Replacement Instructions for the HEX Coupling HP Modular Cooling System

Required tools
To complete the following steps, you will need:
• T-25 Torx driver
• Flathead screwdriver
• Utility knife
• Water hose fitting wrench (included with your original
MCS unit)
• Counter hold fitting wrench (included with your original
MCS unit)
Removing the fan unit
1. Open the rear MCS door.
NOTE: The number of horizontal brackets varies
depending on the position of the fan unit (top, middle, or
bottom).
2. Using a T-25 Torx driver, remove the four Torx screws securing
the horizontal shipping bracket to the
MCS frame.
3. Loosen the two thumbscrews on the bottom of the
fan unit.
CAUTION: The fan unit weighs 16.8 kg (37 lb). Use
extra caution when removing and replacing the top fan
unit because it might be higher than your shoulders and is
heavy and awkward to lift.
4. Pull the fan unit out toward you, and remove it from the MCS
unit.
To replace this component, see "Replacing the fan unit (on page 4)."
Removing the air deflector
plate
1. Loosen the two thumbscrews securing the air deflector plate to
the MCS unit.
2. Disconnect the green and yellow ground bonding wire.
3. Lift the air deflector plate up, tilt it to an angle, and pull it out
toward you.
To replace this component, see "Replacing the air deflector plate (on
page 4)."