HEATER 5307616 - Caterpillar

Unlock latch (4) and open engine hood (5).
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Remove the locking pin and raise support bar (6) in order to secure the engine hood. Install the locking pin in order to secure the support bar.
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Unlock latch (7) and open right engine door (8).
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Install a piece of reflective tape from Tool (A) on fan blade (9). Note: Check for existing tape on the fan blade or on the fan hub. More than one piece of tape will cause inaccurate readings.
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Disconnect solenoid connector (11) from fan motor (10).
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Left Side of Base of Operator Seat
Connect Tool (E) and Tool (F) to Tool (D). Connect Tool (E) to diagnostic connector (12). Connect Tool (F) to USB port on Tool (C).
Move engine start switch (3) to the START position. Release the switch when the engine starts.
Launch the Plus+1 program on the computer in order to allow the machine to go into high idle. Note: First time users need to perform the tasks in the Communication and Connections Wizard. This wizard allows the Windows® operating system to recognize the USB device. Follow the on screen instructions.
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Click on "Open Diagnostic File" (13).
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Click on "CAT Diagnostic Files" (14). Click "Open" button.
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Note file name (15) on the "Open Diagnostic File" line. Select the file name from drop-down menu (16). Click "Open" button.
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Check "Active Codes" (19). Clear any open "Active Codes".
Click on "Status" icon (17).
Select "Machine Control" (18) from the "Available ECMs".
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Click on "Throttle Test" (20).
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Click "Enable" button (21).
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Field (21) and field (22) should read "Enable".
Move propulsion lever (1) to the FORWARD position.
Operate the engine at high idle. Engine speed should be 2300 50 rpm. Monitor the hydraulic oil temperature with Tool (B). Operate the machine until the oil temperature reaches 43 5.6° C (110 10° F).
Read fan speed on Tool (A). The speed should be 1850 50 rpm.
Move propulsion lever (1) to the NEUTRAL position in order to operate the engine at low idle. Engine speed should be 1000 25 rpm.
Move engine start switch (3) to the OFF position.
Disconnect tooling from diagnostic port (12).
If the fan speed is not within specification: Test the charge pressure. Refer to Systems Operation, Testing and Adjusting, "Relief Valve (Charge) Test and Adjust". If the fan speed is not within the specification and the charge pressure is correct, calibrate the fan speed. Refer to Systems Operation, Testing and Adjusting, "Fan Motor Speed Calibration". If the charge pressure is correct and the fan motor is calibrated and the fan speed is not within the specification, repair or replace the cartridge in the fan motor. If the cartridge in the fan motor is correct and the fan speed is not in within the specification, repair or replace the fan motor.
Connect fan motor solenoid connector (11) to the fan motor solenoid.
Close right engine door (8) and secure latch (7).
Remove and lower support bar (6). Secure the support bar with the locking pin. Close engine hood (5).