattern from backhoe to excavator control pattern can u advise please , many thanks Paul Sheahan. Email....***@******.*** … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
7,033 satisfied customers
I have a Deere 490 E excavator. It has given me electrical
I have a John Deere 490 E excavator. It has given me electrical problems in the past. With some re-wiring, I thought all of this was behind me. The symptoms are, some, not all hydraulic functions act … read more
Dan
Dan
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Auto Mechanics 1&2/diesel mech
7,033 satisfied customers
I have recently aquired a 225b excavator. I've had to drain
Hi. I have recently aquired a 225b excavator. I've had to drain the hydraulic tank and replace a number of hoses, including the main suction hoses, hoses from the pumps to valve bodies, main drive hos… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,287 satisfied customers
John Deere 690 E-LC 1991 machine dies out when put in a
John Deere 690 E-LC 1991 machine dies out when put in a strain. doesn't matter if it's walking or trying to pick up a bucket of dirt. it seems if you only work one function at a time it does ok but if… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
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John Deere Excavator 490e: We have a John Deere 490e excavator
We have a John Deere 490e excavator that travels fine but is extremely slow to swing and lift. The problem happened after a piece of metal came up and hit the suction hose. We replaced the hose and fi… read more
Dan
Dan
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Auto Mechanics 1&2/diesel mech
7,033 satisfied customers
I just purchased a ex 200 LC-3 excavator and I would like to
I just purchased a ex 200 LC-3 excavator and I would like to switch from cat to john deer controls how do I do this.… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
7,033 satisfied customers
Link belt 2700C series II Hydraulic IssuesA short at the
Link belt 2700C series II Hydraulic Issues A short at the split bolt connector in the console has fried the circuit boards in the control panel, so I've converted the machine to manual controls and th… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
7,033 satisfied customers
My CX225SR excavator looses power when digging a full bucket
My CX225SR excavator looses power when digging a full bucket scoop, bring the bucket back up and the power returns what may be the cause.… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
7,033 satisfied customers
I have a John Deere 690D Excavator that was running fine.
I have a John Deere 690D Excavator that was running fine. It just now started to bog down when applying any hydraulic function to the point where it stalls out the engine. The tracks barely turn. It w… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,409 satisfied customers
Hi I have an old mid 90s Hitachi ex55ur excuvator and for
Hi I have an old mid 90's Hitachi ex55ur excuvator and for no apparent reason the actions that function when either of the control levers are pulled towards the driver do nothing, all other operations… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
7,033 satisfied customers
I Have a 2005 John Deere 160C Lc excavator that the hydraulics
I Have a 2005 John Deere 160C Lc excavator that the hydraulics seem to run at half power. When you track the machine and run boom functions at the same time the power is split to both functions but th… read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
7,033 satisfied customers
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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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