<<O>> Difference Topic LockoutTagoutForFocusPolarizationMovement (r1.2 - 08 Feb 2008 - DavidRose)

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The Lockout/Tagout is designed to disable the 140 Foot Focus and Polarization motors. Lockout/Tagout will be used to prevent motion while certain types of maintenance are performed or as directed.

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The Lockout/Tagout is designed to disable the 43Meter and/or Focus and Polarization motors as required. Lockout/Tagout will be used to prevent servo system or antenna motion while certain types of maintenance are performed or as directed.

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NOTE 1	All personnel will contact the duty operator to confirm access is permitted and describe work to be performed.
1	At the Operator's Console, ensure the Stow Brakes are set.
2	Ensure the antenna control lockout is in the OFF position. When removed, the control key is stored in the Lockout/Tagout box.
3	*Steps to lockout these servos is still pending!*
4	Personnel can now place their lock/tag on the Lockout/Tagout box and access the antenna for maintenance actions.
NOTE 2	Locks/tags can be found at the Lockout/Tagout station.

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NOTE 1	The duty operator will be contact when access is required. Personnel will describe work to be performed.
1	At the Operator's Console, ensure the Stow Brakes are set after the antenna is positioned as requested and prior to personnel gaining access.
NOTE 2	Once personnel lockout the antenna, ensure the 43Meter Main Console window displays the key lock icons (indicates antenna has been locked out).
2	The personnel working on the 43Meter will then take the steps necessary to lockout or disable focus or polarization servos as necessary.

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-- DavidRose - 27 Oct 2005

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-- DavidRose - 8 Feb 2008

<<O>> Difference Topic LockoutTagoutForFocusPolarizationMovement (r1.1 - 27 Oct 2005 - DavidRose)

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%META:TOPICINFO{author="DavidRose" date="1130420384" format="1.0" version="1.1"}% %META:TOPICPARENT{name="TelescopeOperations"}%

TELESCOPE OPERATIONS

LOCKOUT/TAGOUT FOR FOCUS AND POLARIZATION MOVEMENT

General

The Lockout/Tagout is designed to disable the 140 Foot Focus and Polarization motors. Lockout/Tagout will be used to prevent motion while certain types of maintenance are performed or as directed.

Warning

Ensure personal safety through effective lockout/tagout procedures. Ensure servo systems are disabled from movement before releasing them for access.

Info

Stow position for access to the tipping structure is: 0.0 Degs Hour angle / 38.438 Degs Declination
Service position for work via the service tower is: -106.204 Degs Hour angle / -14.553 Degs Declination

STEP	ACTION
NOTE 1	All personnel will contact the duty operator to confirm access is permitted and describe work to be performed.
1	At the Operator's Console, ensure the Stow Brakes are set.
2	Ensure the antenna control lockout is in the OFF position. When removed, the control key is stored in the Lockout/Tagout box.
3	*Steps to lockout these servos is still pending!*
4	Personnel can now place their lock/tag on the Lockout/Tagout box and access the antenna for maintenance actions.
NOTE 2	Locks/tags can be found at the Lockout/Tagout station.

-- DavidRose - 27 Oct 2005

Topic LockoutTagoutForFocusPolarizationMovement . { View | Diffs | r1.2 | > | r1.1 | More }

Revision r1.1 - 27 Oct 2005 - 13:39 GMT - DavidRose
Revision r1.2 - 08 Feb 2008 - 14:21 GMT - DavidRose


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