3 Maintenance3.3.13. Inspection, position switch axes 1, 2 and 33HAC020993-001 Revision: G148© Copyright 2004-2008 ABB. All rights reserved.3.3.13. Inspection, position switch axes 1, 2 and 3Position switches, axes 1-3The position switches are shown, fitted to the robot, in section Installation of positionswitches (option) on page 92.Required equipmentInspection, position switchesThe procedure below details how to inspect the position switch, axes 1, 2 and 3.See the figures in section Installation of position switches (option) on page 92 to locate thedifferent components to be inspected.Equipment, etc. Art. no. NotePosition switch, axes 1-3 - The article numbers of the positionswitches are specified in section Instal-lation of position switches (option) onpage 92.Standard toolkit - The contents are defined in sectionStandard toolkit on page 388.Other tools and procedures maybe required. See references tothese procedures in the step-by-step instructions below.These procedures include references tothe tools required.Action Note1.DANGER!Turn off all electric power, hydraulic and pneumaticpressure supplies to the robot!For Foundry Prime robots: Do not turn off the airpressure to motors and SMB.2. Check the position switch!• Check that the rollers are easy to push in andthat they roll freely.3. Check the rail!• Check that the rail is firmly attached with theattachment screws.4. Check the cams!• Check that the rollers have not caused anyimpressions on the cams.• Check that the cams are clean. Wipe them ifnecessary!• Check that the set screws holding the cams inposition are firmly attached.Continues on next page
