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SUPPORT AS-SOUND SUPPRESSION 4416325 - Caterpillar



4416325 SUPPORT AS-SOUND SUPPRESSION Caterpillar parts SUPPORT
Rating:
16
Alternative (cross code) number:
CA4416325
441-6325
4416325
Caterpillar 4416325 SUPPORT AS-SOUND SUPPRESSION

Buy SUPPORT AS-SOUND SUPPRESSION 4416325 Caterpillar genuine, new aftermarket tractor parts with delivery

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Load Holding Function
This function operates to hold the vertical position of the boom in case a main hydraulic line to the boom cylinder head end is ruptured or loosened.When the main line and/or any line connected to the main line is broken or disconnected, check valve (4) shifts so that no oil flows out to port (5) from port (3). Check valve (4) retains the pressure in boom cylinder head end circuit, holding the boom in position.Main Line Breakage
Check and Relief Valve (1)
(2) Spring. (3) Port (boom cylinder head end). (4) Check valve. (5) Port (supply to boom cylinder head end).When there is no pump supply oil pressure in port (5), spring (2) will close check valve (4), blocking the flow of oil from port (3) to port (5). When a main supply line is broken or loose the boom can still be lowered using the control lever in the cab as long as boom down pilot pressure is still available.Manual Boom Lower Function
Check And Relief Valve (1)
(2) Port (to head end of boom cylinder). (3) Passage. (4) Steel ball. (5) Piston. (6) Bolt. (7) Port (to drain). (8) Lock nut.This function is used to manually lower the boom with the engine OFF and without pilot pressure being supplied to the boom lower pilot circuit.When lock nut (8) is loosened and piston (5) is slowly loosened, steel ball (4) moves down. As steel ball (4) moves down, passage (3) opens to return port (7). The other end of passage (3) opens to port (2) and head end oil pressure. So with passage (3) open, cylinder head end oil is allowed to flow back to tank and allows the boom to lower. This procedure must be done to both right and left check and relief valves at the same time.Bolt (6) stops piston (5) from being removed.Two Speed Hydraulic Hammer
For Hydraulic System Two Speed Hammer Schematic see Form SENR6075 The Single Action, One Pump Circuit, or, Common Piping, Two Pump Circuit, arrangement is needed for the two speed hydraulic hammer arrangement.The main components of the two speed hydraulic hammer are hammer control switch (1), solenoid valve (2) and the hydraulic lines to send signal pressure to the attachment.
Top View of Cab Area
(1) Hammer control switch. (2) Solenoid valveHammer control switch (1) is located on the right control console with two other switches. The hammer control switch is the switch nearest to the operator. Push down on the top of the switch to activate solenoid valve (2) for high speed hammer operation. Push down on the bottom of the hammer speed switch to deactivate the solenoid valve for low speed hammer operation.
Two Speed Signal Lines (Side View)
(2) Solenoid valve. (3) Oil line from

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320D2 LOG LOADER FOREST MACHINE CY200001-UP (MACHINE) POWERED BY C7.1 Engine


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