3.Connect the cables to appropriate connectors on the AC transfer switch, according to the label on each cable.

4.Reconnect the power cables ("Reconnecting the power" on page 73).

5.Complete the operation checklist (on page 73).

Air bleeder valve

The air bleeder valve is located on the top rear of the MCS G2 unit.

The following tools are required for installation:

•Adjustable wrench or Pliers

Removing the air bleeder valve

1.Remove the top fan unit ("Removing the fan unit" on page 36).

2.Close the air bleeder shut-off valve adjacent to the air bleeder valve.

3.Using an adjustable wrench or pliers, unscrew the air bleeder valve from the shut-off valve (1).

Removal and replacement procedures 27