450E Backhoe Loader Caterpillar


Operator Controls

Usage:

450E EBL



Illustration 1g01523781

(1) Transmission Neutral Lock

(2) Hazard Flashers

(3) Autoshift Control

(4) Ride Control

(5) Working Lights

(6) Horn (If Equipped)

(7) Turn Signal Control and Front Window Wiper

(8) Horn (If Equipped)

(9) Throttle Control

(10) Steering Wheel Tilt Control

(11) Service Brakes

(12) Differential Lock Control

(13) Transmission Direction and Speed Control

(14) All Wheel Drive Control




Illustration 2g01523782

(15) Loader Control

(16) Parking Brake Control

(17) Starting Aid Indicator

(18) Engine Start Switch

(19) Rotating Beacon (If Equipped)

(20) Front Floodlights

(21) Rear Floodlights

(22) Rear Fog Light (If Equipped)

(23) Spare

(24) Rear Wiper/Washer Switch (If Equipped)

(25) Continuous Flow Control (If Equipped)

(26) Throttle Control

(27) Stabilizer Controls

(28) Boom Lock

(29) Joystick Control (If Equipped)

(30) Fan Switch

(31) Variable Temperature Control

(32) Heating and Cooling Control

(33) Hydraulic Lockout




Illustration 3g01523784

(34) Four Lever Control (If Equipped)

(35) Extendable Stick (If Equipped)

(36) Auxiliary Control (If Equipped)

Transmission Neutral Lock (1)

------ WARNING! ------

Always engage the parking brake and transmission neutral lock before dismounting the machine, operating the backhoe or engaging the boom lock for the transport position. Failure to do so could allow unexpected machine movement, resulting in personal injury or death.

----------------------


TRANSMISSION NEUTRAL LOCK - The transmission neutral lock is located on the left side of the front console.

LOCKED - Press the top of the switch in order to lock the transmission direction control lever into the NEUTRAL position.

UNLOCKED - Press the bottom of the switch in order to deactivate the transmission neutral lock.

Note: If the transmission neutral lock has been activated, shift the direction control lever into the NEUTRAL position before you shift the direction control lever into the FORWARD position. If the transmission neutral lock has been activated, shift the direction control lever into the NEUTRAL position before you shift the direction control lever into the REVERSE position. The direction control lever must be shifted into the NEUTRAL position in order to allow movement of the machine.

Note: When you exit the machine push the top of the transmission neutral lock switch in order to prevent the machine from moving out of the NEUTRAL position. Engage the parking brake in order to prevent machine movement when the transmission is in neutral. Refer to the Operation and Maintenance Manual, "Transport Positions".

Hazard Flashers (2)


Hazard Flashers - The hazard switch is located on the right-hand side of the front console. Push the left side of the switch in order to activate the hazard flashers. Both turn signal lights will flash. Push the right side of the switch in order to deactivate the hazard flashers.

Autoshift Control (3)


Automatic Mode - The operator selects the highest desired gear for the transmission with the transmission shift lever. The control will then select the proper transmission gear according to the ground speed of the machine.

Push the top of the switch for the autoshift function in the automatic mode. Push the top of the switch prior to shifting the transmission into forward or reverse in order to activate the autoshift function.

Manual Mode - The manual mode allows the operator to select the desired speed and the desired direction of the machine.

Press the bottom of the switch in order to disable the autoshift control.

Ride Control (4)


Ride Control - Travel at high speeds over rough terrain causes bucket movement and a swinging motion. The system for ride control acts as a shock absorber by absorbing forces from the bucket and by dampening forces from the bucket. This system also stabilizes the entire machine.

------ WARNING! ------

Ride control can cause inadvertent movement of the loader arms if not used correctly. Don't use when using loader or backhoe.

----------------------

The ride control must be turned off in order to raise the front tires off the ground with the loader bucket.

Note: In some countries that require lock valves for material handling operations, the ride control must be turned off so that the lock valves can function properly. Lock valves and ride control cannot function at the same time.


Automatic Ride Control - Push the top of the switch in order to turn on the automatic ride control.

The automatic ride control automatically turns on when the ground speed exceeds a preset speed of approximately 9.5 kilometer per hour. The automatic ride control automatically shuts off during low speed travel mode.


OFF - Put the switch in the center position in order to turn off the ride control.


ON - Push the bottom of the switch in order to turn on the system for ride control.

The ride control will smooth the ride of the machine during travel.

Working Lights (5)


Working Lights - The front working light switch is located on the right side of the front console. Push the bottom of the switch for the OFF position. The middle position is for the panel lights, for the tail lights, and for the position lights. The top position adds working lights to the following lighting groups: panel lights, tail lights and position lights.

Horn (6) (If Equipped)


Horn - Press the top of the switch in order to sound the horn. Use the horn for alerting personnel or for signaling personnel.

Turn Signal Control and Front Window Wiper (7)

Directional Turn Signals


Directional Turn Signals - The directional turn signal lever is on the right side of the steering column.

Left Directional Signal Lights - Push the lever away from the operator in order to activate the left turn signals. When the lever is pushed forward away from the operator, an indicator light will illuminate on the front dash. The left turn signal will flash until the lever is manually returned to the OFF position.

OFF Position - In the OFF position, the directional signal lights will not flash.

Right Directional Signal Lights - Pull the lever toward the operator in order to activate the Right turn signals. When the lever is pulled back toward the operator, an indicator light will illuminate on the front dash. The right turn signal will flash until the lever is manually returned to the OFF position.

Front Window Wiper




Illustration 4g01102543


Front Window Wiper - Rotate the window wiper switch from the stop position to the second position in order to activate the low speed. Rotate the window wiper switch to the third position in order to activate the high speed. Push the button on the end of the front window wiper switch in order to activate the front window washer.

Dimmer Switch


Dimmer Switch (If Equipped) - The dimmer switch is located on the right side of the steering column. Pull the dimmer switch in order to activate the high beams momentarily. Push the switch backward in order to activate the high beams of the front running lights. The alert indicator for the high beams will come on.

Note: The dimmer switch is functional only while the running lights are on.

Horn (8) (If Equipped)


Horn - Press the button in the center of the steering wheel in order to sound the horn. Use the horn for alerting personnel or for signaling personnel.

Throttle Control (9)

Accelerator Pedal - Push down the pedal in order to increase travel speed. Release the pedal in order to decrease travel speed. The accelerator pedal will return to the low idle setting.

Use the pedal to reduce engine rpm for directional shifts when you use the loader.

Steering Wheel Tilt Control (10)

Steering Wheel Tilt Control - In order to adjust the steering wheel, push down on steering wheel tilt control (10) and move the steering wheel to the desired position. Release the steering wheel tilt control. The steering wheel will remain in the desired position. In order to move the steering wheel to the stowed position, release the steering wheel and push down on the steering wheel tilt control. The steering wheel will automatically move to the stowed position.

Service Brakes (11)

------ WARNING! ------

Personal injury or death could result if brake pedal lock bar is not engaged when recommended. Machine can swerve out of control if only one brake is applied for a quick stop. Follow the recommendations below for proper braking.

----------------------


NOTICE

Some areas may have a legal requirement to have the pedals locked when roading. Check state and local laws.


Brake Pedals - Push both pedals downward in order to slow down the machine. Push both pedals downward in order to stop the machine. Use the brake pedals while you are operating on a downgrade in order to prevent the engine from overspeeding.

The rear brake lights must come on when you apply the brakes. If the rear brake lights are not functioning, repair the brake lights. Repair the brake lights before you operate the machine.




Illustration 5g01098657

As shown, connect the left pedal and the right pedal together. Move the lock bar between both of the pedals. If the machine is operating in second gear, in third gear, and in fourth gear, connect the lock bar.

Only disengage the lock bar when the machine is not moving. If the lock bar is disengaged, operate the machine at low speeds and operate the machine in first gear. Use the left pedal or the right pedal to aid in maneuvering in tight quarters.

Use the pedals with the steering wheel in order to make sharp turns. Use the left pedal to help with sharp left turns. Use the right pedal to help with sharp right turns.

Differential Lock Control (12)


NOTICE

Do not engage the differential lock if the machine is in third gear or above. Machine damage may occur.



Differential Lock Pedal - Push down the pedal in order to engage the differential lock. The differential lock can prevent wheel slippage. Use the differential lock pedal when the machine is moving on soft ground or on wet ground. Apply the differential lock when the wheel is slipping. This will ensure positive engagement. Reduce the engine speed to the idle speed range before you engage the differential lock in order to minimize shock loads on the rear axle.

Release the differential lock after engagement is noticed. The differential will automatically disengage when the torque allows the differential to disengage.

Use the differential lock to prevent one wheel from slipping. If the wheels continue to slip in soft material, reduce the engine speed.

When the differential lock is engaged, the differential is locked. Both rear wheels will turn at the same speed.

Transmission Direction Control (13)

Direction Selector


FORWARD - Move the transmission lever upward. The machine will move forward.


NEUTRAL - Move the transmission lever to the middle position for the NEUTRAL position. The machine should not move when the transmission lever is in neutral.


REVERSE - Move the transmission lever downward. The machine will move in reverse.

Forward directional changes and reverse directional changes are possible while the machine is moving. However, reducing the engine speed is recommended, when directional changes are being made. Reducing the machine ground speed and/or braking is recommended, when directional changes are being made. This permits operator comfort and maximum service life of the power train components.

Speed Selector

Power Shift Transmissions Only

The transmission has five forward speeds and three reverse speeds. Rotate the transmission lever to the desired gear speed:

"1" - First Speed

"2" - Second Speed

"3" - Third Speed

"4" - Fourth Speed

If the transmission is in fourth gear and the direction control is in the FORWARD position, the transmission will shift into fifth gear automatically. The autoshift control in the manual mode will prevent the transmission from shifting to fifth gear. If the transmission is in fourth gear and the direction control is in the REVERSE position, the transmission will only shift into the third gear.

The transmission can be manually downshifted by using the neutralizer/downshift switch that is located on the loader control.

All Wheel Drive Control (14)

Three-Position Switch


All Wheel Drive - Push the left side of the switch to the ON position in order to activate all wheel drive.

All Wheel Drive can be activated anytime when additional traction is desired.

All Wheel Drive should always be activated when you are operating the machine on a slope.


All Wheel Drive Braking - Place the switch in the middle position in order to enable the All Wheel Drive Braking. The machine will operate in two-wheel drive until you push the brake pedals. Pushing the brake pedals will activate the All Wheel Drive.

Note: Depress both of the brake pedals at the same time in order to enable the All Wheel Drive Braking. Steering using the brakes is still possible when one brake pedal is depressed.

All Wheel Drive Braking should always be activated when you are roading the machine.


OFF - Push the right side of the switch to the OFF position for two-wheel drive. The All Wheel Drive Braking is deactivated when the switch is in this position.

Loader Control (15)

Refer to Operation and Maintenance Manual, "Joystick Control (Loader)" for more information.

Parking Brake Control (16)

------ WARNING! ------

Always engage the parking brake and transmission neutral lock before dismounting the machine, operating the backhoe or engaging the boom lock for the transport position. Failure to do so could allow unexpected machine movement, resulting in personal injury or death.

----------------------

Parking Brake - The parking brake lever is located on the right side of the seat. Always stop the engine and engage the parking brake before you get off the machine.

If the parking brake is engaged, the action alarm will sound when the transmission direction control lever is moved from NEUTRAL to FORWARD or REVERSE, then to NEUTRAL, then to FORWARD or REVERSE within 3 seconds.

Note: Switching the direction control lever from either direction to NEUTRAL back to either direction may cause the machine to move while the parking brake lever is engaged. Refer to Operation and Maintenance Manual, "Braking System - Test" for more information.

Parking Brake Engaged - Pull up the parking brake lever in order to engage the parking brake. The parking brake indicator light on the side console will come on when the engine start switch is turned on and when the parking brake is engaged.

Parking Brake Disengaged - Push down the parking brake lever in order to disengage the parking brake. Slightly raise the parking brake lever and pull in the release lever before you disengage the parking brake.

Secondary Brake - The secondary brake uses the same lever as the parking brake. The secondary brake should be used if the service brakes fail to stop the machine.

Starting Aid Indicator (17)

------ WARNING! ------

Do not spray ether into engine when using thermal starting aid to start engine. Personal injury and machine damage could result. Follow the procedures in this manual.

----------------------


Starting Aid Indicator - The starting aid indicator is located on the right side console.

Note: Glow plugs are automatically activated by the engine ECM under certain conditions.

Engine Start Switch (18)


OFF (1) - Turn the engine start switch key to the OFF position in order to stop the engine. 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 start switch is in the OFF position. If the engine is not running, turn the engine start switch key to the OFF position in order to prevent the fault alarm from sounding.


ON (2) - The engine start switch will return to the ON position when the engine start switch key is released from the START position. When the engine is not running, the indicator lights and the fault alarm will remain on until the engine start switch is turned to the OFF position.


START (3) - Turn the engine start switch key to the START position in order to start the engine. Release the engine start switch key after the engine starts. The fault alarm should shut off after the engine oil pressure rises.

The transmission control lever must be in the NEUTRAL position and the hydraulic control levers must be in the HOLD position before you turn the engine start switch and before you start the engine.

Note: The engine may fail to start after the key is turned to the start position. If this happens, the key must be returned to the OFF position. Attempt to start the engine again.

When you are not operating the machine, remove the key.

Rotating Beacon (19) (If Equipped)


Rotating Beacon Light (If Equipped) - Press the top of the switch in order to turn on the rotating beacon light. Press the bottom of the switch in order to turn off the rotating beacon light. The rotating beacon light is used to alert other vehicles when the machine is being roaded from one job to another job.

Front Floodlights (20)


Front Floodlights (If Equipped) - The switch is a two-position switch (If Equipped).

Push the bottom of the switch for the front running lights (If Equipped) or the OFF position if the machine is not equipped with front running lights. Push the top of the switch for the two front floodlights.


Front Floodlights (If Equipped) - The switch is a three-position switch (If Equipped).

Push the bottom of the switch for the Front Running Lights. Push the switch to the middle position for the two front floodlights. Push the top of the switch in order to turn on all four front floodlights.

Rear Floodlights (21)


Rear Floodlights (If Equipped) - The switch is a two-position switch (If Equipped).

Press the bottom of the switch for the OFF position in order to turn off the rear floodlights. Press the top of the switch in order to turn on the rear floodlights.


Rear Floodlights (If Equipped) - The switch is a three-position switch (If Equipped).

Push the bottom of the switch to the OFF position in order to turn off the rear floodlights. Press the switch to the middle position for two rear floodlights. Press top of the switch in order to turn on all four rear floodlights.

Rear Fog Light (22) (If Equipped)


Rear Fog Lamp (22) (If Equipped) - Press the top of the switch in order to turn on the rear fog lamp. Press the bottom of the switch in order to turn off the rear fog lamp.

The fog lamp will only operate when the floodlights are being used.

Spare (23)

This is a extra slot for additional switches.

Rear Wiper/Washer Switch (24) (If Equipped)


Rear Window Wiper - Place the switch in the middle position in order to activate the rear window wiper. Push the bottom of the switch in order to shut off the window wiper.


Rear Window Washer - Push the top of the switch and hold in order to activate the rear window washer.

Continuous Flow Control (25) (If Equipped)


Continuous Flow Switch - This switch works with the thumb wheel on the joystick control for the backhoe. Once the operator selects the desired flow rate with the thumb wheel press the momentary switch in order to maintain the desired flow. Press the switch again in order to return flow control to the thumb wheel on the joystick control.

Throttle Control (26)

Accelerator Lever - This lever controls the engine speed for backhoe operation.

Operate the machine in the green operating range on the tachometer.


High Idle - Move the lever away from the operator for a faster idle speed.


Low Idle - Move the lever toward the operator for a lower idle speed.

For roading or loader operation, keep the lever in the low idle position. Use the accelerator pedal to change the engine speed.

Note: The maximum recommended operating engine speed is 2100 rpm. The maximum recommended operating engine speed during backhoe operation is 1800 rpm.

Stabilizer Controls (27)

Refer to Operation and Maintenance Manual, "Stabilizer Control" for more information.

Boom Lock Lever (28)

Boom Lock

  1. Close the bucket and completely move in the stick. Slowly move the boom upward until the boom is completely inward.

  1. Move boom lock lever (28) to the LOCK position.



    Illustration 6g01327156

  1. Make sure that the boom lock hook engages over the locking pin in order to secure the boom into the LOCK position. Activate the boom downward in order to force the boom against the boom transport lock. This will improve the ride of the machine.

Boom Release

  1. Slowly move the boom upward until the boom is completely inward.

  1. Move boom lock lever (28) to the UNLOCK position. This will release the boom lock hook from the locking pin in order to allow movement of the backhoe boom.

Joystick Control (29) (If Equipped)

Refer to Operation and Maintenance Manual, "Joystick Control (Backhoe)" for more information.

Fan Switch (30)

Heater Fan Switch - This switch controls the three-speed blower fan motor.

Press the bottom of the switch for the LOW position of the fan.

Press the switch to the middle position for the MEDIUM fan speed.

Press the top of the switch for the HIGH fan speed.

Variable Temperature Control (31)


Heating Variable - Turn the knob between COOL (left) and WARM (right).

Heating and Cooling Control (32)


Heating - Press the top of the switch to the ON position. Turn the blower fan switch control to the desired speed (LOW, MEDIUM, or HIGH). Adjust the temperature control knob for the desired temperature.

Press the switch to the middle position for the blower OFF position.


Cooling (If Equipped) - Press the bottom of the switch to the air conditioning ON position. Turn the blower fan switch control to the desired speed (LOW, MEDIUM, or HIGH). Adjust the temperature control knob for the desired temperature.

Note: In order to provide maximum cooling for the cooling system, close all unused vents.

Pressurizing - When heating or cooling is not desired, pressure inside the cab will help keep dust out.

To produce the volume of air that is needed to keep dust out, set the blower fan switch control to LOW, to MEDIUM, or to HIGH. Adjust the temperature control knob to the desired temperature.

Defogging - Use the cooling system to remove moisture from the air in the cab. This will prevent moisture from forming on the windshield and on the windows.

Press the switch to the air conditioning ON position. Turn the blower fan switch control to the desired speed (LOW, MEDIUM, or HIGH). Adjust both control knobs until the moisture level is lowered and the windshield and side windows are free of moisture.

VENTILATION - When heating, cooling, or defogging is not desired, the system can be used in order to provide ventilation. Turn the blower fan switch to the desired speed (LOW, MEDIUM, or HIGH). Adjust the temperature control knob to the desired temperature.

Hydraulic Lockout (33)


Hydraulic Lock Switch - The switch allows the operator to lock the hydraulic controls. Press the switch in order to prevent movement of the pilot operated hydraulic controls.

Four Lever Control (34) (If Equipped)

Refer to Operation and Maintenance Manual, "Backhoe Four Lever Control" for more information.

Extendable Stick (35) (If Equipped)

Refer to Operation and Maintenance Manual, "Backhoe Four Lever Control" for more information.

Auxiliary Control (36) (If Equipped)

Refer to Operation and Maintenance Manual, "Backhoe Four Lever Control" for more information.

Cab Doors (If Equipped)

Cab Doors - Pull the door latch in order to open the door. Open the door all the way to the fully open position. The door will remain in this position. Both doors operate the same way.

The doors should be closed while you operate the machine. While the doors are shut, the windows can be opened for better cab air flow.




Illustration 7g01098892

Cab Door Release Lever - Move the lever in order to unlatch the door and open the door.

Windows (If Equipped)

Door Windows




Illustration 8g01098902

Move the window latch in order to open the window.

Rear Window

Note: Keep the rear windows closed when a work tool could throw debris. A shield must be used when the machine is not equipped with windows and when a work tool could throw debris.

The cab rear window has several operational features from the inside of the cab by the operator.




Illustration 9g01099134

Move the latches that are located at the top corners of the lower window in order to raise the lower window. Move the latches that are located at the top corners of the lower window in order to lower the lower window.

The lower window can be left in the LOCKED position, stowed with the upper window, or removed.




Illustration 10g01099149

Move the latches above the rubber handles in order to release the upper window from the LOCKED position. Pull the handles toward the seat and then push the handles upward until the latches engage in order to stow the window.

To lower the windows from the stowed position, move the latches by the rubber handles. Pull the handles downward, and push the handles toward the rear of the machine until the latches lock into position.

Caterpillar Information System:

793D Off-Highway Truck/Tractor Control Valve (Hoist) - Install
793D Off-Highway Truck/Tractor Control Valve (Hoist) - Remove
D6K Track-Type Tractor Electrohydraulic Power Train Track Roller
572R Series II Pipelayer Hydraulic System Hydraulic Tank and Filter
The Hoses that connect to the Brake Reservoir are Too Long{4269} The Hoses that connect to the Brake Reservoir are Too Long{4269}
450E Backhoe Loader Transmission Magnetic Screen - Clean
2006/07/31 Bearing Inserts Are Now Used in Frame Steering Bracket {7051, 7073}
450E Backhoe Loader Transmission Oil Sample - Obtain
2006/11/27 An Improved Elbow and a Tube for the Coolant Lines Is Used {1380}
450E Backhoe Loader Transmission Oil Level - Check
RM-300 Reclaimer Mixer Machine Systems Rotor Drive Differential - Install
C175-16 Locomotive Engine Valve Lash - Adjust
246C, 256C, 262C and 272C Skid Steer Loaders Fire Extinguisher Location
450E Backhoe Loader Joystick Control - Backhoe
450E Backhoe Loader Backhoe Four Lever Control - If Equipped
Load Haul Dump Machine Machining & Welding Information Consumables
Load Haul Dump Machine Machining & Welding Information Rear Frame
Load Haul Dump Machine Machining & Welding Information Front Frame
Load Haul Dump Machine Machining & Welding Information Cab Mounting
2006/07/24 Correction to Disassembly and Assembly , "Axle Housing (Service Brakes, Differential, and Bevel Gear) - Assemble" {3256, 3258, 3260, 4251}
450E Backhoe Loader Swing Frame and Cylinder Bearings - Lubricate
450E Backhoe Loader Equipment Lowering with Engine Stopped
246C, 256C, 262C and 272C Skid Steer Loaders Radiator Core - Clean
414E, 416E, 420E, 422E, 428E, 430E, 432E, 434E, 442E and 444E Backhoe Loaders Hydraulic and Steering System Bank Valve (Four) (3-Point Hitch)
Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.