This document will tell you how to start up and shut down the carts, and troubleshoot.
documents:
LCLS Procedure for Vacuum Qualification RGA Scans
Amanda's doc: RGA Cart Maintenance and Operation
.
Start up and shut down procedures:
General
prep
Bring an N2 cylinder, regulator, and clean hose. Attach that to the cart.
...
Attach the cart to the to-be-qualified chamber, but do not(!) valve in.
valve in to the other chamber only after qualifying the cart itself first with Peter Stefan.
Cart specific
Carts 1 & 2
Cart startup procedure:
turbo controller, bottom right:
Carts 3 & 4
valves:
Cart startup procedure:
1. Plug in the cart
...
- Open the gate valve on top of the turbo
- When turbo hits ~200Hz: Turn on the CCG
- Wait for turbo to settle at 1000Hz and 1A (info on display).
- If this happens, you’re DONE!
- If this does not happen, begin troubleshooting: checking pressure, looking for leaks.
- If issues persist, initiate cart shutdown:
- open the N2 cylinder and regulator
- confirm N2 is coming out of the cart’s PRV
- close the gate valve on top of turbo
- hit Stop (also F1). This stops the turbo + roughing, and automatically vents through the turbo.
- open the small N2 valve on left side of cart, this vents N2 above the closed gate valve.
- wait for vent to complete, confirm N2 is coming out of the cart’s PRV
- close the small N2 valve on left side of cart, close the N2 cylinder
Cart 5
Carts 6 & 7
don't exist... yet.