2 Installation and commissioning2.3.10. Installation of cooling fan for motors, axes 1-3 (option)3HAC020993-001 Revision: G78© Copyright 2004-2008 ABB. All rights reserved.2.3.10. Installation of cooling fan for motors, axes 1-3 (option)GeneralA cooling fan can be installed on the motors of axes 1, 2 and 3. However, cooling fans foraxes 1 and 2 can not be combined!The cabling for the fans is available in different designs:• complete cabling, including connections for both cooling fans and position switches,at axes 1, 2 and 3. Installation of this complete cabling is detailed in sectionInstallation of cable harness for position switches and fans on page 97.• separate cabling for axis 1 or 2, including only connections for the cooling fans onaxes 1 or 2. Installation of this cabling is detailed in section Installation, separate fancabling axis 1 or 2 on page 82.If both cooling fans and position switches are installed on the robot, the complete cablingmust be used! It can not be combined with the separate cabling.Location of cooling fansThe fans are installed on the motors, axes 1-3, as shown in the figure below.xx0500002157A Cooling fan, axis 1B Cooling fan, axis 2C Cooling fan, axis 3D Rear cover plateContinues on next page
