1399926 ENGINE AR-COMPLETE Caterpillar parts C-12 ENGINE
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Compatible equipment models: 1399926:
TRUCK ENGINE C-12 Caterpillar
Illustration 2 g03817497
Press screed raise switch (5) to lift the screed. Completely raise the screed.
Illustration 3 g03817529
Engage screed service lock mechanism (6) on both sides of the machine.
Illustration 4 g03817532
Use screed float switch (8) to place the screed in the FLOAT position. When the screed is in the FLOAT position, an LED next to the screed float switch will illuminate. Allow the tow arms to rest on screed service locks (6).
Press rpm decrease switch (9) for the throttle control once to operate the engine in low idle.
Illustration 5 g03790708
Shut off the engine. Either place machine power switch (10) in the OFF position or press and hold push to start switch (7) for 3 seconds. An LED next to the push to start switch will flash when the engine is in shutdown mode. Note: The engine may run for several minutes when placed in the shutdown mode.
If the engine was shut down using the push to start switch (7), move machine power switch (10) to the OFF position.
Illustration 6 g03817569
Place a small strip of reflective tape from Tool (A) on final drive housing (11). Repeat this process for the other side of the machine.
Use a suitable lifting device in order to raise the machine. For this test both tracks must be off the ground. Use supports adequate for the machine weight. Refer to "Specifications", Table 1 for approximate machine weights. Test Procedure
Clear all personnel away from the machine except the operator and an assistant. The assistant must remain 1.25 m (4 ft) away from the machine. The assistant must also be in full view of the operator.
Move machine power switch (10) to the ON position.
Press push to start switch (7) for 2 seconds in order to start the engine. An LED next to the push to start switch will flash when the engine is in start mode. When the engine has started, the LED will remain illuminated. Note: Only one attempt to start the engine is allowed per key cycle. A new key cycle is necessary in order to restart the process.
Operate the engine at low idle for a few minutes.
Illustration 7 g03817575
Press rpm increase switch (13) on the throttle control in order to place the engine in high idle. The engine speed should increase to 2200 rpm.
Monitor the hydraulic oil temperature on operator display (12). Operate the machine until the oil temperature reaches 43 5.6 °C (110 10 °F).
Rotate speed dial (14) clockwise until speed value has reached the maximum setting, 48.8 m/min (160 ft/min).
Press parking brake switch (3) in order to change the status of the parking brake to "disengaged".
Illustration 8 g03817581
Squeeze trigger (15), and move propel lever (4) to the FULL FORWARD position.
Use Tool (A) to measure the rotational speed of final drive housing (11). The speed should be 26.0