Two preliminary temporary adjustment procedures must be performed: A temporary setting of the main relief valve pressure is required. A temporary line relief setting of…
Tag: 320C
A visual inspection of the system is the first step in order to troubleshoot a problem. Shut off the engine and lower all implements to…
Hydraulic oil pressure can remain in the hydraulic systems after the engine and pump have been stopped. Serious injury can be caused if this pressure…
Solenoid Valves (One-Way Flow) Illustration 1 g00777012 Solenoid valves for one-way flow (electronic check valves) There are two one-way solenoid valves. Both solenoids receive power…
Illustration 1 g00921609 (1) Machine electronic control module (2) Solenoid valve group (3) Solenoid valve for one pump/two pump flow (4) Solenoid valve for one…
The two-way hydraulic flow system is for work tools that require two-way pressurized hydraulic flow. A hydraulic shear is a typical example. Illustration 1 g00995038…
Illustration 1 g00864254 (1) ECM (2) Solenoid valve group (3) Solenoid for one pump/two pump flow (4) Solenoid for one pump/two pump flow (5) Solenoid…
Illustration 1 g00864065 (1) Machine electronic control module (2) Foot pedal (3) Work tool pressure switch (4) Line relief valve (5) Line for work tool…
Table 1 Tool Control System Identification Chart for 320C to 330C Tool Control System Number of Control Valves Slide…
Note: Refer to Systems Operation, RENR 3816, “320C Excavator Hydraulic System”, “Main Control Valve – Individual Valve Operation” for an explanation of the operation of…