ADAPTER 9D8588 - Caterpillar

Introduction
The following procedure is for adjusting the limit switch ( throttle lock deactivation).The software program that will be used for this test procedure is the Cat ET. The Cat ET is a software program that can be used on an IBM-compatible personal computer.Reference: For more information about the use of Cat ET, refer to Troubleshooting, "Using Caterpillar Electronic Technician to Determine Diagnostic Codes" for the machine that is being serviced.Required Tools
Illustration 1 g03404793
Table 1
Required Tools
Tool Item Qty Part
Number Description
C 1 317-7484(1) Communication Adapter Gp
C1 1 370-4617 Cable As (USB PC Communication)
C2 1 317-7485 Communication Adapter III
C3 1 327-8981 Cable As (Data Link)
C4 1 317-7492 Cable As Wireless Radio
C5 1 JERD2129 Caterpillar Electronic Technician (Cat ET)
(1) Cat Electronic Technician (ET) and Software CD, NETG5057 are required when using the communication adapter.Test Preparation
Refer to Testing and Adjusting, "Machine Preparation for Troubleshooting".Refer to Testing and Adjusting, "System Pressure Release".Test Procedure
Connect the laptop computer to the service connector in the cab.
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Typical example of ET menu
Open the software program (ET). Select the engine ECM from the "ECM Selector" menu.
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Typical example of ET menu
Select the "Information" menu item from the toolbar. Select the "Status" menu item.
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Location for the shim
Place a 1.55 mm (0.062 inch) shim between the pedal stop and the right-hand brake pedal.
Illustration 5 g03404804
Typical example of ET menu
"Depressed" status of the brake pedal
Select "Throttle Lock" in ET. If "Depressed" appears in the "Brake Pedal" row under the "Value" column, proceed to Step 10. If "Released" appears, proceed to Step 6.
Illustration 6 g03404807
(1) Limit switch for throttle lock deactivation
(2) Adjustment plate
(3) Adjustment screw
Remove the three screws from the cover plate on the right-hand brake pedal switch to access adjustment screw (3).
Place a 1.55 mm (0.062 inch) shim between the pedal stop and the right-hand brake pedal.
Loosen adjustment screw (3). Adjust adjustment plate (2) until "Deprssed" appears in the "Brake Pedal" row under the "Value" column in ET. Then, torque adjustment screw (3) to 1.4 0.3 N m (12 3 lb in).
Remove the shim from the pedal stop.
Place a 0.775 mm (0.031 inch) shim between the pedal stop and the right-hand brake pedal.
Verify, "Released" appears in the "Brake Pedal" row under the "Value" column in ET. If "Released" now appears, proceed to Step 12. If "Released" does not appear, repeat Step 6 through Step 10.
Remove the shim from the pedal stop.
If the cover plate was removed, replace the cover plate with the three screws.