Kobelco Model 10 Excavator Breaker Hydraulic Flow Adjustment Guide

September 10, 2026


Excavator Breaker Hydraulic Flow Adjustment Guide: Monitor Settings

Kobelco Model 10 Excavator Breaker Hydraulic Flow Adjustment Tutorial: Display Screen Parameter Settings and Operating Guide

Introduction: When operating a 10-type excavator with a hydraulic breaker (hammer), adjusting the hydraulic oil flow is essential to control the striking frequency (making it faster or slower). In this guide, we will walk you through the step-by-step process of adjusting the breaker flow directly through the monitor screen.

Kobelco Model 10 Excavator Breaker Hydraulic Flow Adjustment Guide
Figure 1: Excavator breaking rocks with hydraulic hammer 

Step 1: Enter the Service Menu 

To access the advanced adjustment menus on your monitor:

  1. Press and hold the buzzer button on the control panel.

  2. Turn on the key switch while holding the button.

  3. Press the confirm button 3 times consecutively to enter the service interface.


Kobelco Model 10 Excavator Breaker Hydraulic Flow Adjustment Guide
Figure 2: Navigating to Service Adjust mode 

Step 2: Locate Breaker Settings

Once inside the service adjustment menu:

  1. Select SERVICE ADJUST 1 and navigate down to page 1, sub-page 2.

  2. Locate the BREAKER SETTING option and select it.

  3. You will see a list of presets (SET1 to SET10) displaying the current flow rates (e.g., SET1 at 294 L/min).


Kobelco Model 10 Excavator Breaker Hydraulic Flow Adjustment Guide
Figure 3: Breaker flow setting interface (SET1 - SET10) 

Step 3: Adjust Flow Rate & Confirm

To modify the flow rate:

  • Use the arrow keys to adjust the value up or down (e.g., reducing it from 294 L/min to 234 L/min).

  • Press the confirm button to save the changes.

  • Return to the main screen to verify that the active breaker flow reflects your new setting.

Kobelco Model 10 Excavator Breaker Hydraulic Flow Adjustment Guide
Figure 4: Confirmed flow rate displayed on monitor


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