W345B Series II Material Handler Hydraulic System Cylinder (Boom, Stick and Grapple) Caterpillar


Cylinder (Boom, Stick and Grapple)
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W345B Series II Material Handler Hydraulic System [RENR5574]
HYDRAULIC SYSTEM
CYLINDER GP
W345B Series II Material Handler Hydraulic System Cylinder (Boom, Stick and Grapple)



Illustration 1g00291400

(1) Boom cylinder

(2) Port (rod end)

(3) Tube

(4) Rod

(5) Snubber

(6) Piston

(7) Head end port

(8) Stick cylinder

(9) Snubber

(10) Grapple cylinder




Illustration 2g00291401

Snubber operation

(5) Snubber

(11) Passage

When boom cylinders (1) or stick cylinders (8) move close to the end of the extension stroke, passage (11) is restricted by snubber (5). The movement of the piston rod slows down before the piston rod stops.




Illustration 3g00291402

Snubber operation (retracting rod)

(5) Snubber

(12) Passage

When stick cylinders (8) move close to the end of the retraction stroke, passage (12) is restricted by snubber (9). 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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