992K Wheel Loader Caterpillar

Electrical Lockout Service Center

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The electrical lockout service center is located on the left side of the machine on the rear bumper.

Stairway Access Light Switch (1)

- Push the switch upward in order to turn on the stairway access lights. Push the switch downward in order to turn off the stairway access lights.

Engine Shutdown Switch (2)

Engine Shutdown Switch - Press the switch upward in order to stop a running engine. Press the switch downward in order to allow the engine to be started.

Transmission Lockout Switch (3)

Transmission Lockout Switch - Turn the switch counterclockwise in order to lock out the transmission. Turn the switch clockwise in order to unlock the transmission.

Secure the lockout switch in the OFF position by installing a padlock through the holes on the switch lever and the locking plate.

Engine Lockout Switch (4)

Engine Lockout Switch - Turn the switch counterclockwise in order to prevent the engine from being cranked. Turn the switch clockwise in order to allow the engine to be started.

Secure the lockout switch in the OFF position by installing a padlock through the holes on the switch lever and the locking plate.

Service Center

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The service center is located on the right side of the machine near the articulation joint. The service center provides ground level access for many maintenance procedures and diagnostic procedures.

Illustration 3	g02642881
(5) Indicator Keypad (6) Messenger (7) Electronic Technician (ET) Port (8) Floodlight Switch (9) Service Keyswitch (10) 12V Power Receptacle (11) Service Center Floodlight (12) Laptop Computer Table (13) Fast Fill Service Center

Indicator Keypad (5)

There are three indicators next to each button located on the indicator keypad. The fluid levels are "FULL" when all of the indicator lights are illuminated. The fluid levels are "OK", when only two of the indicator lights are illuminated.

When the fluid level is "LOW", one indicator light will flash next to the appropriate button. Press the button and the Messenger (6) will display the fluid name and the amount of fluid to add to the system.

Note: When all of the indicators next to a button are flashing, there may be an error, or a problem with the fluid level sensing components. See your Cat dealer for additional information.

Hydraulic Oil (Implement)

Fuel level

Hydraulic Oil (Steering)

Engine Oil

Engine Coolant

Automatic Lubrication System

Window Washer Solvent

Note: There are only two indicators next to the window washer solvent button. The fluid level is "OK" when both of the indicator lights are illuminated. When the fluid level is "LOW", one indicator light will flash.

Messenger (6)

This screen displays information that is provided by Messenger.

Refer to Operation and Maintenance Manual, "Monitoring System" for additional information.

Electronic Technician (ET) Port (7)

This service port allows service personnel to connect a laptop computer.

Refer to Operation and Maintenance Manual, "Monitoring System" for more information.

Floodlight Switch (8)

Press the top of the switch in order to turn on the service center floodlight (11). Press the bottom of the switch in order to turn off the floodlight.

Service Keyswitch (9)

The machines ignition key can be used to turn the machines electrical system ON.

12V Power Receptacle (10)

The power receptacle can be used for powering automotive electrical equipment or accessories.

Service Center Floodlight (11)

The floodlight provides light for the service center. The floodlight is activated by floodlight switch (8). Press the top of the switch in order to turn on the floodlight. Press the bottom of the switch in order to turn off the floodlight.

Laptop Computer Table (12)

The laptop computer table can be unfolded in order to be used as a platform for a laptop computer.

Fast Fill Service Center (13)

Your machine is equipped with fast fill ports that are located within the machines service center. You may drain fluids through these ports or you may add fluids through these ports.

Illustration 4	g02642880
(14) Automatic Lubrication Fast Fill Port (15) Transmission Oil Fast Fill Port (16) Engine Oil Fast Fill Port (17) Cooling System Coolant Fast Fill Port (18) Hydraulic Oil (Implement) Fast Fill Port (19) Hydraulic Oil (Implement) Ecology Drain (20) Hydraulic Oil (Steering) Fast Fill Port (21) Hydraulic Oil (Steering) Ecology Drain

Reference: Refer to the appropriate maintenance procedure within this Operation and Maintenance Manual for additional information.

Note: Refer to table 1 for the correct nozzle for each fast fill port.

Automatic Lubrication Fast Fill Port (14) - Attach the hose to the male coupling in order to fill the automatic lubrication tank. Use a 8C-1046 Coupler for this port.

Reference: For more information about filling the automatic lubrication tank refer to Operation and Maintenance Manual, "Automatic Lubrication Grease Tank - Fill"

Transmission Oil Fast Fill Port (15) - Remove the dust cover and attach the hose to the male coupling in order to fill the transmission. Use a 126-7538 Nozzle for this port. Drain the oil, or add oil, as needed.

Reference: For more information about filling the transmission oil refer to Operation and Maintenance Manual, "Transmission Oil - Change"

Engine Oil Fast Fill Port (16) - Remove the dust cover and attach the hose to the male coupling in order to fill the engine with oil. Use a 126-7539 Nozzle for this port. Drain the oil, or add oil, as needed.

Reference: For more information about filling the transmission oil refer to Operation and Maintenance Manual, "Engine Oil and Filter - Change"

Cooling System Coolant Fast Fill Port (17) - Remove the dust cover and attach the hose to the male coupling in order to fill the coolant tank. Use a 127-9087 Nozzle for this port. Drain the coolant, or add coolant, as needed.

Reference: For more information about filling the cooling system refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change"

Hydraulic Oil (Implement) Fast Fill Port (18) - Remove the dust cover and attach the hose to the male coupling in order to fill the hydraulic oil tank for the implements. Use a 127-9088 Nozzle for this port. Add oil as needed.

Reference: For more information about filling the hydraulic oil refer to Operation and Maintenance Manual, "Hydraulic System Oil (Implement) (Hydraulic Fan) - Change"

Hydraulic Oil (Implement) Ecology Drain (19) - This ecology drain may be used in order to drain the implement hydraulic oil. Remove the drain plug and install the correct adapter. Allow the oil to drain in a suitable container.

Reference: For more information about draining the hydraulic oil refer to Operation and Maintenance Manual, "Hydraulic System Oil (Implement) (Hydraulic Fan) - Change"

Note: A 4C-8563 Swivel or a 25.4 mm (1 inch) pipe with 1-11 1/2 NPTF threads may be used to open the ecology drains.

Hydraulic Oil (Steering) Fast Fill Port (20) - Remove the dust cover and attach the hose to the male coupling in order to fill the steering hydraulic tank. Use a 127-9088 Nozzle for this port. Add oil as needed.

Reference: For more information about filling the steering hydraulic oil refer to Operation and Maintenance Manual, "Hydraulic System Oil (Steering) (Brake) - Change"

Hydraulic Oil (Steering) Ecology Drain (21) - This ecology drain may be used in order to drain the steering hydraulic oil. Remove the drain plug and install the correct adapter. Allow the oil to drain in a suitable container.

Reference: For more information about draining the steering hydraulic oil refer to Operation and Maintenance Manual, "Hydraulic System Oil (Steering) (Brake) - Change"

Fuel Fast Fill Port

The fuel fast fill port is located on the left side of the machine on the rear bumper.

Illustration 5	g02646479

Remove dust cover and clean the fast fill fuel adapter. Fill the fuel tank through the fast fill fuel adapter and install the dust cover