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SPECIAL AR 3157168 - Caterpillar



3157168 SPECIAL AR Caterpillar parts SPECIAL
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41
Alternative (cross code) number:
CA3157168
315-7168
3157168
Caterpillar 3157168 SPECIAL AR

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Personal injury or death can result from sudden machine movement.Sudden movement of the machine can cause injury to persons on or near the machine.To prevent injury or death, make sure that the area around the machine is clear of personnel and obstructions before operating the machine.
Table 1
Required Tools    
Tool    Part No    Description    QTY    
A     146-4080     Digital Multimeter Group     1    
B     7X-1710     Probe Group     1    
Drive the machine to a smooth, horizontal surface.
Illustration 1 g02523102
Move propel lever (1) to the NEUTRAL position.
Rotate speed dial (4) to the MINIMUM position.
Move parking brake switch (2) to the ON position.
Move propel mode switch (3) to the PAVE position.Note: The machine must be in PAVE mode in order to operate the screed lift system.
Illustration 2 g02523104
Move screed lift switch (5) to the FLOAT position. Allow the screed to lower to the ground.Note: The screed lift switch on both instrument panels must be in the FLOAT position in order for the screed to lower.
After the screed rests on the ground, move screed lift switch (5) to the HOLD position.
Illustration 3 g02523107
Move throttle control switch (6) to the LOW IDLE position. Hold the switch in this position for less than 1 second.
Illustration 4 g02523108
After the engine reaches low idle, move engine start switch (7) to the OFF position.
Illustration 5 g02523109
Left Operator Platform Shown
Lift platform lock (8). Rotate the operator platform outboard in order to access the connectors of the operator control unit.Note: If the left sensor is being tested, rotate the left operator platform. If the right sensor is being tested, rotate the right operator platform.
Illustration 6 g02523112
Left Operator Control Unit Shown
Remove cover (10) from connector "J1" (12). Remove cover (9) from connector "J2" (11) .Note: The "J1" connector can be identified on either ECM by the rectangular protrusion in front of the connector.
Illustration 7 g02523118
Connector J1 and Connector J2 Pin Locations
Insert black spoon of Tool (B) into pin "45" (C234-BK wire) of connector "J1" (12). Connect black spoon to Tool (A) .
Insert red spoon from Tool (B) into pin "15" (A334-BU wire) of connector "J2" (11). Connect red spoon to Tool (A) .
Set Tool (A) to read "duty cycle".
Move engine start switch (7) to the ON position. Do not start the engine.
Value on


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