Cylinders (Boom, Stick and Bucket)
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Illustration 1 | g00786719 |
(1) Rod end port (2) Piston (3) Tube (4) Snubber (5) Rod (6) Boom cylinder (7) Head end port (8) Snubber (9) Stick cylinder (10) Bucket cylinder |
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Illustration 2 | g00786720 |
Snubber operation (extending rod) (4) Snubber (11) Passage |
When boom cylinders (6) or stick cylinder (9) moves close to the end of the extension stroke, passage (11) is restricted by snubber (4). The movement of piston rod (5) slows down before the piston rod stops.
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Illustration 3 | g00786721 |
Snubber operation (retracting rod) (8) Snubber (12) Passage |
When stick cylinder (9) moves close to the end of the retraction stroke, passage (12) is restricted by snubber (8). The movement of the piston rod slows down before the piston rod stops. The shock load is absorbed when the piston is slowed down.
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