Lehnhoff Excavator Attachment I Coupler ...

Lehnhoff - Excavator Attachment I Coupler HS 10-25

Supplier: Premier Rock Machinery

Excavator Attachment I Coupler HS 10-25

Lehnhoff quickcoupler systems turn any hydraulic excavator into a multifunctional tool carrier. One system idea – two components: from a mini excavator to a large hydraulic excavator.

Video for Lehnhoff Excavator Attachment I Coupler HS 10-25

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The fully hydraulic Variolock energy circuit coupling system makes changing all attachments easy, safe and quick. The driver can comfortably change all tools including the hydraulic connection at the press of a button from the cab, without having to leave the cab and without having to depend on other personnel.

Very economical thanks to time and cost savings

More effective working: tool change makes sense also with short work cycles
More safety and convenience for the driver
Cost reduction due to preservation of machine and attachments
Prevention of hose ruptures
Less contamination of the hydraulic system, environmentally friendly

Locking Process

When locking the quickcoupler and theattachment with the adapter, the valvesare opened mechanically.The extremely short stroke of 0 – 4.8 mmallows a full flow of oil immediately. The quickcoupler is always safe andlocked without backlash through permanent pressurisation.

S-block: valve block in quickcoupler

Flexibly and centrally stored on the underside in the quickcoupler
With five short stroke valves
Including leakage oil lines
Integrated hydraulic tension support ensures a solid hydraulic connection between
S-block and A-block

A-block: valve block in the attachment

Mounted in the attachment adapter
Short stroke valves are flush with the block surface and thus easy to maintain
Valves optimally adapted to the respective tool:

Two valves: e.g. tilt bucket, hammer
Three valves: e.g. drum cutter, rigid compactor
Four valves: e.g. rotatable grapple
Five valves: e.g. rotatable compactor

Very economical thanks to time and cost savings

More effective working: tool change makes sense also with short work cycles
More safety and convenience for the driver
Cost reduction due to preservation of machine and attachments
Prevention of hose ruptures
Less contamination of the hydraulic system, environmentally friendly

Locking Process

S-block: valve block in quickcoupler

Flexibly and centrally stored on the underside in the quickcoupler
With five short stroke valves
Including leakage oil lines
Integrated hydraulic tension support ensures a solid hydraulic connection between
S-block and A-block

A-block: valve block in the attachment

Mounted in the attachment adapter
Short stroke valves are flush with the block surface and thus easy to maintain
Valves optimally adapted to the respective tool:

Two valves: e.g. tilt bucket, hammer
Three valves: e.g. drum cutter, rigid compactor
Four valves: e.g. rotatable grapple
Five valves: e.g. rotatable compactor

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