Tip seal service notification observed. Hour meter counted 4407 hours. Tip seals and scrolls contaminated with oil in the teflon dust. Scrolls were cleaned using exacto knife, scotchbrite and yellow handled tool that was improvised. Within 10 minutes the pressure was 8.3E-6 Torr. Turbo pump current ~1/6 Amp.
For instructions of how to reset the tip seal life reading; see maintenance records for TPS-C5.