Kobelco SK210LC-9 Shop Manual
  1. Manuals
  2. Brands
  3. Kobelco Manuals
  4. Excavators
  5. SK210LC-9
  6. Shop manual
Kobelco SK210LC-9 Shop Manual

Kobelco SK210LC-9 Shop Manual

Hydraulic excavator
Hide thumbs
Table of Contents

Advertisement

Quick Links

SHOP
MANUAL
INDEX
1
2
3
4
5
6
7
Copyright©2017 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E04] [0209CsCshWbYs]
HYDRAULIC EXCAVATOR
model
SPECIFICATIONS SECTION
MAINTENANCE SECTION
SYSTEM SECTION
DISASSEMBLY SECTION
TROUBLESHOOTING
ENGINE SECTION
PROCEDURE OF INSTALLING
OPTIONS SECTION
0-1
SK210
LC
S5YN0046E04
Book Code No.
-
9

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the SK210LC-9 and is the answer not in the manual?

Questions and answers

Related Manuals for Kobelco SK210LC-9

Summary of Contents for Kobelco SK210LC-9

  • Page 1 HYDRAULIC EXCAVATOR SHOP SK210 MANUAL model INDEX SPECIFICATIONS SECTION MAINTENANCE SECTION SYSTEM SECTION DISASSEMBLY SECTION TROUBLESHOOTING ENGINE SECTION PROCEDURE OF INSTALLING OPTIONS SECTION S5YN0046E04 Book Code No. Copyright©2017 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E04] [0209CsCshWbYs]...

  • Page 2: Table Of Contents

    21.2.4 TROUBLE HISTORY DIAGNOSIS ………………………………………………………………………21-55 21.2.5 SET PROCEDURE OF MAINTENANCE SCHEDULE ………………………………………………21-56 21.2.6 ADJUSTING PROCEDURE OF DISPLAY ……………………………………………………………21-58 21.2.7 MECHATRO CONTROL EQUIPMENT …………………………………………………………………21-64 Book Code No. S5YN2146E01 21-1 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 3 ［ 21. MECHATRO CONTROLLER ］ Issue Date of Issue Applicable Machines Remarks S5YN2146E01 First edition June, 2013 SK210LC-9 : YQ13-10001~ (NA) October, 2013 SK210LC-9 : YQ13-10001~ (North America / Europe) 21-2 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 4 Regarding the conditions before and after each conversion, refer to the hydraulic system and the electric system. 21-3 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 5: Summary Of Mechatro Control System

    ［ 21. MECHATRO CONTROLLER ］ 21.1 SUMMARY OF MECHATRO CONTROL SYSTEM 21.1.1 MECHATRO CONTROL SYSTEM IN GENERAL 21-4 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 6 ［ 21. MECHATRO CONTROLLER ］ 21-5 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 7: Unload Valve Control

    (4) With this operation, the bleed opening according to lever manipulated movement is obtained, consequently the pump pressure which is used to actuate each actuators are delivered and makes each actuator start operating. 21-6 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 8: Positive Control & P-Q Control

    ［ 21. MECHATRO CONTROLLER ］ 21.1.3 POSITIVE CONTROL & P-Q CONTROL 21-7 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 9 (4) With this operation, the delivery rate according to lever manipulated movement is fed to actuator and consequently working speed will be obtained according to lever movement. 21-8 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 10: Boom Up Conflux Control

    ［ 21. MECHATRO CONTROLLER ］ 21.1.4 BOOM UP CONFLUX CONTROL 21-9 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 11 P1 and P2 pumps and P1 and P2 unload valves are switched and consequently the delivery oil on P1 pump side confluxes delivery oil on P2 pump side during boom up operation. 21-10 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 12: Arm In Recirculation & Conflux Control

    ［ 21. MECHATRO CONTROLLER ］ 21.1.5 ARM IN RECIRCULATION & CONFLUX CONTROL 21-11 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 13 The reverse proportional valve for arm-in 2 spool outputs pilot secondary pressure according to the command output by mechatro controller and switches arm 2 spool to recirculation cut position, and consequently recirculation passage is blocked. 21-12 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 14: Arm-In Anti-Cavitation Control

    21-13 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 15: Arm-Out Conflux Control

    ［ 21. MECHATRO CONTROLLER ］ 21.1.7 ARM-OUT CONFLUX CONTROL 21-14 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 16 P1 and P2 pumps and P1 and P2 unload valves are switched, and consequently the delivery oil on P2 pump side confluxes delivery oil on P1 pump side during arm-out operation. 21-15 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 17: Bucket Digging Anti-Cavitation Control

    ［ 21. MECHATRO CONTROLLER ］ 21.1.8 BUCKET DIGGING ANTI-CAVITATION CONTROL 21-16 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 18 21-17 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 19: Swing Priority Control

    ［ 21. MECHATRO CONTROLLER ］ 21.1.9 SWING PRIORITY CONTROL 21-18 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 20 (5) ion by priority, and operated by the recirculated oil, making the operation with minimum speed drop possible. 21-19 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 21: Travel Straight Control

    ［ 21. MECHATRO CONTROLLER ］ 21.1.10 TRAVEL STRAIGHT CONTROL 21-20 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 22 Outputs switching pressure according to the high priority select pressure in the attachment system operating pilot pressure during operation. P2 pump proportional valve Outputs switching pressure according to the high priority select in the travel operating pilot pressure during operation. 21-21 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 23: Pressure Release Control

    ［ 21. MECHATRO CONTROLLER ］ 21.1.11 PRESSURE RELEASE CONTROL 21-22 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 24 (4) Each pump delivery oil is unloaded to tank passage enabling for the remained pressure (trapped pressure) to be released by operating each control lever and switching spool with the unload valve opened. 21-23 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 25: N&B Switch Control (Option)

    ［ 21. MECHATRO CONTROLLER ］ 21.1.12 N&B SWITCH CONTROL (OPTION) 21-24 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 26 It is in normal when there is an output from sensor in breaker mode, and in cases of other than above, error display is output to gauge cluster. 21-25 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 27: Option Conflux Control (Option)

    ［ 21. MECHATRO CONTROLLER ］ 21.1.13 OPTION CONFLUX CONTROL (OPTION) 21-26 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 28 (5) The parallel passage on P2 side is connected to P1 port because of the travel straight valve switched and P1 pump delivery oil confluxes P2 pump delivery oil because of the P2 unload valve switched. 21-27 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 29: Mechatro Controller

    ［ 21. MECHATRO CONTROLLER ］ 21.2 MECHATRO CONTROLLER 21.2.1 SUMMARY OF MULTI DISPLAY Electro-hydraulic conversion information is displayed on the multi display of the gauge cluster. (1) Controls (2) Gauge cluster 21-28 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 30 The logic is, when the fuel consumption value is 90 % or less of the fuel consumption value of relief operation at H mode, the green mark turns on (common logic in each mode). 21-29 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 31 "Digging", "Nibbler" and "Breaker". Before the working, confirm whether appropriate attachment had been selected. 1. Digging mode switch 2. Nibbler mode switch 3. Breaker mode switch 21-30 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 32 Set the flow rate and relief pressure in accordance with next procedure. And these setting values in above adjustment are selectable by using after-mentioned "Flow rate and Relief pressure Selection". 21-31 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 33 (2) to set. (If you fail to press front (toe side) of optional right pedal, 0MPa is displayed.) 11. Then, the display returns to "SERVICE ADJUST 1-2" screen (c). 21-32 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 34 (2) to set. (If you fail to press front (toe side) of optional right pedal, 0MPa is displayed.) 10. Then, the display returns to "SERVICE ADJUST 1-2" screen (c). 21-33 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 35 When the display is "OPTION SETTING" display (e), move cursor to desired flow rate. And press the menu switch to set target flow rate. If there is no switch operation for 20 seconds, this display returns to main display. 21-34 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 36 The maintenance screen changes each time the screen change switch is pressed. Remaining time display to the engine oil change This display shows the remaining time of "INTERVAL, REMAINING TIME, EXCHANGE DAY". 21-35 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 37 -For the setting procedure of maintenance time to be performed to the coming oil change in each type and filter replacement, see the 21.2.6 SET PROCEDURE OF MAINTENANCE SCHEDULE. 21-36 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 38 To reset these values, press "Menu Switch" (8). Press "Screen Change Switch" (1) and the display returns to main screen (a). Use the indicated "Average Fuel Efficiency" for reference. 21-37 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 39 When abnormality is detected on mechatro system like sensor, proportional valve, etc., this displays error code. 1.3 Warning display: When machine was thrown into dangerous state, or was failed, displays warning contents with the symbol and statement. 21-38 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 40 Displays procedure for adjustment of mechatro system like output adjustment and unload adjustment, etc. Service diagnosis display : Displays information like pressure sensor sensed value, proportional valve command, etc. output by mechatro controller 21-39 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 41 Press "UP" switch (3), and it points "ON" of display (e). Press menu switch (2), and rearview camera is set. After that screen returns to "SERVICE ADJUST 1-2" (c). Turn off starter key switch. 21-40 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 42 Make sure that CAMERA 1 SETTING in SERVICE ADJUSTMENT1-2 screen is ON, Setting of camera Check the setting. and CAMERA 2 and CAMERA 3 SETTING are OFF. 21-41 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 43: Self Diagnosis Display

    (2) I/O configuration (3) Self diagnosis display items As-displayed clock (Usually main screen). When error occurred, specifies failed section and the failure type with the aid of error code. 21-42 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 44 ［ 21. MECHATRO CONTROLLER ］ 21-43 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 45 ［ 21. MECHATRO CONTROLLER ］ 21-44 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 46: Service Diagnosis Display Function

    Service diagnosis number advances from No.3 to No.1, and then returns to No.3. (No.3-->No.2-->No.1-->No.3-->...) 4. Turn key switch OFF and the display of service diagnosis mode is closed. 21-45 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 47 The service diagnosis display screen list is shown below. The conditions for display are H mode, engine low speed and lever to neutral position.) Service diagnosis mode No.1 21-46 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 48 ［ 21. MECHATRO CONTROLLER ］ 21-47 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 49 ［ 21. MECHATRO CONTROLLER ］ 21-48 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 50 ［ 21. MECHATRO CONTROLLER ］ Service diagnosis mode No.2 Service diagnosis mode No.3 21-49 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 51 3.0 M BOOM LOWER 0.0 M BOOM LOWER 0.0 M ENG SPEED 1970 to 2030 ENG SPEED 1970 to 2030 POWER SHIFT 0 mA POWER SHIFT 0 mA 21-50 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 52 BOOM RAISE 0.0 M SWING 0.0 M SWING 0.0 M ENG SPEED 1970 to 2030 ENG SPEED 1970 to 2030 POWER SHIFT 0 mA POWER SHIFT 0 mA 21-51 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 53 BOOM RAISE 0.0 M SWING 3.0 M SWING 3.0 M ENG SPEED 1970 to 2030 ENG SPEED 1970 to 2030 POWER SHIFT 0 mA POWER SHIFT 0 mA 21-52 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 54 0.0 M BUCKET DUMP 3.0 M BUCKET DUMP 3.0 M ENG SPEED 1970 to 2030 ENG SPEED 1970 to 2030 POWER SHIFT 0 mA POWER SHIFT 0 mA 21-53 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 55 Pi-P1 0.0 M Pi-P2 0.0 M Pi-P2 0.0 M ENG SPEED 1970 to 2030 ENG SPEED 1970 to 2030 POWER SHIFT 0 mA POWER SHIFT 0 mA 21-54 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 56: Trouble History Diagnosis

    Press work mode change switch and buzzer stop switch simultaneously for 5 seconds or more. When "NO ERROR" is displayed, the deletion is completed. Turn starter switch off. All the stored items are erased. It is impossible to erase data partially. 21-55 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 57: Set Procedure Of Maintenance Schedule

    4. The hydraulic oil change time is displayed on the multi-display by 5000 hours as a warning, but the buzzer does not sound. 21-56 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 58 ［ 21. MECHATRO CONTROLLER ］ 21-57 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 59: Adjusting Procedure Of Display

    Press "Menu Switch" (8) to set the status. At this time, the background color of "ON" turns to be black. Turn "OFF" the starter key switch once to store the status of "AUTO IDLE STOP". 21-58 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 60 After adjustment, press "Menu Switch". And the adjusted values are stored as memory and clock setting is completed. Press " Screen Change Switch", and the display returns to main display (a). 21-59 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 61 After adjustment, press "Menu Switch" and the adjusted values are stored as memory and "CONTRAST" setting is completed. Press "Screen Change Switch", and the display returns to main display (a). 21-60 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 62 After adjustment, press "Menu Switch" (8) to store the desired value as memory and at this time, the background color of "value" turns to be black. Press "Screen Change Switch" (1), and the display returns to main screen (a). 21-61 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 63 After adjustment, press "Menu Switch" (8) to store the desired value as memory and at this time, the background color of "value" turns to be black. Press "Screen Change Switch" (1), and the display returns to main screen (a). 21-62 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 64 ON/OFF of rearview camera 2 display Camera 3 setting ON/OFF of rearview camera 3 display Fuel efficiency graph ON/OFF of fuel efficiency graph display Logo setting ON/OFF of company logo display 21-63 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 65: Mechatro Control Equipment

    ［ 21. MECHATRO CONTROLLER ］ 21.2.7 MECHATRO CONTROL EQUIPMENT (1) C-1 Mechatro controller Outside view List of connectors 21-64 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 66 ［ 21. MECHATRO CONTROLLER ］ 21-65 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 67 ［ 21. MECHATRO CONTROLLER ］ 21-66 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 68 ［ 21. MECHATRO CONTROLLER ］ 21-67 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 69 ［ 21. MECHATRO CONTROLLER ］ 21-68 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 70 LCDs and actuates the buzzer. It outputs coolant temperature signals, fuel level signals and panel switch signals to the mechatro controller through the communication port. 21-69 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 71 Work mode select switch Digging mode switch Nibbler mode switch Breaker mode switch Up arrow switch Down arrow switch Next arrow switch Back arrow switch Back light 21-70 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 72 ［ 21. MECHATRO CONTROLLER ］ (3) Relay & fuse box (symbol E-1) General view 21-71 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 73 ［ 21. MECHATRO CONTROLLER ］ Circuit diagram 21-72 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 74 ［ 21. MECHATRO CONTROLLER ］ 21-73 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 75 ［ 21. MECHATRO CONTROLLER ］ 21-74 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 76 ［ 21. MECHATRO CONTROLLER ］ (4) High pressure sensor: LS52S00015P1 (5) Low pressure sensor: LC52S00019P1 21-75 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 77 ［ 21. MECHATRO CONTROLLER ］ 21-76 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 78 22.6 BUCKET CIRCUIT………………………………………………………………………………………………22-12 22.7 BOOM CIRCUIT …………………………………………………………………………………………………22-14 22.8 SWING CIRCUIT ………………………………………………………………………………………………22-18 22.9 ARM CIRCUIT …………………………………………………………………………………………………22-20 22.10 COMBINED CIRCUIT …………………………………………………………………………………………22-26 22.11 PRESSURE DRAINING ………………………………………………………………………………………22-30 Book Code No. S5YN2246E02 22-1 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 79: ［ 22. Hydraulic System

    Issue Date of Issue Applicable Machines Remarks S5YN2246E01 First edition June, 2013 SK210LC-9 : YQ13-10001~ (NA) S5YN2246E02 Revision October, 2013 SK210LC-9 : YQ13-10001~ (North America / Europe) 22-2 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 80 FUNCTION AND FEATURES OF HYDRAULIC CIRCUIT The hydraulic circuits are built up with the following functions and features in order to achieve easy operability, safety, mass volume handling and low fuel consumption. 22-3 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 81: Hydraulic Circuits And Components

    YF30V00013F2 (North America) Shuttle valve YB26V00001F1 (Europe) By-pass valve YN30V00114F1 (Europe) The part numbers may be changed due to modification, so use only the numbers for references. 22-4 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 82 ［22. HYDRAULIC SYSTEM］ 22.2.1 STANDARD (North America) 22-5 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 83 ［22. HYDRAULIC SYSTEM］ 22-6 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 84 ［22. HYDRAULIC SYSTEM］ 22.2.2 STANDARD (Europe) 22-7 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 85: Color Coding Standard For Hydraulic Circuits

    (652) is (1) Type: moved leftward by the feedback lever. Electric flow controlled variable displacement pump. The operation is maintained until the opening of 22-8 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 86 ［22. HYDRAULIC SYSTEM］ NEUTRAL CIRCUIT : Positive control function at safety lock lever down (unlocked position) 22-9 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 87: Travel Circuit

    High/Low 2 step speed change mechanism and which has exerted on PCb and PCa ports auto 1st speed return at high load. switches the unloading spool in CLOSE side. Travel parking brake. 22-10 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 88 ［22. HYDRAULIC SYSTEM］ TRAVEL CIRCUIT : Travel 2nd speed, RH & LH simultaneous operation. 22-11 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 89: Bucket Circuit

    (2) and shifts the travel With the function of pilot circuit, the oil flow is straight valve. switched from bucket spool, and is fed into 22-12 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 90 ［22. HYDRAULIC SYSTEM］ BUCKET CIRCUIT : Bucket digging (Travel straight conflux), Auto-accelation and Standby flow rate constant control 22-13 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 91: Boom Circuit

    P1 pump internally. The return oil from boom cylinder R side flows into tank circuit through boom spool from C/V (2) Bb port. 22-14 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 92 ［22. HYDRAULIC SYSTEM］ BOOM CIRCUIT : Boom up operation, Confluence function. 22-15 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 93 (H) to the boom spool is held and makes the leak from the boom spool zero. Thus the boom cylinder is prevented from making a natural fall. 22-16 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 94 ［22. HYDRAULIC SYSTEM］ BOOM CIRCUIT : Boom down operation & Prevention of natural boom falling. 22-17 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 95: Swing Circuit

    (SV-1) is excited the moment the pressure of the arm in low pressure sensor (SE-7) is reduced to zero. This causes the mechanical brake to operate. 22-18 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 96 ［22. HYDRAULIC SYSTEM］ SWING CIRCUIT : Swing operation (LH) 22-19 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 97: Arm Circuit

    LCa and is flowed into arm 1 spool. On the other hand, P1 pump delivery oil flows in P1 port of C/V (2), and the flows in travel straight 22-20 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 98 ［22. HYDRAULIC SYSTEM］ ARM CIRCUIT : Arm in (Light load) operation, Arm variable recirculation & Anti cavitation function 22-21 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 99 Aa port of C/V(2). The return oil from arm cylinder (R) side flows in Ba port of C/V(2) and is flowed to arm lock valve 22-22 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 100 ［22. HYDRAULIC SYSTEM］ ARM CIRCUIT : Arm in (Heavy load) operation, Arm confluence & recirculation cut function 22-23 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 101 22.9.7 NATURAL FALL PROTECTION WITH ARM LOCK VALVE (1) Purpose: To prevent the arm from falling naturally by the 22-24 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 102 ［22. HYDRAULIC SYSTEM］ ARM CIRCUIT : Arm out operation, Confluence function 22-25 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 103: Combined Circuit

    (In travel straight operation, P1 pump delivery oil exerts on swing operation of attachment.) The delivery oil flowed into P2 tandem circuit of 22-26 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 104 ［22. HYDRAULIC SYSTEM］ COMBINED CIRCUIT : Boom up & Travel forward 1st speed operation, Travel straight function. 22-27 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 105 The conflux oil of P1 and P2 delivery oil in high pressure flows in swing side taking priority over all others. This operation is called "Swing Priority Circuit". 22-28 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 106 ［22. HYDRAULIC SYSTEM］ COMBINED CIRCUIT : Swing / Arm in operation, swing priority function 22-29 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

  • Page 107: Pressure Draining

    "MENU" switch. Screen of gauge cluster changes to ordinary display, and "DRAINING HYD. PRESS." is appeared. (3) Operation: Pump proportional valve reduces the pump flow 22-30 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 108 ［22. HYDRAULIC SYSTEM］ PRESSURE DRAIN (RELEASE) CIRCUIT : At pressure release mode. 22-31 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 109 ［22. HYDRAULIC SYSTEM］ 22-32 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 110 23.5.14 FLASHER LAMP INSTALL ……………………………………………………………………………23-109 23.5.15 TRAVEL ALARM ASSY …………………………………………………………………………………23-109 23.5.16 CAMERA INSTAL ………………………………………………………………………………………23-110 23.5.17 FUEL PUMP ASSY ………………………………………………………………………………………23-111 23.5.18 SEAT INSTALL ……………………………………………………………………………………………23-112 Book Code No. S5YN2346E02 23-1 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 111 Issue Date of Issue Applicable Machines Remarks S5YN2346E01 First edition June, 2013 SK210LC-9 : YQ13-10001~ (NA) S5YN2346E02 Revision October, 2013 SK210LC-9 : YQ13-10001~ (North America / Europe) 23-2 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 112 ［23. ELECTRICAL SYSTEM］ 23.1 ELECTRIC CIRCUIT DIAGRAM (North America) 23-3 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 113 ［23. ELECTRICAL SYSTEM］ 23-4 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 114 ［23. ELECTRICAL SYSTEM］ 23-5 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 115 ［23. ELECTRICAL SYSTEM］ 23-6 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 116 ［23. ELECTRICAL SYSTEM］ 23-7 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 117 ［23. ELECTRICAL SYSTEM］ 23-8 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 118 ［23. ELECTRICAL SYSTEM］ 23-9 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 119 ［23. ELECTRICAL SYSTEM］ 23-10 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 120 ［23. ELECTRICAL SYSTEM］ 23-11 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 121 ［23. ELECTRICAL SYSTEM］ 23-12 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 122 ［23. ELECTRICAL SYSTEM］ 23.2 ELECTRICAL EQUIPMENT LIST (North America) 23-13 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 123 ［23. ELECTRICAL SYSTEM］ 23-14 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 124 ［23. ELECTRICAL SYSTEM］ 23.3 ELECTRIC CIRCUIT DIAGRAM (Europe) 23-15 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 125 ［23. ELECTRICAL SYSTEM］ 23-16 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 126 ［23. ELECTRICAL SYSTEM］ 23-17 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 127 ［23. ELECTRICAL SYSTEM］ 23-18 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 128 ［23. ELECTRICAL SYSTEM］ 23-19 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 129 ［23. ELECTRICAL SYSTEM］ 23-20 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 130 ［23. ELECTRICAL SYSTEM］ 23-21 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 131 ［23. ELECTRICAL SYSTEM］ 23-22 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 132 ［23. ELECTRICAL SYSTEM］ 23-23 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 133 ［23. ELECTRICAL SYSTEM］ 23-24 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 134 ［23. ELECTRICAL SYSTEM］ 23.4 ELECTRICAL EQUIPMENT LIST (Europe) 23-25 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...
  • Page 135 ［23. ELECTRICAL SYSTEM］ 23-26 Copyright © 2015 Kobelco Construction Machinery Co.,Ltd. All rights reserved. [S5YN0046E03] [0109CsCshWbYs]...

Table of Contents

Save PDF