WASHER 0909577 - Caterpillar

Illustration 1 g00474650
(1) Boom cylinder (2) Port (rod end) (3) Tube (4) Rod (5) Snubber (6) Piston (7) Head end port
Illustration 2 g00482260
Snubber operation (8) Snubber (9) PassageWhen boom cylinders (1) move close to the end of the extension stroke, passage (9) is restricted by snubber (8). The movement of the piston rod slows down before the piston rod stops.
Illustration 3 g00482261
Snubber operation (retracting rod) (5) Snubber (10) PassageWhen boom cylinder (1) moves close to the end of the retraction stroke, passage (10) is restricted by snubber (5). The movement of the piston rod slows down before the piston rod stops. The shock load is absorbed when the piston is slowed down.