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Entry time:
Wed Jan 15 13:41:59 2025
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Doug Preddy
Curtis Ballard
Kevin Trithardt
David Kishi
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> Over the last couple of days we replaced the gate on the M9BV5 valve. The > old one had worn the teflon sliders on the sides. Metal shavings on bottom > of body. Found a replacement with metal rollers, rather than slides. > Pumped out downstream of gate valve. It's down to 5E-7 (moved the cable on > the ion gauge so it now reads.) > Started cooling down the solenoid. Charging through the adsorber. LN2 fill > piping broke. Repaired by resoldering. > Ion gauge on solenoid seems to have burnt out last night.
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