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SPECIAL AR 3157179 - Caterpillar

3157179 SPECIAL AR Caterpillar parts SPECIAL
Alternative (cross code) number:
Caterpillar 3157179 SPECIAL AR

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Illustration 9 g02686996
"M1" (13) is located on the top of the right propel pump on the upper left pump stack.
Connect one Tool (A) to port "M1" (13) .
Illustration 10 g02544521
Connect second Tool (A) to port "M2" (14) .
Assemble Tool (F) .
Assemble Tool (G) .
Connect Tool (F) to Tool (G) .
Illustration 11 g02686959
Remove the cap from charge pressure tap (15) on the right propel pump. Connect Tool (F) to the pressure tap.
Move engine start switch (8) to the START position. Release the engine start switch when the engine starts.
Operate the engine at low idle for a few minutes.
Move throttle control switch (7) to the HIGH IDLE position twice. For each switch actuation, hold the switch in this position for less than 1 second. The engine speed should increase to 2200 rpm.
Illustration 12 g02544537
Monitor the hydraulic oil temperature on the operator display. Operate the machine until the oil temperature reaches 43 5.6 °C (110 10 °F).
Move propel mode switch (3) to the TRAVEL position.
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.
Note: The propel mode switch must be in the TRAVEL position during this test. If the propel mode switch is in the PAVE position, the machine may drive through the parking brake. If the machine moves at any time during this test, immediately move the propel lever back to the NEUTRAL position. Stop the machine and repair the parking brakes before this test is continued and/or before the machine is placed back in service.
Move parking brake switch (1) to the OFF position.Note: The parking brake switch on the inactive operator station must also be in the OFF position.

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