Note: Your machine may not be equipped with all of the controls that are described in this topic.
Cat Grade Control (If Equipped)
Cat Grade Control is designed to calculate bucket tip position and provide visual and audible feedback to the operator. This feedback allows the operator to achieve the desired grade safer, quicker and more accurately than traditional grading techniques.
For information on how to use Cat Grade Control, refer to Operation and Maintenance Manual, SEBU8358, "Cat Grade Control Depth and Slope for E Series Excavators".
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| Illustration 1 | g02043634 |
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(1) Hydraulic lockout control
(2) Travel controls (3) Service hour meter (4) Monitor (5) Joystick controls (6) Backup controls (7) Engine start switch (8) Right side control panel (9) Operator seat (10) Air conditioning and heating control (11) Radio | |
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| Illustration 2 | g03682407 |
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(12) Engine speed control
(13) Power mode (14) Travel speed control (15) Automatic engine speed control (AEC) (16) Travel alarm switch (17) Work tool control (18A) Heavy lift control (18B) Shovel crane control (19) Window washer (20) Window wiper (21) Light switch (22) Rear view camera (23) Quick coupler control (24) Empty (25) Radio mute (26) Lower window wiper (27) Lower window washer (28A) Boom pressure control switch (28B) Fine swing control (29) Overload warning device | |
The lever for the hydraulic lockout control is located at the left side of the left console.
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Locked - Move the travel levers/pedals and move the joysticks to the HOLD (center) position. Move the lever for the hydraulic lockout control backward to the LOCKED position. All of the factory installed hydraulic controls will become inoperable. |
Note: Make sure that the lever for the hydraulic lockout control is in the LOCKED position before attempting to start the engine. If the lever is in the UNLOCKED position, the engine start switch will not function.
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Unlocked - Move the lever for the hydraulic lockout control forward to the UNLOCKED position. All of the factory installed hydraulic controls will become operable. |
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| Illustration 3 | g00753277 |
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Position for normal travel (A) Rear of machine (B) Final drive (C) Idler | |
When you travel, make sure that final drive sprockets (B) are under the rear of the machine.
Stop - Release the travel levers/pedals in order to stop the machine. When you release the travel levers/pedals from any position, the travel levers/pedals will return to the CENTER position. The travel brakes will be applied.
Move both of the travel levers or both of the travel pedals equally in the same direction in order to travel straight.
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| Illustration 4 | g00731542 |
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Forward travel | |
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| Illustration 5 | g00731543 |
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Reverse travel | |
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| Illustration 6 | g00731472 |
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Pivot left turn (Forward) | |
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| Illustration 7 | g00731478 |
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Pivot Left Turn (Reverse) | |
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| Illustration 8 | g00731476 |
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Counterrotate turn (Left) | |
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| Illustration 9 | g00731471 |
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Pivot right turn (Forward) | |
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| Illustration 10 | g00731479 |
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Pivot right turn (Reverse) | |
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| Illustration 11 | g00731477 |
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Counterrotate turn (Right) | |
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Service Hour Meter - This display indicates the total operating hours of the engine. Use the display to determine the service hour maintenance intervals. |
The monitor is used in order to display various operating information of the machine. For more information on the operation of the monitor, refer to Operation and Maintenance Manual, "Monitoring System".
The joystick control is used to control the functions of the machine implements. For more information on the individual functions of the joysticks, refer to Operation and Maintenance Manual, "Joystick Controls".
Backup Controls (If Equipped) (6)
If equipped, the backup switches are located behind the panel on the right side.
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| Illustration 12 | g02048316 |
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(6A) Automatic/Manual Engine Speed Control
(6B) Manual Fast/Manual Slow Engine Speed Selection | |
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Engine Speed Control - By utilizing these switches, the engine speed can be controlled manually by the operator. The engine speed can also be controlled automatically by the electronic controller. |
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Automatic - When the electronic control system is functioning properly, backup switch (6B) should be in this position. |
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Manual - If a problem occurs in the electronic control system, move backup switch (6B) to this position in order to disconnect the controller circuit of the electronic controller system. In this condition, the machine can be operated at a reduced ratio of pump output on a temporary basis. "BACK UP SWITCH ON" will appear on the message display. |
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Fast Engine Speed - Move backup switch (6A) to this position in order to increase the engine speed. This backup switch will not operate if backup switch (6B) is not in the MANUAL position. When the switch is released, the switch returns to the NEUTRAL position and the machine will maintain the engine speed. This switch overrides the function of the engine speed dial. |
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Slow Engine Speed - Move backup switch (6A) to this position in order to decrease the engine speed. This backup switch will not operate if backup switch (6B) is not in the MANUAL position. When the switch is released, the switch returns to the NEUTRAL position and the machine will maintain the engine speed. This switch overrides the function of the engine speed dial. |
| NOTICE |
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The engine start switch must be in the ON position and the engine must be running in order to maintain electrical functions and hydraulic functions. This procedure must be followed in order to prevent serious machine damage. |
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OFF - Insert the engine start switch key only while the start switch is in the OFF position. Remove the engine start switch key only while the engine start switch is in the OFF position. Turn the engine start switch to the OFF position before you attempt to restart the engine. Turn the engine start switch to the OFF position in order to stop the engine. |
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ON - To activate the electrical circuits in the cab, turn the key clockwise to the ON position. |
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START - To start the tractor engine, turn the key clockwise to the START position. After the engine starts, release the key. The key will return to the ON position. |
Note: If the engine fails to start, return the engine start switch key to the OFF position. Return the key to the start position before you attempt to start the engine again.
This function shuts down the engine after the operator is not operating the machine for a period of time. This function does not shut down other systems, such as the AC, which can run down the battery after idle shutdown. This function comes disabled from the factory but can be enabled and adjusted in the monitoring system. Refer to Operation and Maintenance Manual, "Monitoring System"
Note: Engine Idle Shutdown may be required for local regulations.
The Engine Idle Shutdown (EIS) shuts down the engine if the following conditions are met:
- The control lever is in neutral.
- The engine coolant temperature is greater than
70° C (158° F) . - The battery voltage is greater than 24.5V
- The engine speed is less than 2000 rpm.
- The ambient temperature range is between
0° C (32° F) and30° C (86° F) . - The Back Pressure Valve (BPV) is not working.
Note: If any service tests or calibrations are running the machine will not enter into engine idle shutdown.
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Engine Idle Shut down - The action lamp will illuminate and the monitor will display a message 20 seconds before the engine shuts down. An operator can cancel the shutdown by pressing a button on the monitor or move one of the controls. |
The operator seat and the console have various adjustments in order to meet a wide range of operators. For more information, refer to Operation and Maintenance Manual, "Seat".
Air Conditioning and Heating Control (10)
If equipped, the switch for the air conditioning and heating control is located on the right console.
The heater/air conditioner provides comfort for the operator that is working under various temperature conditions. For more information on the air conditioning and heater controls, refer to Operation and Maintenance Manual, "Air Conditioning and Heating Control".
This machine may be equipped with a radio. For more information, refer to Operation and Maintenance Manual, "Radio".
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Engine Speed - Turn the engine speed dial in order to control the engine speed (engine rpm). Select the desired position from the ten available positions. The selected position of the engine speed dial is indicated on the electronic monitor panel. |
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Decrease - Turn the engine speed dial counterclockwise in order to decrease the engine speed (engine rpm). |
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Increase - Turn the engine speed dial clockwise in order to increase the engine speed (engine rpm). |
Backup Method for Controlling Engine Speed
If the control system does not work due to a malfunction and the engine speed cannot be adjusted by the engine speed dial, the following method will allow you to adjust the engine speed temporarily. Make repairs as soon as possible.
Check the message display for any error messages. If the error message "ECM ERROR" is displayed, there is a problem in the electronic controller. See "Backup Controls (If Equipped) (6)".
If the engine speed cannot be adjusted by the engine speed dial and the indicator for the electronic controller does not come on, see "Backup Controls (If Equipped) (6)".
Note: Even if you cannot control the engine speed, you can turn the engine on and off with the engine start switch.
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Power Mode - Press this switch in order to active the power mode settings. The modes that can be selected are: "ECONOMY", "STANDARD" and "HIGH HYDRAULIC POWER". For more information, refer to Operation and Maintenance Manual, "Monitoring System". |
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Do not change the setting of the travel speed control switch while you travel. Machine stability may be adversely affected. Personal injury can result from sudden changes in machine stability. |
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Travel Speed Control Switch - Press the travel speed control switch in order to select automatic travel speed or low travel speed. When the engine start switch is on, the travel speed control switch is always set at the LOW SPEED position. Whenever the travel speed control switch is pressed, the travel speed changes. |
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LOW SPEED - Select the LOW SPEED position if you travel on rough surfaces or on soft surfaces or if you require a great drawbar pull. Also, select the LOW SPEED position if you are loading a machine onto a trailer or you are unloading a machine from a trailer. |
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AUTOMATIC - If you travel on a hard, level surface at a fast speed, select the AUTO position. |
Continuous driving at high speed should be limited to 2 hours. If you need to continue driving at high speed for more than 2 hours, stop the machine for 10 minutes. This process will cool down the travel drives before you resume driving.
Automatic Engine Speed Control (15)
The Automatic Engine Speed Control (AEC) automatically reduces engine speed when the machine is inactive. The AEC system is designed to reduce fuel consumption and noise. Lower engine speeds can also increase engine life.
The AEC system will be inoperable while the backup switch of the electronic controller system is in the MAN position.
The engine rpm will recover automatically to the setting of the engine speed dial when any hydraulic function is activated. The AEC system operates in three modes. Refer to Table 1 for a description of each mode.
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Automatic Engine Speed Control (AEC) - The Automatic Engine Speed Control switch is activated when the engine start switch is turned to the ON position. The indicator lamp will turn on. When you press the AEC switch, the function of the AEC switch changes from ON to OFF. The operator can choose from three possible modes for automatic engine speed control. Refer to Table 1 for more details. |
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| Illustration 13 | g02050056 |
The switch for manual low idle is on the right joystick.
Manual Low Idle - Activate the manual low idle in order to reduce the engine speed to approximately 970 rpm. Pressing the switch again will allow the engine speed to return to the original setting of the engine speed dial.
The manual low idle allows the operator to reduce the rpm without touching the engine speed dial. This is useful when the operator wants to reduce the engine speed in order to talk to someone or while the operator is waiting for a truck.
Operation of the automatic engine speed control depends on the position of the AEC switch and of the switch for manual low idle. The engine rpm will recover automatically to the setting of the engine speed dial when any hydraulic function is activated.
| AEC Mode | Position of AEC Switch | Setting of Engine Speed Dial | Position of Manual Low Idle Switch | Description of Mode |
| First stage | OFF | 3 to 10 | OFF | The electronic controller automatically reduces engine speed by 100 rpm after there has been no hydraulic demand for approximately 5 seconds. |
| Second stage | ON | 3 to 10 | OFF | The AEC system in the electronic controller will automatically reduce the engine rpm to approximately 970 rpm after there has been no hydraulic demand for approximately 5 seconds. |
| Manual low Idle | ON or OFF | 3 to 10 | ON | The engine speed is reduced to approximately 970 rpm. |
Travel Alarm Cancel Switch (16)
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Travel Alarm Cancel Switch - This switch is used to stop the travel alarm from sounding. Press the switch in order to stop the alarm. The indicator lamp will turn on. |
Note: The travel alarm is located under the hydraulic tank. The travel alarm will sound when the travel lever or the travel pedal is activated.
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Work Tool Control (Switch) - Press this switch in order to display the selected work tool on the monitor display. Press the switch repeatedly in order to change the selected work tool. |
Heavy Lift Control (18A) (If Equipped)
If equipped, push this switch in order to activate heavy lift mode. Also push this switch in order to deactivate heavy lift mode.
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Heavy Lift Mode - This work mode increases the relief pressure in the hydraulic circuit, which increases the hydraulic force that is available for lifting operations. The cylinder speed is slower when this mode is selected. |
Note: During normal excavation work, the heavy lift control must be in the OFF position.
| NOTICE |
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If this machine is used to lift objects within an area that is controlled by the European Directive "2006/42/EC", the machine must be equipped with a boom lowering control valve, a stick lowering control valve, and an overload warning device. |
Shovel Crane Control (18B) (If Equipped)
If equipped, push this switch in order to activate shovel crane mode. Also push this switch in order to deactivate shovel crane mode.
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Shovel Crane Mode - In some regions, regulations require a shovel crane configuration in order to lift certain objects. |
Refer to this Operation and Maintenance Manual, "Shovel Crane Control" for additional information.
Window Wiper and Window Washer (19-20)
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Window Washer (19) - Push the switch in order to activate the window washer. While the switch is depressed, the indicator light will come on and washer fluid will spray from the nozzle. The window wiper will also operate while the switch is depressed. After the switch is released for approximately 3 seconds, the window wiper will stop. |
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Window Wiper (20) - Push the switch in order to activate the window wiper. Whenever the switch is depressed, the mode of the window wiper will change according to the indicator light that is illuminated. |
6 Second Delay - When the window wiper switch is depressed one time, the first indicator light will turn on. The window wiper will operate intermittently at six second intervals.
3 Second Delay - When the window wiper switch is depressed two times, the second indicator light will turn on. The window wiper will operate intermittently at three second intervals.
Continuous Operation - When the window wiper switch is depressed three times, the first indicator light and the second indicator light will turn on. The window wiper will operate continuously.
OFF - When the window wiper switch is depressed four times, the indicator lights will turn off. The window wiper stops.
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If the wiper does not operate with the switch in the ON position, turn the switch off immediately. Check the cause. If the switch remains on, motor failure can result. |
| NOTICE |
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If the washer is used continuously for more than 20 seconds or used when no washer solution comes out, motor failure can result. |
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| Illustration 14 | g02049516 |
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| Illustration 15 | g02049520 |
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Light Switch - Push the switch in order to turn on the work lights. |
Whenever you push the switch, you change the pattern of the work lights that are turned on. The indicator lights in the cab indicate the pattern of the work lights.
Pattern 1 - When you press the light switch once, the first indicator light turns on. When the first indicator light is on, the following work lights are turned on: work light (D), which is mounted on the chassis, and work lights (F), which are mounted on the cab.
Pattern 2 - When you press the light switch twice, the first indicator light and the second indicator light turn on. When the first indicator light and the second indicator lights are on, the following work lights are turned on: work light (D), which is mounted on the chassis, work lights (F), which are mounted on the cab, and work lights (E), which are mounted on the boom.
OFF - When both of the indicator lights are off, all of the work lights are off.
Note: Your machine may be equipped with a lighting system that has a time delay. When this system is installed, cab lights (F) and boom lights (E) will not turn off for a predetermined amount of time after the engine start key has been turned to the OFF position. The time delay can vary from 0 seconds to 90 seconds. For further details, consult your Cat dealer.
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Rear View Camera - If equipped, push this switch in order to toggle the images that are shown on the monitor in the cab. For more information, refer to Operation and Maintenance Manual, "Monitoring System". |
Hydraulic Pin Grabber Quick Coupler
If equipped, the switch for the quick coupler control is located on the right console.
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LOCKED - Move the switch to this position in order to engage the quick coupler onto the work tool. |
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UNLOCKED - Move the switch for the quick coupler to the UNLOCKED position in order to extend the wedge. Use this position only during the coupling or uncoupling of the work tool. The hydraulic system is pressurized when the switch is in this position. |
Note: An alarm will sound whenever the switch is in the UNLOCKED or LOCKED position.
For further details, see Operation and Maintenance Manual, "Quick Coupler Operation".
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LOCKED - Move the switch to this position in order to retract the wedge and engage the quick coupler onto the work tool |
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UNLOCKED - Move the switch for the quick coupler to the UNLOCKED position in order to extend the wedge. Use this position only during the coupling or uncoupling of the work tool. The hydraulic system is pressurized when the switch is in this position. |
Note: An alarm will sound whenever the switch is in the UNLOCKED or LOCKED position.
For further details, see Operation and Maintenance Manual, "Quick Coupler Operation".
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Radio Mute Switch - If equipped, press the switch in order to mute the radio. The indicator lamp will turn on. |
Lower Window Wiper and Window Washer (26-27) (If Equipped)
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Lower Window Wiper (26) - Push down on the top of the switch in order to turn on the lower window wiper. Push down the bottom portion of the switch in order to turn off the lower window wiper. |
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Lower Window Washer (27) - Push down on the top of the switch and keep the switch depressed in order to activate the lower window washer. While the switch is depressed, the washer fluid will spray from the nozzle. |
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If the wiper does not operate with the switch in the ON position, turn the switch off immediately. Check the cause. If the switch remains on, motor failure can result. |
| NOTICE |
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If the washer is used continuously for more than 20 seconds or used when no washer solution comes out, motor failure can result. |
Boom Pressure Control (28A) (If Equipped)
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Boom Pressure Control - If equipped, press the switch in order to turn on the boom control pressure function. The boom pressure control function improves controllability for low load operation such as raking up rocks by reducing vibration and shock. |
Fine Swing Control (28B) (If Equipped)
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The Fine Swing Control delays the engagement of the swing parking brake. If the machine is operating on a slope with the Fine Swing Control in the ON position, the swing motion may become uncontrollable which could result in property damage, personal injury or death. Turn the Fine Swing Control to the OFF position when the machine is operating on a slope. |
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Fine Swing Control - If equipped, push down on the top of the switch in order to activate the fine swing control. |
When the fine swing control is ON, the swing parking brake is released. Swing control improves during deceleration of a swing because the swing is allowed to drift instead of stopping abruptly.
Push down on the bottom of the switch in order to turn off the fine swing control. Operate the machine with the fine swing control in the OFF position when the machine is on a slope. Operate the machine with the fine swing control in the OFF position when great swing forces are required. For example, digging on a sidewall requires great swing force. Operate the machine with the fine swing control in the OFF position in order to control the motion with the swing brake.
If equipped, the switch for the overload warning device is located on the right console.
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Overload Warning Device - In lifting applications, the overload warning device activates a buzzer when there is an unstable load condition. When the buzzer sounds, the bucket load should be reduced or the stick should be moved inward. |
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ON - Push the right side of the switch in order to activate the overload warning device. |
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OFF - Push the left side of the switch in order to deactivate the overload warning device. |
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| Illustration 16 | g03320855 |
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Electronic Technician service port | |
An Electronic Technician (ET) service port is located inside the cab behind the seat. This service port allows service personnel to connect a laptop computer that is equipped with Electronic Technician. Service personnel can use electronic technician in order to diagnose machine and engine systems.
Contact your Cat dealer for additional information.