A4 Print_Pictures_EC220D-EC350D B to D Step1_GB

7/25/2019 A4 Print_Pictures_EC220D-EC350D B to D Step1_GB

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1761759 - EC220D-EC350D B to D Step 1

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1761762 - Overview - Machine serial number

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1761765 - Overview - Improvement and Changes

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1761768 - Overview - Machine (EC250D-EC300D)

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5/2791761771 - Overview - Machine (EC350D)

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6/2791761774 - Overview - Machine (EC220D)

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1761777 - Change - Cab

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1761780 - Overview - Cab (Conventional type)

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1761783 - Overview - Engine

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1761786 - Change - Extra water separator

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1761789 - Change - Cooler arrangement

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1761792 - Overview - IECU

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1761795 - Overview - ECO mode

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1761798 - Overview - Work mode refine

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1761801 - Overview - Electronic control system

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1761804 - Overview - Electric system

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1761807 - Negative vs. Positive - Flow control

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1761810 - Overview - EH pump control

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1761813 - Overview - Grading & Lifting control

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1761815 - Conflux in F-mode

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1761818 - Change - Fuel level sensor position

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1761821 - Change - Overload warning system

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1761824 - Boom float position with holding function

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1761827 - X1 & X3 slide switch - Proportional control

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1761830 - X1 electric pedal - Proportional control

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1761833 - Change - Electric pedals

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1761836 - Overview - Joystick & pedal

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1761838 - Overview - Aircon system

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1761841 - Change - Servo system

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1761844 - Negative vs. Positive - Main pump

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1761846 - Negative vs. Positive - MCV

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1761848 - Change - MCV for X1 pressure control

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1761854 - Overview - Cooling system

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1761857 - Other changes

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Ch ll th t t t t f ECO d


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1761860 - Choose all the correct statements for ECO mode.

ECO mode can be activated in F-mode.

ECO mode cannot be activated in H-mode to give powerfulperformance.

In ECO mode, the F-mode power boost is not available forbetter fuel efficiency.

ECO mode is selectable by switching on or off on the keypad.

ECO mode is used on EC220D-EC350D.

ECO mode can be activated in all modes.

Choose all the correct statements for ECO mode.

Choose all the correct statements for ECO mode.

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Which statement is true?


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1761862 - Which statement is true?

There are 2 flow sensing valves on the MCV.

There are 1 power shift valve on the main pump.

In G4mode, the travel 2nd speed is not available.

There are the proportional PWM valves for the boom upconflux and the straight travel control.

In F-mode, Boom up conflux is cut off.



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The hydraulic pedal can be used for X1 system.

The batteries are located in front of the radiator onEC350D

The cooler arrangement is CAC-Oil cooler-Radiator on D6E.

There are the conflux cut-off solenoid valves for theoperations, Arm In, Arm Out and Boom Up.

The fan clutch can be used on EC250D-EC350D.



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Select correct match of engine with machine?


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1761866 - Select correct match of engine with machine?

EC250D ( D6 )

EC350D ( D8 )

EC220D ( D4 )

EC300D ( D8 )



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1761868 - Engine system

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Engine Model

Type

Displacement

4 cycle diesel

Turbocharger with wastegateCooled External EGR6 cylinder, Vertical in line

SILENCER

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1761871 - Engine (D8K)

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1761874 - Fan clutch (D8K)

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SILENCER

Engine Model

Type

Displacement

4 cycle diesel

Turbocharger with wastegateInternal EGR6 cylinder, Vertical in line

ENGINE ECU

EMS2.2

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1761877 - Engine (D7E)

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SILENCER

Engine Model

Type

Displacement

4 cycle diesel

Turbocharger with wastegateInternal EGR

6 cylinder, Vertical in line

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1761880 - Engine (D6E)

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1761883 - Preheating control

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1761889 - Engine protection function (D8K)

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1761892 - Engine protection function (D4E/D6E/D7E)

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1761895 - Engine protection function (additional)

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Choose all the components which the D8K engine has.


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1761898 - Choose all the components which the D8K engine has.

E-EGR actuator (MO2505)

CAC temperature sensor (SE2512)

Fan clutch (PWM2602/SE2604)

I-EGR solenoid valve (MA2504)

Choose all the components which the D8K engine has.

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1761903 - Start circuit

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(EC220D)

1761906 - Start circuit components location

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1761909 - Key & main fuse

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1761915 - Distribution box

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1761918 - Distribution box circuit

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(EC220D)

1761924 - Electronic control system components

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1761927 - VECU

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1761930 - VECU input & output

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1761942 - Sensors (IECU)

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1761948 - Slide switch type joystick

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1761954 - Electric pedal (Double acting)

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1761960 - PWM valve (X1 flow control)

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1761969 - Electrical system - Functions

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1761972 - Engine speed & work mode control

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1761981 - EH pump control (Flow demand P1)

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1761984 - EH pump control (Flow demand P2)

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1761987 - EH pump control (Flow demand - Travel straight)

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1761990 - EH pump control (Neutral compensation)

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1761993 - EH pump control (Torque compensation)

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1761999 - EH pump control (Error case)

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04:54

1800

1762002 - ECO mode

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1762004 - ECO mode (Swing flow limit)

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1762013 - ECO mode (Flexible Pi-Q curve)

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1762016 - Limp Home Control

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1762019 - Manual mode

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1762022 - Safe start & stop

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1762025 - Starter lock

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1762031 - Automatic engine shut-down

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1762034 - Torque reduction at high altitude

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1762040 - Conflux cut-off

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1762047 - Cooling system (Fan clutch)

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1762050 - Cooling system (Direct fan & Hydraulic fan)

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1762053 - Cooling system (Tropical option)

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1762059 - Overload warning

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1762065 - X3 control (2-switch)

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1762077 - X1 control (Proportional switch & Electric pedal - Double acting)

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1762095 - ECU communication failure

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The hydraulic oil temperature is connected to the V-ECU.

The work mode switch is connected to the E-ECU.

V-ECU gives the control current to the fan clutch forthe fan speed control (EC350D)

Choose all the correct statements.

Choose all the correct statements.


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1762101 - Choose all the correct statements.

the fan speed control (EC350D).

The fuel level sensor is connected to the E-ECU.

The ECO mode is one of the sub system of the engine system.

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1100 rpm

900 rpm

How high is the rpm right after pushing down the control lockout lever?

How high is the rpm right after pushing down the control lockout lever?


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1762105 - How high is the rpm right after pushing down the control lock

1000 rpm

800 rpm

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The flow rate for Boom Up is reduced as Arm In pilot pressureincreases.

The Boom 2 spool can be used for Boom Up and X1 at thesame time.




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Normally P2 pump supplies oil for X1 operation.

The Arm 2 spool can be used for X1 operation.

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1762116 - Overview - Swing drive unit

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1762118 - Swing drive unit (EC250D-EC300D)

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1762121 - Swing drive unit external view (EC250D-EC300D)

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1762124 - Swing motor sectional view (EC250D-EC300D)

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1762127 - Swing gear box sectional view (EC250D-EC300D)

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1762130 - Power transmission - Swing (EC350D)

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1762133 - Swing drive unit (EC350D)

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1762136 - Swing drive unit external view (EC350D)

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1762139 - Swing motor sectional view (EC350D)

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1762142 - Swing gear box sectional view (EC350D)

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1761195 - Power transmission - Swing (EC220D)

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1761185 - Swing drive unit external view (EC220D)

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1761188 - Swing motor sectional view (EC220D)

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1761225 - Relief valve operation

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1761222 - Rebound damping valve operation

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1761261 - Power transmission - Travel (EC250D SN: 270026 ~ )

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1761254 - Track drive unit (EC250D)

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1761251 - Track drive unit external view (EC250D)

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1761576 - Power transmission - Travel (EC250D SN:270011 ~ 270025)

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1761573 - Track drive unit external view

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1761570 - Track motor sectional view

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1761242 - Power transmission - Travel (EC300D)

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1761229 - Track drive unit external view (EC300D)

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1761232 - Track motor sectional view (EC300D)

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1761235 - Track gear box sectional view (EC300D)

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1761392 - Track gear box sectional view (EC350D)

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1761278 - Power transmission - Travel (EC220D)

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1761288 - Power transmission - Travel (Valve Operation)

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1761297 - Reducing valve operation (EC300D-EC350D)

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1761294 - Speed change (EC300D-EC350D)

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1761282 - Speed change (EC220D-EC250D)

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1761378 - Turning joint

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1761311 - Frame & track unit

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1761317 - Upper frame

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1761305 - Track link

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1761083 - Aircon system

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1761089 - Aircon system overview

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1761086 - Aircon circuit animation

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1761104 - AC compressor

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1761098 - Evaporator & expansion valve

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1761092 - Actuators

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1761095 - Sensors

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1761110 - Diesel heater layout

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1761520 - Hydraulic system (EC250D-EC300D)

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1761535 - Hydraulic circuit OPT 1

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1761461 - Hydraulic circuit OPT Full

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EC250D/EC300D

1761523 - Hydraulic circuit animation (EC250D-EC300D)

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1761449 - Hydraulic components location (EC250D-EC300D)

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1761532 - Hydraulic pump (EC220D-EC350D)

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1761529 - Overview - Main pump

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1761443 - Pump external view

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1761446 - Pump sectional view

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1761440 - Regulator sectional view

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1761437 - Regulator animation

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1761434 - Gear pump

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1761526 - Main control valve (EC250D-EC300D)

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1761419 - Overview - Main control valve

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1761483 - MCV external view (Basic machine)

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1761480 - MCV external view (Pressure preset)

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1761477 - MCV animation (EC250D-EC300D)

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1761431 - Main relief valve operation

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1761428 - Main relief valve pressure adjustment

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1761425 - Port relief valve operation

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1761562 - 2 stage port relief valve sectioanl view

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- Low pressure

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1761559 - 2 stage port relief valve operation

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1761422 - 2 stage port relief valve adjustment

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1761565 - Option port relief valve for pressure preset (BK28)

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1761486 - Hydraulic operation (EC250D-EC300D)

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1761492 - Boom up operation

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1761489 - Boom down operation

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1761495 - Arm in operation

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1761498 - Arm out operation

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1761501 - Arm & Boom operation

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1761504 - Arm & Swing operation

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1761507 - Bucket curl operation

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1761510 - Bucket dump operation

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1761516 - Straight travel

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1761513 - X1 circuit animation (EC220D-EC350D)

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The main pump circuit

The track motor circuit

The swing motor circuit

The main control valve circuit

On the hydraulic circuit, what component circuit of is different between EC250D and EC300D?

On the hydraulic circuit, what component circuit of is different between EC250D and EC300D?


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1761475 - On the hydraulic circuit, what component circuit of is different between EC250D and EC300D?239

In the Bucket spool, there is a regeneration check valve.

In the Boom 1 spool, there is a regeneration check valve.

In the Arm 1 spool, there is a regeneration check valve.

The 'bucket in' function can use partial conflux flow.

Choose all the correct statements for the hydraulic system.

Choose all the correct statements for the hydraulic system.


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1761473 - Choose all the correct statements for the hydraulic system.240

The straight travel signal

One of the swing signals

One of the 'Arm in' signals

One of the 'Boom up' signals

There are the Swing priority valve and the Arm regeneration valve. Choose the 2 signals that can switch both valves?

There are the Swing priority valve and the Arm regeneration valve. Choose the 2 signals that can switch both valves?


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1761471 - There are the Swing priority valve and the Arm regeneration valve. Choose the 2 signals that can switch both valves?241

One of the signals reduces hydraulic flow to the Bucket spool.

One of the signals reduces the hydraulic flow to Arm 2 spool.

One of the signals switches the Boom 2 spool.

One of the signals switches the Centre bypass valve on the main control valve (P2 side).

One of the signals restricts the Bucket return line.

One of the signals reduces hydraulic flow to the Swing spool.

One of the signals cuts off the signal to the Arm 2 spool.

One of the signals switches the Boom 1 spool.

Choose all the correct statements for the signals of the Boom up function.

Choose all the correct statements for the signals of the Boom up function.


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1761469 - Choose all the correct statements for the signals of the Boom up function.242

One of the signals opens the Arm holding valve.

One of the signals releases the swing brake.

One of the signals switches the Arm 2 spool.

One of the signals cuts off the signal to the Boom 2 spool.

One of the signals switches the Center bypass valve on the main control valve (P1 side).

One of the signals switches the Arm 1 spool.

One of the signals reduces hydraulic flow to the Swing spool.

Choose all the correct statements for the signals of the Arm in function (not in F-mode).

Choose all the correct statements for the signals of the Arm in function (not in F-mode).


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1761467 - Choose all the correct statements for the signals of the Arm in function (not in F-mode).243


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1761115 - Hydraulic system (EC350D)

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1761121 - Hydraulic system overview (EC350D)

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1761130 - Hydraulic circuit STD

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EC350D

1761118 - Hydraulic circuit animation (EC350D)

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1761136 - Hydraulic components location (EC350D)

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1761127 - Main control valve (EC350D)

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1761139 - MCV animation (EC350D)

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1761322 - Hydraulic system (EC220D)

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1761334 - Hydraulic system overview (EC220D)257


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1761328 - Hydraulic circuit STD

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EC220D

1761325 - Hydraulic circuit animation (EC220D)

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1761359 - Hydraulic components location (EC220D)

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1761346 - Main conrol valve (EC220D)

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1761340 - MCV external view (Pressure preset)

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1761337 - MCV animation (EC220D)

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1761153 - Hydraulic system (Common)

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1761156 - Cylinder

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1761159 - Cushion operation

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1761162 - Joystick

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1761165 - Travel pedal

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1761168 - Boom & Arm

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1761171 - Option pedal

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1761175 - X3 control valve - On/Off

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1761178 - X3 control valve - Proportional

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A4 Print_Pictures_EC220D-EC350D B to D Step1_GB

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