SPACER 4Y8186 - Caterpillar

Illustration 1 g00101347
Before you change the flow mode of the hydraulic circuit, place the machine in the servicing position, as shown. Stop the engine.
Table 1
Compatible Tool Control Systems    
Tool Control System     One-way Flow (Hydraulic Hammer)
    Two-way Flow (Hydraulic Shear)    
One Pump Flow Two Pump Flow     One Pump Flow       Two Pump Flow    
Hydraulic Work Tool with One Pump Flow and One-way Flow     X                
Hydraulic Work Tool with Two Pump Flow and Two-way Flow         X            
Combined Function Hydraulic Circuit with Two Pump Flow     X     X     X     X    Changing Hydraulic Work Tool Circuits
Illustration 2 g00953561
This switch is located on the right instrument panel.
Work Tool Flow Mode Control - Use this switch in order to change the hydraulic work tool circuits.
Hydraulic work Tool Circuit for One-way Flow (A) - Push the bottom portion of the switch in order to select the hydraulic work tool circuit for One-way Flow.
Hydraulic Work Tool Circuit for Two-way Flow (B) - Push the top portion of the switch in order to select the hydraulic work tool circuit for Two-way Flow. Changing Pump Flow
Illustration 3 g00953562
This switch is located on the right instrument panel.
Pump Flow Control - Use this switch in order to select the pump flow for your work tool .
One Pump Flow - Push the bottom portion of the switch in order to select one pump flow.
Two Pump Flow (B) - Push the top portion of the switch in order to select two pump flow.