Replacement Instructions for the Heat Exchanger Unit HP Modular Cooling System

Required tools

To complete the following steps, you will need:

• T-25 Torx driver

• Water hose fitting wrench (included with your original

MCS unit)

• Counter hold wrench (included with your original

MCS unit)

Removing the fan unit

NOTE: For this procedure, remove the fan unit

seated directly behind the heat exchanger unit you

will remove.

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 wei

hs 16.8 k

(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 6)."

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 6)."