325 Variable Undercarriage VH Undercarriage/VM Undercarriage Hydraulic System Caterpillar


Main Hydraulic System - VM Undercarriage

Usage:

OEMS DSL

Main Hydraulic Schematic




Illustration 1g01622988

325 Variable gauge undercarriage (neutral)

(1) Left travel motor

(2) Left parking brake

(3) Relief valve

(4) Relief valve

(5) Reducing valve

(6) Relief valve

(7) Right parking brake

(8) Right travel motor

(9) Relief valve

(10) Reducing valve

(11) Swivel

(12) Variable gauge cylinders

(13) Locking valves

(14) Right travel control valve

(15) Left travel control valve

(16) Hydraulic tank

(17) Idler pump

(18) Drive pump

(19) Pilot pump

Hydraulic Oil Flow




Illustration 2g01625827

(13) Locking valves

(8) Right travel motor

(12) Variable gauge cylinders

This machine is driven and controlled by the following systems.

  • The main hydraulic system controls the following systems: the variable gauge cylinders and the travel motors.

The main hydraulic system delivers oil flow from idler pump (17) and drive pump (18) to swivel (11) in order to control the following components: left travel motor (1), right travel motor (8) and variable gauge cylinders (12) .

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