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| Illustration 1 | g00880051 |
Cylinders (1) Rod end port (2) Piston rod (3) Stop (4) Piston (5) Head end port (6) Boom cylinder (7) Stop (8) Stick cylinder (9) Bucket cylinder | |
Stop Operation
Extension
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| Illustration 2 | g00880066 |
(3) Stop (10) Passage | |
When the operator performs the boom raise operation, passage (10) becomes closed when the boom is extended. As a result, the speed of the boom is reduced to a moderate shock load when the boom cylinder is fully extended and when the boom cylinder is allowed to make contact with stop (3) .
Retraction
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| Illustration 3 | g00880071 |
(7) Stop (11) Passage | |
When the operator performs the stick out operation, passage (11) becomes closed when the stick is retracted. As a result, the speed of the stick is reduced to a moderate shock load when the stick cylinder is fully retracted and when the stick cylinder is allowed to make contact with stop (7) .