Appendix C Procedure to Lock Out Front/Rear Terminals and Guard Terminal Switches 311
Appendix C Procedure to Lock Out
Front/Rear Terminals and
Guard Terminal Switches
Introduction
Either or both the Front/Rear Terminals and Guard Terminal switches can be
locked out to prevent changing their settings. To do this, first remove all covers
from the 3458. Then, remove the pushrods from the Front/Rear and Guard
switches. Next, place switch covers over the holes where the pushrods previously
protruded through. The switch covers are in the Front/Rear Terminal and Guard
Switch Lockout kit. Last, reinstall the instrument covers.
WARNING The following procedures are to be performed by qualified
service-trained personnel only. To avoid personal injury, do not
perform the procedures unless you are qualified to do so.
Tools Required
You need:
1. #1 Pozidriv screwdriver
2. #TX 15 Torx driver
3. #TX10 Torx driver
Procedure
The procedure to install the lockout kit is separated into the following:
• Covers Removal Procedure
• Guard Pushrod Removal Procedure
• Front/Rear Pushrod Removal Procedure
• Switch Cap Installation Procedure
• Covers Installation Procedure
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