PLATE 1884166 - Caterpillar

Table 1
Identification for the Tool Control System
Tool Control System Engineering Nomenclature Machine Application(1) Control Device Tool Relief Valve Comparable E-Series Tool Control System
Combined Function with Medium Pressure - Electric Control Tool A0M "Multi-Proc - Electrical" Electric Control - Joystick with Thumb Wheel Electric Tool 20
Combined Function without Medium Pressure - Electric Control Tool A0 "Common - Electrical" Electric Control - Joystick with Thumb Wheel Electric Tool 20
Combined Function without Medium Pressure - Electric Control (Direct Return)(2) Tool A0 With Direct Return "Common - Electrical" Electric Control - Joystick with Thumb Wheel Electric Tool 20
(1) Monitor Setup Option > "Service" > "Configurations" > "Aux Hyd Attachment" > "Machine Application"
(2) Direct Return available on 349F XE/352F XE onlySystem Identifiers
The tool systems can be identified based on the letters and type of components on the machine.Combined Function - Electric Control
A machine configured with a Combined Function with Electric Control will have the following components:
Two variable relief valves located in the swing motor compartment above the boom foot.
Electric controls in the cabRefer to Illustrations 1 and 2 for component descriptions.
Illustration 1 g03810410
Two variable reliefs located above the boom foot (typical examples)
Illustration 2 g02722460
Electronic controls in the cab
(A) Joystick with thumb wheel
(B) Electric foot pedal
(C) Foot switch Medium Pressure Hydraulic System
A machine configured with a Medium Pressure system is only found on machines with Combined Function with Electric Control and will have the following components:
Medium Pressure control valve located in the swing motor compartment.
Two proportional reducing valves located in front of the medium pressure control valve.
Electric control in the cab.Refer to Illustration 3 and 4 for component descriptions.
Illustration 3 g02722563
Medium pressure valve with proportional reducing valves for control located in the swing motor compartment (cab side)
Illustration 4 g03584108
Electric Controls in the cab
(A) Joysticks with thumb wheel
(B) Electric foot pedal