PEDAL AS 9R8167 - Caterpillar

System Identifiers
The tool systems can be identified based on the number and type of components on the machine.Combined Function - Electric Relief
A machine configured with a Combined Function - Electric Relief will have the following components:
Two variable relief valves located in the swing motor compartment above the boom foot.
Two pressure sensors located in the swing motor compartment above the boom foot.
Four proportional reducing valves to control the attachment control valves located on the main control valve.
Electric controls in the cabRefer to Illustrations 1, 2, and 3 for component descriptions.
Illustration 1 g06213779
Two variable relief valves and two pressure sensors located above the boom foot
Illustration 2 g06213809
Four Proportional Reducing Valves located on the main control valve.
Illustration 3 g06263315
Electric Controls in the cab
(1) Left foot pedal
(2) Right foot pedal
(3) Right joystick
(4) Left joystickCombined Function - Manual Relief
A machine configured with a Combined Function - Manual Relief will have the following components:
Manual one-way or two-way ball valve located in the swing motor compartment above the boom foot.
Two pressure sensors located in the swing motor compartment above the boom foot.
No dedicated tool relief valve. The line relief valves on the main control valve are used for tool relief pressure.
Four proportional reducing valves to control the attachment control valves located on the main control valve.
Electric controls in the cab.Refer to Illustrations 4, 5, 6, and 7 for component descriptions.
Illustration 4 g06216904
Manual one-way or two-way ball valve and two pressure sensors located above the boom foot
Illustration 5 g06248617
Line relief valves located on the main control valve
Illustration 6 g06213809
Four Proportional Reducing Valves located on the main control valve
Illustration 7 g06263315
Electric Controls in the cab
(1) Left foot pedal
(2) Right foot pedal
(3) Right joystick
(4) Left joystickMedium 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 attachment pump located in the main pump compartment.
Medium pressure control valve located in the swing motor compartment.
Two proportional reducing valves located below the medium pressure control valve.
Electric control in the cab.Refer to Illustration 8, 9, 10, and 11 for component descriptions.
Illustration 8 g06248613
Medium pressure attachment pump located in the main pump compartment
Illustration 9 g06213881
Medium pressure control valve located in the swing motor compartment (cab side)
Illustration 10 g06213876
Two proportional reducing valves located below the medium pressure control valve
Illustration 11 g06263312
Electric Controls in the cab
(1) Left foot pedal
(5) Left thumb wheel