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I have a 314 cl. It continues to extend the boom with no
I have a 314 cl. It continues to extend the boom with no input. We disconnected the joy stick and continues to do the same thing. Ideas on possible fix?? … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
Have a yanmar 1810D with a Koyker 80 front end loader. Today
have a yanmar 1810D with a Koyker 80 front end loader. Today the loader started to misbehave. It keeps raising with out the joystick lever being moved, What is the solution? … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,528 satisfied customers
I have a Link Belt 240 X2 excavator, the boom will just
I have a Link Belt 240 X2 excavator, the boom will just raise on its own with the arm over relief or when tracking the machine. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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75c with 4 remotes. Line 1 does not seem to have any
75c with 4 remotes. Line 1 does not seem to have any pressure for lifting implement. Other 3 lines operate normally. What is happening with line 1 … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,528 satisfied customers
I have a yanmar excavator 3.5 and when I am operating it it
I have a yanmar excavator 3.5 and when I am operating it it just keeps creeping slowly on the tracts when it is supposed to be stationary … read more
Jeremy
Jeremy
Diesel Cyber Engineer
Associate Degree
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I have a LX885 that I purchased used all hyd seems to work
I have a LX885 that I purchased used all hyd seems to work fine except auxiliary shaft/spool. sitting in seat with seat belt on and ignition on and safety latch down I cannot get the shaft to move. Do… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,528 satisfied customers
I'm having the same issue and the fluid is full. Cannot seem
I'm having the same issue and the fluid is full. Cannot seem to find the inching spool assembly. I'm a auto mechanic and this is my first run at my own lift… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,528 satisfied customers
I have a Yanmar vio35 pump and all is good but i have no
I have a Yanmar vio35 pump and all is good but i have no operation … read more
dieseldan55
dieseldan55
Mechanic
Vocational, Technical or Trade Scho
273 satisfied customers
I have a PC300LP6 Excavator. The arm cylinder drifts in and
I have a PC300LP6 Excavator. The arm cylinder drifts in and out. The cylinder was damaged and some pieces went downstream. The cylinder was rebuilt but the problem still occurs. Where do I look next?… read more
dieseldan55
dieseldan55
Mechanic
Vocational, Technical or Trade Scho
273 satisfied customers
1986 3 cx jcb backhoe bucket falls downwards have taken spool
1986 3 cx jcb backhoe bucket falls downwards have taken spool valve unit off and replaced o rings etc however problem persists… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
957 satisfied customers
i have a 510d jd 1977 i want to add auxillary hydlaulics
i have a 510d jd hoe 1977 i want to add auxillary hydlaulics to the hydraulic at the rear to run a thumb and post hole auger on the hoe. my question is it apears in the pressure lines going to hyd con… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
957 satisfied customers
Hi my Palfinger 1480 truck mounted crane, the final telescope
Hi my Palfinger 1480 truck mounted crane, the final telescope extends on its own without touching the valve leaver! do you have any suggestions? thanks Craig… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
957 satisfied customers
i have a 2007 4cx jcb backoe,that wont lower bucket.removed
i have a 2007 4cx jcb backoe,that wont lower bucket.removed cover over controls discovered piston will rise in valve bank but not go down wonder if its debris in control valve… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,528 satisfied customers
Cat 322bl sn 8nr20091. Left track slower than the right, will
Cat 322bl sn 8nr20091. Left track slower than the right, will walk straight when activating another function eg swing, arm etc, I've been told one side of the main pump could be getting tired, hence t… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
Hi, I have a 743B on loan from my buddy that says the aux.
Hi, I have a 743B on loan from my buddy that says the aux. hydraulics never worked. I tilted the cab, found a bolt installed in the right steer linkage keeping the aux. rod from being pushed in/out. I… read more
Fieldtech59
Fieldtech59
276 satisfied customers
Hi I have a 325dl cat with 6000hrs on the unit and sometime
Hi I have a 325dl cat with 6000hrs on the unit and sometime if i used the stick out function and boom down if i release the joystick for the boom down the cylinder will continue to go down for a bit s… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
hi Donnie, just letting you know the problem was the plug and
hi Donnie, just letting you know the problem was the plug and screen thread that was stripped on the modulating valve spool. it came out and jam the valves in a position causing oil flow to dump.… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
I have a champ forklift that takes a long time to go into gear,when
I have a champ forklift that takes a long time to go into gear,when its cold it does fairly good but once hot it will not move at all… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
957 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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