120 Motor Grader Monitoring System Caterpillar

Overview of Display Module and Features

The display module story provides an overview of the operating display and the following information:

• Performance Page (Home page)

• Gauges

• Warning Indicators

• Gear settings

• Icons

The machine also has a feature called the Machine Security System (MSS). When installed, the MSS protects the machine from an unauthorized operation.

Note: Refer to the Systems Operation, Operator Menu section for more information.

The MSS detects if there is a signal. The operator has the option of pressing the following buttons:

• "Passcode Entry"

• "Skip Log In"

Performance Page (Home Page)

The Performance page (home page) is the main introductory page on the Operating Display. Real-time machine status information is displayed within this page.

The Performance page is the default page for the display.

Illustration 1	g06379420
Performance page (home page) (1) Information message banner (2) Top-level navigation buttons (3) Grade and Slope indicator (4) Real-time parameter monitoring information window (5) Run time information window (6) Graphical indication banner

The information architecture identifies consistent regions and interaction behaviors. This is done so that the operator can quickly identify the health, performance, and warning status of the machine.

Real-Time Parameter Monitoring Information Window Analog Gauges and Warning Indicators

Illustration 2	g06379452
Performance page (home page) (1) Hydraulic oil temperature analog gauge and indicator (2) DEF (Diesel Exhaust Fluid) level indicator and indicator bar (3) Fuel level indicator and indicator bar (4) Engine speed analog gauge (5) Articulated grader angle gauge (6) Engine coolant temperature analog gauge and indicator (7) Tachometer engine speed gauge indicator

The Real-time parameter monitoring information window shows the operator-specific data in an analog gauge format.

The gauges also feature warning indicators that will highlight in yellow to alert the operator of an excessive reading.

The gauges allow the operator to view real-time machine health monitoring for these parameters.

Illustration 3	g06379461
Subpage (7) Tachometer engine speed gauge indicator (8) Hydraulic oil temperature indicator (9) Fuel level indicator (10) Engine coolant temperature indicator (11) DEF fluid indicator and percentage

Many subpages will also display a window on the left side of the display page. Each warning indicator highlight in yellow to alert the operator.

Note: Except for the Tachometer engine speed gauge indicator (7), the other icons will not be visible if the corresponding range is within the proper level. For example, if the fuel level is above 18 percent, the Fuel level indicator (9) will not be visible.

Gauges

Illustration 4	g06379466
Performance page (home page) (4) Engine speed analog gauge (7) Tachometer engine speed gauge indicator (12) Engine speed digital gauge

Engine Speed Analog Gauge

The Engine speed analog gauge (4) displays the engine rpm (n/min x 1000) during machine operation. The reading coincides with the reading shown on the Engine speed digital gauge (12).

The following table shows the range of engine rpms.

Note: If the data is unavailable or out of range, the needle is not visible.

Engine Speed Warning Indicator

Illustration 5	g06379501
Subpage (1) Tachometer engine speed gauge indicator (2) Engine speed digital gauge

The Tachometer engine speed gauge indicator (1) is shown in the message window. This indicator works in sync with both the Engine speed analog gauge (2) and the Engine speed digital gauge (2).

The indicator will highlight in yellow when the engine rpm reaches 2700 n/min.

The indicator will highlight in red when the engine rpm reaches 2900 n/min.

Note: For more information, refer to the "Message Window"section in this manual.

The Tachometer engine speed gauge indicator (1) is also visible on the display subpages when a warning should occur.

Engine Speed Digital Gauge

The Engine speed digital gauge (2) displays the engine rpm (n/min x 1000) during machine operation. This gauge works in sync with the Engine speed analog gauge.

Hydraulic Oil Temperature Analog Gauge and Warning Indicator

Illustration 6	g06380358
Performance page (home page) (1) Hydraulic oil temperature analog gauge and indicator

Hydraulic Oil Temperature Analog Gauge

The Hydraulic oil temperature analog gauge and indicator (1) shows the status of the hydraulic oil temperature. The normal temperature range is in green. The high temperature range is in red. The red range indicates that the hydraulic oil temperature is above 120° C (248.0° F).

The following table shows the range of temperatures.

Note: If the data is unavailable or out of range, the needle is not visible.

Hydraulic Oil Temperature Warning Indicator

The Hydraulic oil temperature indicator is shown next to the hydraulic oil temperature analog gauge. The indicator will highlight in yellow when the hydraulic oil temperature reaches 104° C (219.2° F).

Illustration 7	g06379509
subpage (1) Hydraulic oil temperature indicator

The Hydraulic oil temperature indicator (22) is also visible on the display subpages when a warning should occur.

Engine Coolant Temperature Analog Gauge and Warning Indicator

Illustration 8	g06379513
Performance page (home page) (1) Engine coolant temperature analog gauge and indicator

The Engine Coolant Temperature analog gauge and indicator (1) shows the status of the engine coolant temperature. The normal temperature range is in the green zone. The high temperature range is in the red zone.

The following table shows the range of temperatures.

Illustration 9	g06379520
Subpage (1) Engine coolant temperature analog gauge and indicator

The Engine coolant temperature warning indicator (1) is also visible on the display subpages.

Articulated Grader Angle Gauge

Illustration 10	g06379523
Performance page (home page) (1) Articulated grader angle gauge

The Articulated grader angle gauge (1) identifies the direction of the articulation angle (Left, Center, or Right).

Grader angle to the left - Needle position is to the left side.

Grader angle to the center - Needle position is to the center.

Grader angle to the right - Needle position is to the right side.

To move the rear of the machine to the left, twist the left-hand joystick counter-clockwise. When releasing the joystick, the joystick will return to the HOLD position. The machine articulation will remain in the selected position.

To move the rear of the machine to the right, twist the left-hand joystick clockwise. When releasing the joystick, the joystick will return to the HOLD position. The machine articulation will remain in the selected position.

Note: If the data is unavailable or out of range, the needle is not visible.

Note: For more information on adjusting the Left Side and Right Side Articulated Grader Angle with the respective joysticks, refer to Operation and Maintenance Manual , M0082745 , "120Motor Grader" and Operation and Maintenance Manual , SEBU9436 , "120Motor Grader".

Illustration 11	g06379524
Subpage (1) Articulated grader angle gauge

The Articulated grader angle gauge (1) is also visible on the display subpages.

Fuel Level Indicator Bar and Warning Indicator

Illustration 12	g06379738
Performance page (home page) (1) Fuel level indicator and indicator bar

The Fuel level indicator bar (1) will flash on and off for 0.5 second. This warning occurs to alert the operator that the fuel tank is less than 10 percent full. Once active, the fuel level indicator (1) will continue to flash until the tank is 18 percent full. The silver bar of the Fuel level indicator bar (1) will be at the top when the tank is 100 percent full. The silver bar will be at the bottom when the tank is 0 percent full.

Note: If the data is unavailable or out of range, the Indicator Bar is not visible and the Warning Indicator is highlighted in yellow.

Illustration 13	g06379741
subpage (1) Fuel level indicator

The Fuel level indicator (1) is also visible on the display subpages when a warning should occur.

DEF Level Indicator Bar and Warning Indicator

Illustration 14	g06379748
Performance page (home page) (1) DEF (Diesel Exhaust Fluid) level indicator and indicator bar

The DEF (Diesel Exhaust Fluid) level indicator and indicator bar (1) indicates the amount of fuel in the tank. The red range indicates that the DEF level is below 10 percent.

The DEF level indicator will flash ON and OFF for 0.5 second. This warning occurs to alert the operator that the DEF tank is less than 10 percent full. Once active, the DEF tank level display Icon will continue to flash until the tank is 18 percent full. The silver bar of the DEF level vertical gauge will be at the top when the tank is 100 percent full. The silver bar will be at the bottom when the tank is 0 percent full.

Illustration 15	g06379753
Subpage (1) DEF (Diesel Exhaust Fluid) level indicator

The DEF (Diesel Exhaust Fluid) level indicator (1) is also visible on the display subpages when a warning should occur.

Run Time Information Window

Illustration 16	g06379764
Performance page (home page) (1) Run time information window (2) Ground speed reading (3) Bi-directional shift icon and gear settings (4) Actual gear setting and direction reading

The Run Time Information Window (1) shows the operator critical machine data in a digital format. These readings allow the operator to view real-time machine health monitoring for the following parameters.

Bi-Directional Shift Icon and Gear Settings

The Bi-directional shift icon and gear settings (3) shows the operator that the bi-directional shift mode is active. The gear settings are the following:

• First Gear Forward (1F)

• Second Gear Forward (2F)

• Third Gear Forward (3F)

• Fourth Gear Forward (4F)

• Fifth Gear Forward (5F)

• Sixth Gear Forward (6F)

• Seventh Gear Forward (7F)

• Eighth Gear Forward (8F)

• First Gear Reverse (1R)

• Second Gear Reverse (2R)

• Third Gear Reverse (3R)

• Fourth Gear Reverse (4R)

• Fifth Gear Reverse (5R)

• Sixth Gear Reverse (6R)

Actual Gear Setting and Direction Reading

The Actual gear setting and direction reading (4) shows the operator what gear the machine is set to. The gear settings are the following:

• First Gear Forward (1F)

• Second Gear Forward (2F)

• Third Gear Forward (3F)

• Fourth Gear Forward (4F)

• Fifth Gear Forward (5F)

• Sixth Gear Forward (6F)

• Seventh Gear Forward (7F)

• Eighth Gear Forward (8F)

• First Gear Reverse (1R)

• Second Gear Reverse (2R)

• Third Gear Reverse (3R)

• Fourth Gear Reverse (4R)

• Fifth Gear Reverse (5R)

• Sixth Gear Reverse (6R)

Note: For more information, refer to the "Ground Speed Reading" section in this manual.

Ground Speed Reading

The Ground speed reading (2) shows the operator the speed that the machine is moving. The Ground speed reading (2) is visible in the following measurements:

• Kilometers per Hour (kph) (Metric)

• Miles per Hour (mph) (English)

Operating Display Overview

Graphical Indication Banner

Illustration 17	g06379770
Performance page (home page) (1) Graphical indication banner

The Graphical indication banner (1) notifies the operator of a specific machine mode and alert and safety issues. This notification occurs by using various icons.

The 203.2 mm (8.00 inch) display has 16 indicators in the Graphical indication banner (2).

Illustration 18	g06379783
Graphical indication banner (2) Left turn signal (3) Left blade float (4) Throttle lock (5) Differential lock (6) Grader all wheel drive (7) Hydraulic lock (8) Parking brake (9) Seat belt (10) Steering alert (11) Operator presence alert (12) Center shift pin pulled (13) Eco mode (14) Stable blade (15) High beams (16) Right blade float (17) Right turn signal

Turn Signal Indicator (Left) (1) - Indicator illuminates to show the operator that the left turn signal is active.

Grade Control Blade Float Indicator (Left Side) (2) - Indicator illuminates to show the operator that the blade float is active for the left side of the blade.

Throttle Lock (Desired Speed Hold) (4) - Indicator illuminates to show the operator that the engine shutdown switch is in the RUN position. The alert indicator also shows that the guard of the engine shutdown switch has been lowered.

Differential Lock Control Indicator (5) - Indicator illuminates to show the operator that the differential lock is engaged.

All Wheel Drive Indicator (6) - Indicator illuminates to show the operator that the all wheel drive feature is engaged. The all wheel drive mode switch is used along with the all wheel drive control dial and the mode switch. This is on either the lever or the joystick.

Hydraulic Implement Lockout Indicator (7) - Indicator illuminates to show the operator that the hydraulic implement system lock is engaged.

Parking Brake Indicator (8) - Indicator illuminates to show the operator that the parking brake is engaged. The indicator will go out when the parking brake is disengaged.

Seat Belt Indicator (Lap Belt Only) (9) - Indicator illuminates to show the operator that the lap seat belt is not fastened.

Steering System Indicator (10) - Indicator illuminates to show the operator that the steering is now active when the steering test is active. The alert indicator will also illuminate in red when a problem with the steering system exists.

Operator Not Present Indicator (11) - This indicator illuminates to show the operator that the operator is not present at the machine.

A determination occurs to indicate if an operator is present. The result is provided as inputs to certain software features. If the determination indicates that an operator is not present, the following software features are affected:

• Steering and Implement Lockout All steering and implements functions are locked out.

• Shifts out of NEUTRAL Shifts out of NEUTRAL are not allowed.

• Releasing the Parking Brake Transitions of the parking brake from ENGAGED to DISENGAGED are not allowed.

Note: To reactivate the affective features of the machine, the operator must be considered present.

Note: The parking brake is engaged when the operator is not present.

The operator is considered to be present if any of the following conditions are true:

• The operator switch in the seat detects an operator.

• The actual gear of the machine is not in NEUTRAL.

• The transmission output speed is greater than zero.

• The transmission modulator control (inching pedal) is depressed.

Center Shift Pin (Pulled) (12) - Indicator illuminates to show that the centershift lock is disengaged.

ECO Mode Indicator (13) - Indicator illuminates to show the operator that the machine will change operating parameters to preserve or enhance fuel economy.

Stable Blade Mode Indicator (14) - Indicator illuminates in order to show the operator that the stable blade mode feature is engaged. The stable blade mode indicator is used with the blade tip control lever.

High Beam Indicator (15) - Indicator illuminates to show the operator that the high beam for the headlights is active.

Grade Control Blade Float Indicator (Right Side) (16) - Indicator illuminates to show the operator that the blade float is active for the right side of the blade.

Turn Signal Indicator (Right) (17) - Indicator illuminates to show the operator that the right turn signal is active.

Message Window

Illustration 19	g06379802
Performance page (home page) (1) Operator ID(Operator detected) (2) Emissions alert indicator (3) Engine malfunction indicator (4) Battery charge indicator (5) Brake alert indicator (6) Alert reminder symbol (7) Machine service hours meter (8) Clock (Real Time) (9) Tachometer engine speed gauge indicator (10) Information message banner

The Message Window provides the operator of with various information.

Operator ID (Identification)

The Operator ID (Identification) reading (4) shows which operator is operating the machine. The Operator ID can be entered, edited, and deleted by the Master Operator.

Message Window Warning Indicators

Emissions Malfunction Indicator (2) - Indicator illuminates to show the operator that there is a failure or malfunction with the emissions system.

Engine Malfunction Indicator (3) - Indicator illuminates to show the operator that there is a failure or malfunction with the engine.

Note: Refer to Systems Operation, Troubleshooting, Testing and Adjusting, RENR9034, "Motor Graders Monitoring System" for these types of problems.

Battery Charge Indicator (4) - Indicator illuminates to show the operator that the battery has a low charge. The alert indicator will also illuminate when there is a problem with the machine system voltage or the alternator.

Brake Alert Indicator (5) - Indicator illuminates to show the operator that there is a failure or malfunction with the brake system.

Alert Reminder Symbol

An Alert Reminder Symbol (7) is a pop-up fault warning message in a reduced or snoozed mode.

A Level 1 (Gray) or Level 2 (Yellow) pop-up fault warning message can be reduced or snoozed to a message icon by pressing the message banner. This alert reminder symbol allows the operator to continue to view the other readings on the message window.

Note: For more information on Pop-Up Fault Warning Messages, refer to the Systems Operation , Pop-Up Messages section in this manual.

Machine Service Hours Meter

The Machine service hours meter (7) shows the total machine operating hours.

Clock (Real Time)

The Clock (8) reading is shown in real time. The clock can be set to automatic or manual mode. The clock can also be set to 12-hour time (AM, PM) and to 24-hour time.

Note: For more information, refer to the Systems Operation , Display Menu section in this manual.

Engine Speed Digital Gauge

The Tachometer engine speed digital gauge (9) monitors the machine engine idle speed. The gauge displays the engine rpm (n/min x 1000) during machine operation. The reading coincides with the reading shown on the Engine speed analog gauge :

• Low Idle (700 rpm)

• High Idle (1800 rpm)

• Red Line Idle (2500 rpm)

The Engine Speed Warning Indicator shows the operator that the engine speed is considered excessive.

Note: For more information, refer to the Real-Time Parameter Monitoring Information Window Analog Gauges and Warning Indicators section in this manual.

Note: The units of the engine speed reading can be changed between Metric and English. For more information, refer to the Systems Operation , Display Menu section in this manual.