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Ck35 front loader, bucket and backhoe has hydraulic drift.

Customer Question
Ck35 front loader...

Ck35 front loader , bucket and backhoe has hydraulic drift

Mechanic's Assistant: What is the complete model and serial number of your machine?

Ck3510

Mechanic's Assistant: Are you fixing this yourself? What have you tried so far?

Added shims to relief valve

Submitted: 1 year ago.Category: Construction and Road Equipment
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Answered in 2 hours by:
11/14/2021
Mechanic: Curtis B., Technician replied 1 year ago
Curtis B.
Curtis B., Technician
Category: Construction and Road Equipment
Satisfied Customers: 43,988
Experience: Technican turned service manager with multiple lines of equipment and rental units.
Verified

The relief valve only protects the system from high-pressure spikes. cylinder drift has to be cylinders leaking internally, or a circuit relief valve leaking. On the front loader, does the boom and the bucket drift, or just one? And you have a backhoe too? One function leaking off, or all? Where are you getting the oil supply?

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Customer reply replied 1 year ago
Does have backhoe and everything drifts,This has been getting worse over last few weeks,It's started having lift troubles couple weeks ago
Mechanic: Curtis B., Technician replied 1 year ago

Two separate control valves? drift in all systems typically leaks in the control valve.

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Customer reply replied 1 year ago
2 separate control valves
Mechanic: Curtis B., Technician replied 1 year ago

That's what I figured. You have a unique problem. Are these all Kioti models?

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Customer reply replied 1 year ago
Kioti ck35
Mechanic: Curtis B., Technician replied 1 year ago

Backhoe and loader are also Kioti? The problem will be internal to the two control valves. Spools are leaking or the load checks for each function are leaking. How old is the unit? Any warranty left?

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Customer reply replied 1 year ago
Kioti hoe year 2010
Mechanic: Curtis B., Technician replied 1 year ago

Contole valves for loader and backhoe need to be gone through.

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Customer reply replied 1 year ago
Backhoe and loader have 2200 hours and used extensively
Mechanic: Curtis B., Technician replied 1 year ago

Then it may be worn spools in the valves, letting the fluid bypass.

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Curtis B.
Curtis B.
Curtis B., Technician
Category: Construction and Road Equipment
Satisfied Customers: 43,988
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Experience: Technican turned service manager with multiple lines of equipment and rental units.

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