PUMP GROUP 2544355 - Caterpillar

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Install hose (16) between the reversing valve and the engine cooling fan bypass manifold. Rotate the engine cooling fan bypass valve end of the hose downward approximately 30 degrees. Tight the nut on each coupling to 140 21 N m (103 15 lb ft).
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Install hose (17) between the engine cooling fan bypass valve and the hydraulic oil cooler. Use a new O-ring (7) for the hose connection to the hydraulic oil cooler. Check the hose routing and adjust so there is more than 25.4 mm (1 inch) of clearance to the damper on the front of the engine. Tighten the nut on each coupling to 140 21 N m (103 15 lb ft).
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Connect the hose assembly to the reversing valve. Use a new O-ring (7), if needed.
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Connect harness (2) to the solenoid on manifold (4). Use strap (3) to tie extra harness length to clip (13) .
Install the front bottom guard from underneath the machine. Tighten the nuts to 370 50 N m (273 37 lb ft)ReferenceDisassembly and Assembly, KENR8915, "Bottom Guard"
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Close the grill doors on the radiator guard. Torque eight bolts to 100 20 N m (74 15 lb ft).
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Install all of the engine enclosure panels on the left side of the machine. Torque seven bolts to 55 10 N m (40 7 lb ft).
Remove the vacuum suction on the hydraulic tank and check the fluid level. Add hydraulic fluid as needed.
Proceed to ""Installing the New Software"".Installing the New Software
Note: Cat Electronic Technician (Cat ® ET) version "2012B" or later is required in order to configure the Engine Cooling Fan Bypass.
Before installing the software, make sure that the tractor is in proper operating condition.
Turn the battery disconnect switch to the ON position.
Connect a computer with Cat ET to the communication port in the cab.
Turn the ignition key to the ON position.
Download the Product Status Report.
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Flash the 422-8380 Engine Ratings Electronic Software Gp or the most current software onto the tractor. The above error message may display when you attempt to flash the software.
Use Cat ET to navigate to the Configuration page for the engine ECM.
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Change the "Fan Bypass" parameter to "Installed".
After the software is installed and the parameter is modified, disconnect Cat ET.
Cycle the ignition key and the battery disconnect.
Reconnect Cat ET and check to make sure that all software changes and configurations are saved.
Start the tractor and check for leaks and proper functionality of the Engine Cooling Fan Bypass attachment.Proper Functionality of the Engine Cooling Fan Bypass Attachment
In order for the fan bypass feature to become enabled, the