Thursday, December 05, 2024, 11:04: RP1 was struggling to pump down. RP SN: MY20055A02 removed. Tip seal replacement likely req'd.
Swapped with a new roughing pump SN: MY2340SA06 (Voltage set to 115V. Shipping locks loosened prior to install)
Ballast filter installed.
Thursday, December 05, 2024, 11:05: Roughing.
Thursday, December 05, 2024, 11:10: Vacuum pressure dropping optimally. Down below 1T already
Thursday, December 05, 2024, 11:47: TP & other RP ok. Note TP1A is getting louder on startup. Will likely need a change out in Q1 - 2025.
Additional source tray inspection:
Monday, December 16, 2024, 15:30: OK
Images attached. |