ECR - Replace HSTS Lower Blade Stops

Document #:

LIGO-E1201116-v2

Document type:

E - Engineering documents

Abstract:

This is an Engineering Change Request to replace the HSTS Lower Blade Stops on the Upper Mass.

Files in Document:

• E1201116-v2 - ECR - Replace HSTS Lower Blade Stops.pdf (151.9 kB)

Other Files:

• E1201116-v2 - ECR - Replace HSTS Lower Blade Stops.docm (29.1 kB)

Topics:

• Change Control
• Installation
• Suspensions
• Final Design

Authors:

• Derek Bridges
• Norna Robertson

Keywords:

ECR SUS HSTS upper mass lower blade

Notes and Changes:

v1 ECR approved by Dennis Coyne 1/28/2013

v2 puts forward proposal that for those suspensions already installed and difficult to access we will wind back the existing screws and stake them with a small amount of EP30 epoxy , air cured.

Related Documents:

• LIGO-D0900980: Screw, Socket Head Cap, #4-40 UNC-3A X 0.375 Long, Fully Threaded, Rounded End