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TUBE AS 3157239 - Caterpillar



3157239 TUBE AS Caterpillar parts TUBE
Rating:
81
Alternative (cross code) number:
CA3157239
315-7239
3157239
Caterpillar 3157239 TUBE AS

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Illustration 2 g02544758
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 g02547937
Move throttle control switch (6) to the LOW IDLE position. Hold the switch in this position for less than 1 second.
Illustration 4 g02549056
After the engine reaches low idle, move engine start switch (7) to the OFF position.
Assemble Tool (A) .
Assemble Tool (B) .
Assemble two sets of Tool (C) .
Connect Tool (A) to one Tool (C). Connect Tool (B) to other Tool (C)
Illustration 5 g02558377
Open right access panel (8) on the right side of the machine.
Illustration 6 g02600117
Remove the cap from port "G" (9) of the generator pump.
Connect Tool (B) to port "G" (9) .
Illustration 7 g02602056
Remove the cap from port "MB" (10) of the generator pump.
Connect Tool (A) to port "MB" (10) .
Illustration 8 g02602059
Remove four bolts (12) (three shown), and remove split flange (11) from port "B" of the generator motor.
Place Tool (D) over port "B" in the generator motor. Install Tool (E) with four bolts (12) .
Place split flange (11) around hose (13). Install Tool (F). Use Tool (G) to secure Tool (F) to split flange.
Move engine start switch (7) to the START position. Release the engine start switch when the engine starts.
Move throttle control switch (6) 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 9 g02545141
Monitor the hydraulic oil temperature on the operator display. Operate the machine until the oil temperature reaches 43 5.6 °C (110 10 °F).
Illustration 10 g02602078
Move generator switch (14) to the ON position.
Record the pressure at port "MB" (10) of the generator pump.
Record the pressure at port "G" (9) of the generator pump.
Subtract the pressure recorded in Step 27 from the pressure recorded in Step 26. The differential pressure should be 30000 1400 kPa (4350 203 psi).
Move generator switch (14) to the OFF position.
Move throttle control switch (6) to the LOW IDLE position. Hold the switch in this position for less than 1 second.
Move engine start switch (7) to the OFF position.
If the pressure is outside the specified range, go to Step 33. If the pressure is inside the specified range, go to Step 37.
Illustration 11 g02602081
Remove cap (15) from the POR valve on the generator pump.
Illustration 12 g02602087
Loosen locknut (16), and turn adjustment screw (17). Clockwise rotation increases POR pressure. Counterclockwise rotation decreases POR pressure.
Hold adjustment screw (17). Tighten locknut (16) .
Go to Step 22.
Remove the tools. Reconnect hose to port "B" of the generator motor. Replace split flange (11) and bolts (12) .
Close right access panel (8) .


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