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| Illustration 1 | g06185024 |
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Service center mounted on left-hand side of rear bumper. (1) Machine control panel (2) Fast fill service panel (3) Machine diagnostic and service panel (4) Service center access door | |
The machine control panel is at the front of the service center. This panel is accessible to the operator without the need to open service center access door (4).
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| Illustration 2 | g06298209 |
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(5) Wait to disconnect lamp (if equipped)
(6) Transmission lockout switch (7) Engine lockout switch (8) Battery disconnect switch (9) Powered stairway control switch (if equipped) (10) Service light switch (if equipped) (11) Stairway access light switch (12) Engine shutdown switch | |
Wait to Disconnect Lamp (If Equipped) (5)
Reference: Refer to the Operation and Maintenance Manual, "Stopping the Engine" for more information.
Transmission Lockout Switch (6)
The transmission lockout disables the transmission while the engine is running. This operation prevents machine movement while taking fluid samples. Maintenance can be done without machine movement. The lockout and LED are controlled by the transmission ECM, which requires the machine electrical power to be on.
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| Illustration 3 | g02886456 |
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Transmission lockout switch shown in LOCK position. | |
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Transmission Lockout - Lock - Move transmission lockout switch (5) to the LOCK position by turning counter-clockwise to disable operation of the transmission. The LED will be illuminated when the transmission lockout switch is in the LOCK position. Secure the switch in the LOCK position by installing a padlock through the holes at the left-hand side of the switch. |
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| Illustration 4 | g02886719 |
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Transmission lockout switch shown in UNLOCK position. | |
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Transmission Lockout - Unlock - Remove the padlock that was installed to secure the switch in the LOCK position. Move transmission lockout switch (5) to the UNLOCK position by turning clockwise. The LED will not be illuminated when the transmission lockout switch is in the UNLOCK position. |
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| Illustration 5 | g02886721 |
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Engine lockout switch in LOCK position. | |
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Engine Lockout - Lock - Move engine lockout switch (6) to the LOCK position by turning counter-clockwise. Secure the engine lockout switch in the LOCK position by installing a padlock through the holes at the left-hand side of the switch. Place the engine lockout switch in the LOCK position to disable the engine starting circuit. |
The engine lockout switch removes the ability of the engine start switch to start the engine. This lockout is wired electrically. The lockout is not controlled by an ECM. An LED is located near the engine lockout switch. This LED illuminates when the engine lockout switch has disabled the engine starting circuit.
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| Illustration 6 | g02886725 |
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Engine lockout switch shown in UNLOCK position. | |
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Engine Lockout - Unlock - Remove the padlock that was installed to secure the engine lockout switch in the LOCK position. Move engine lockout switch (6) to the UNLOCK position by turning clockwise. |
This procedure will give the engine the ability to start using the engine start switch.
Operation of the battery disconnect switch is described in a separate section of this manual. Refer to Operation and Maintenance Manual, "Battery Disconnect Switch" for detailed information.
Powered Stairway Control Switch (9) (if equipped)
Operation of the powered stairway control switch (if equipped) is described in a separate section of this manual. Refer to Operation and Maintenance Manual, "Stairway (Powered) Operation" for detailed information.
Service Light Switch (10) (if equipped)
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Service Light Switch - This switch (if equipped) controls the operation of service lights at various locations around the machine. This switch in the service center works with a second switch to control the service lights. The second service light switch is located in the right-hand control panel in the cab. |
Either position of either switch will cause the service lights to be on, or off, depending on the current position of the other switch. If the service lights are off, move the switch to the alternate position to turn on the service lights. If the service lights are on, move the switch to the alternate position to turn off the lights. The service lights may be turned on at the service center and then turned off in the cab. The service lights may be turned off at the service center after having been turned on in the cab.
Stairway Access Light Switch (11)
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Stairway Access Light Switch - This switch in the service center works with a second switch to control the stairway access light. The second stairway access light switch is located in the right-hand control panel in the cab. |
Either position of either switch will cause the stairway access light to be on or off depending on the current position of the other switch. If the stairway access light is off, move the switch to the alternate position to turn on the stairway access light. If the stairway access light is on, move the switch to the alternate position to turn off the light. The stairway access light may be turned on at the service center and then turned off in the cab. The stairway access light may be turned off at the service center after having been turned on in the cab.
Note: The engine start switch does not need to be in the ON position for the stairway access light to have power to operate.
This switch functions by shutting off the fuel supply to the engine.
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Fuel System OFF - Raise the switch guard and move the toggle switch upward to the OFF position. |
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Fuel System ON - Move the toggle switch downward to activate the fuel system. The toggle switch is also moved downward automatically when the switch guard is lowered. |
Note: The engine will not shut off immediately. The fuel in the engine and the lines must first be exhausted before the engine will stop.
Your machine is equipped with fast fill ports that are used to transfer various machine fluids between this machine and service equipment. You may drain fluids through these ports or you may add fluids through these ports.
Open service center access door (4) to make connections with fast fill ports and ecology drains that are located in the fast fill service panel.
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| Illustration 7 | g06298217 |
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| Illustration 8 | g06298238 |
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Fast fill service panel (13) Transmission oil fast fill port (14) Engine oil fast fill port (15) Cooling system coolant fast fill port (16) Oil renewal system fast fill port (If Equipped) / Diesel Exhaust Fluid (DEF) fast fill port (If Equipped) (17) Automatic lubrication system fast fill port (18) Hydraulic system oil (implement, hydraulic fan) fast fill port (19) Hydraulic system oil (implement, hydraulic fan) ecology drain (20) Hydraulic system oil (steering, brake) ecology drain (21) Hydraulic system oil (steering, brake) fast fill port | |
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.
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Transmission Oil Fast Fill Port (13) - Remove the dust cover and attach the hose to the male coupling 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".
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Engine Oil Fast Fill Port (14) - Remove the dust cover and attach the hose to the male coupling 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 engine oil refer to Operation and Maintenance Manual, "Engine Oil and Filter - Change".
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Cooling System Coolant Fast Fill Port (15) - Remove the dust cover and attach the hose to the male coupling 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".
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Oil Renewal System Fast Fill Port (If Equipped) (16) - Remove the dust cover and attach the hose to the male coupling to fill the engine oil renewal system tank with oil. Use a 126-7539 Nozzle for this port. Add oil as needed. |
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Diesel Exhaust Fluid (DEF) Fast Fill Port (If Equipped) (16) - Remove the dust cover and attach the hose to the male coupling to fill the diesel exhaust fluid tank with diesel exhaust fluid. |
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Automatic Lubrication System Fast Fill Port (17) - Attach the hose to the male coupling to fill the automatic lubrication system tank. Use a 8C-1046 Coupler for this port. |
Reference: For more information about filling the automatic lubrication system tank refer to Operation and Maintenance Manual, "Automatic Lubrication Grease Tank - Fill".
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Hydraulic System Oil (Implement, Hydraulic Fan) Fast Fill Port (18) - Remove the dust cover and attach the hose to the male coupling to fill the implement and hydraulic fan system hydraulic oil tank. Use a 127-9088 Nozzle for this port. Add oil as needed. |
Reference: For more information about filling the implement and hydraulic fan system hydraulic oil refer to Operation and Maintenance Manual, "Hydraulic System Oil (Implement, Hydraulic Fan) - Change".
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Hydraulic System Oil (Implement, Hydraulic Fan) Ecology Drain (19) - This ecology drain may be used to drain the implement and hydraulic fan system hydraulic oil. Remove the drain plug and install the correct adapter. Allow the oil to drain into a suitable container. |
Reference: For more information about draining the implement and hydraulic fan system hydraulic oil refer to Operation and Maintenance Manual, "Hydraulic System Oil (Implement, Hydraulic Fan) - Change".
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Hydraulic System Oil (Steering, Brake) Ecology Drain (20) - This ecology drain may be used to drain the steering and brake system hydraulic oil. Remove the drain plug and install the correct adapter. Allow the oil to drain into a suitable container. |
Reference: For more information about draining the steering and brake system hydraulic oil refer to Operation and Maintenance Manual, "Hydraulic System Oil (Steering, Brake) - Change".
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Hydraulic System Oil (Steering, Brake) Fast Fill Port (21) - Remove the dust cover and attach the hose to the male coupling to fill the steering and brake system hydraulic oil tank. Use a 127-9088 Nozzle for this port. Add oil as needed. |
Reference: For more information about filling the steering and brake system hydraulic oil refer to Operation and Maintenance Manual, "Hydraulic System Oil (Steering, Brake) - Change".
Note: A 4C-8563 Swivel or a
| Part Numbers for Injector Nozzle Tips for use with the Cat Fast Fill Ports | |
| Application | Part Number |
| Engine Oil | 126-7539 |
| Automatic Lubrication System | 8C-1046 |
| Transmission Oil | 126-7538 |
| Hydraulic Oil (Implement, Hydraulic Fan) | 127-9088 |
| Hydraulic Oil (Steering, Brake) | 127-9088 |
| Cooling System Coolant | 127-9087 |
Machine Diagnostic and Service Panel (3)
Open service center access door (4) to perform certain machine diagnostic and service procedures.
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| Illustration 9 | g06298259 |
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(22) Auxiliary start receptacle
(23) 240V AC heater system (if equipped) (24) Service center light switch (25) VIMS service key switch (26) 12V power receptacle (27) VIMS service port and Electronic Technician (ET) service port (28) Messenger (29) Indicator keypad (30) Service center light | |
Auxiliary Start Receptacle (22)
Reference: Refer to Operation and Maintenance Manual, "Engine Starting with Auxiliary Start Receptacle" for more information about proper operation of the auxiliary start receptacle.
240V AC Heater System (23) (if equipped)
A 240V AC electrical connection supplied to this receptacle will provide power to the engine coolant heater and the engine oil heater.
Service Center Light Switch (24)
Raise the switch to turn on the service center lights. Lower the switch to turn off the service center lights.
The machine engine start switch key can be used at this location to turn the machine electrical system ON.
The power receptacle can be used for powering diagnostic electrical equipment or accessories.
VIMS® Service Port and Electronic Technician (ET) Service Port (27)
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VIMS® Service Port - This service port allows service personnel to interface with VIMS. |
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Electronic Technician (ET) - This service port allows service personnel to connect a laptop computer to the machine electronics using the Cat Electronic Technician tool. This connection will allow service personnel to interrogate the machine systems and engine systems. |
The Messenger screen displays the following information:
- Service hours
- Diagnostics and events
- System software version
- Service parameter values
Refer to Operation and Maintenance Manual, "Monitoring System" for additional information about the operation of Messenger.
There are three indicators next to each button on the indicator keypad. The fluid levels are "FULL" when all 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 Messenger (28) will display the fluid name and the amount of fluid to add to the system.
Note: When all 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.
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Hydraulic Oil (Implement, Hydraulic Fan) |
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Hydraulic Oil (Steering, Brake) |
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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.
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Transmission Oil |
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Diesel Exhaust Fluid (DEF Level) (If Equipped) / Fuel level |
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Engine Oil |
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Engine Coolant |
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Automatic Lubrication System |
| The Amount of Fluid Needed From "ADD" to "FULL". | |
| Fluid Type | Volume |
| Hydraulic Oil (Implement, Hydraulic Fan) | |
| Hydraulic Oil (Steering, Brake) | |
| Window Washer Solvent | |
| Transmission Oil | |
| Fuel (Standard) | |
| Fuel (Non-Standard) | |
| Diesel Exhaust Fluid (DEF) (If Equipped) | |
| Engine Oil | |
| Engine Coolant | |
| Automatic Lubrication System | |
The service center lights are activated by service center light switch (23). Two LED lights provide lighting for the service center. One light (30) is located within the machine diagnostic and service panel and another light (not shown) is located above the fast fill service panel.
The fuel fast fill port is on the left-hand side of the machine near the bottom of the fuel tank.
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| Illustration 10 | g06184977 |
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