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I have a kubota rx303 mini excavator and a r3d light started
I have a kubota rx303 mini excavator and a r3d light started flashing on the control screen and also an alarm now some of the hydraulic controls aren't working any ideas what this could be thanks … read more
Dan
Dan
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Auto Mechanics 1&2/diesel mech
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What is the possible cause that links to cat 330D lift
Hi Sir, what is the possible cause that links to cat 330D lift cylinder too slow going up? … read more
catmastertech
catmastertech
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Vocational, Technical or Trade Scho
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My mini excavator acts like it has a restriction in
my mini excavator acts like it has a restriction in hydraulic circuit … read more
Dan
Dan
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Auto Mechanics 1&2/diesel mech
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I have s 5370 jcb telehandler and the frount crowd ie bucket
Hi i have s 5370 jcb telehandler and the frount crowd ie bucket creeps down rather quickly when lever is not in use it also lifts main boom a couple inches when you fully crowd the bucket back … read more
Curtis B.
Curtis B.
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Catmastertech, have cat 315cl serial number cacjc02070 with
Catmastertech, have cat 315cl serial number cacjc02070 with 3646 hours, Have Electronic Technician and pressure gauges to trouble shoot per your instructions, have pump howl in left travel function in… read more
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catmastertech
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Main boom and right side travel has been slowiy getting weak
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Dan
Dan
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I have a 1988 Cat 416 Backhoe. Recently while digging the
I have a 1988 Cat 416 Backhoe. Recently while digging the boom suddenly seemed to loose most of its lifting capability. It can barely lift itself but if the extended part of the stick isn't out or the… read more
catmastertech
catmastertech
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Vocational, Technical or Trade Scho
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I have a 2012 zx40u-3 excavator, recently done a service on
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Dan
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Auto Mechanics 1&2/diesel mech
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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
Dan
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Auto Mechanics 1&2/diesel mech
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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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Volvo l220f loader Hydraulics work perfectly except when you
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dieseldan55
dieseldan55
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Hey, I have a EX 200 LC-5 Hitachi excavator. The hydraulics
Hey, I have a EX 200 LC-5 Hitachi excavator. The hydraulics seem to work fine in every function except when you lower the boom, it drops to fast. What parts could be involved with this and where are t… read more
Dan
Dan
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Auto Mechanics 1&2/diesel mech
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Hello Chris,We have a 2004 Cat 314 C L excavator. Right
Hello Chris, We have a 2004 Cat 314 C L excavator. Right side joy stick. The function to open and close the bucket has a problem. On the open side everything seems to work properly........On the close… read more
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Auto Mechanics 1&2/diesel mech
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I own a 1999 RT450 crane and the unit needs a complete overhaul,
I own a 1999 RT450 crane and the unit needs a complete overhaul, including hydraulic seals for the boom. I think the crane is worth $100K but my dealer will only offer me $25K in trade on a new unit. … read more
Curtis B.
Curtis B.
Technician
Associate Degree
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I have an ex 200 lc excavator that the boom will no go up or
I have an ex 200 lc excavator that the boom will no go up or down but all other functions seem to work. What could be causing this?… read more
dieseldan55
dieseldan55
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I am trying to troubleshoot a serious delay in the jib function
I am trying to troubleshoot a serious delay in the jib function hydraulics. I believe there is a pilot operated valve mounted on the jib cylinder that was field disassembled and reassembled which may … read more
Dan
Dan
Technician
Auto Mechanics 1&2/diesel mech
11,401 satisfied customers
How reliable are samsung se 130 excavators Do they have any
How reliable are samsung se 130 excavators Do they have any common problems do ye thing it would be a wise purchase… read more
dieseldan55
dieseldan55
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Need help on repairs to Samsung hydraulic excavator Model #240SE
Need help on repairs to Samsung hydraulic excavator Model #240SE Series LC3. Working fine one day. Next day no movement in tracks, boom, bucket, dipperstick, and swing... as if the limit switch on lef… read more
dieseldan55
dieseldan55
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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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