SCREW 0005256 - Caterpillar

Preparations for Checking Engine Speed
Table 1
REQUIRED TOOLS    
Part Number     Description     Quantity    
    Laptop Computer with Electronic Technician (ET)     1    
7X-1700 or 171-4400     Communication Adapter Group     1    
7X-1425 (1)     Adapter Cable     1    
139-4166 (1)     Data Link Cable Assembly     1    
196-0055 (2)     Serial Cable     1    
160-0133 (2)     Data Link Cable Assembly     1    
( 1 ) This cable is used with the 7X-1700 Communication Adapter Group .
( 2 ) This cable is used with the 171-4400 Communication Adapter Group .Refer to Testing and Adjusting, "Tooling Preparation" for additional information for tooling assembly and for alternate methods of testing.
Illustration 1 g01018165
Turn screws (2) counterclockwise and remove panel (1) .
Illustration 2 g00796016
Connect the communication adapter to service tool connector (3) .Procedure for Adjusting the Cable
Ensure that the engine start switch key is in the OFF position.
Move the governor control lever to the HIGH IDLE position.
Fully depress the deceleration pedal.Note: Maintain this position for the remainder of this procedure.
Exit the machine.
Open the access panel on the left side of the machine.
Illustration 3 g01020812
Loosen jam nut (2) and disconnect cable (3) from clevis (1) .
Move the governor control lever to the LOW IDLE position.
Thread cable (3) into clevis (1) until there is no slack in the cable.
Move the governor control lever to the HIGH IDLE position.
Turn cable (3) for an additional half of a turn.
Tighten jam nut (2) .
Ensure that LOW IDLE is set properly and ensure that HIGH IDLE is set properly.
Ensure that the laptop computer is connected to the data port. Refer to "Preparations for Checking Engine Speed".
Enter the machine.
Fasten the seat belt.
Start the engine and increase the engine speed to HIGH IDLE.
Note the engine speed. The engine speed should be 2400 40. If the engine speed is not within the specification, adjust the cable for the deceleration pedal. Refer to Testing and Adjusting, "Cable (Deceleration Pedal) - Adjust".
Use the governor control lever to decrease engine speed to LOW IDLE.
Note the engine speed. The engine speed should be 850 50. If the engine speed is not within the specification, adjust the cable for the deceleration pedal. Refer to Testing and Adjusting, "Cable (Deceleration Pedal) - Adjust".