ProcedureGantryPM
Off-delay timer (X-ray tube cooling protection) setting and function check — 1.48
Confirm the off-delay timer that protects X-ray tube cooling is set correctly (mode D, hrs, max scale 1.2, dial at 1.0), then — only in connected mode — run a timed function check that drops the dial to 0.05 and verifies the gantry's stationary section cuts power immediately while the rotation section follows 3 minutes later, before restoring the dial to its normal setting.
Applies to
Aquilion 16 (TSX-101A)
Personnel
1 technician · Basic for the setting check — a visual read of the off-delay timer's mode window, time-unit window, scale, and set dial. Intermediate for the function check, which requires recognizing that the system must already be in connected mode (short connector installed at CN117), timing a 3-minute rotation-section power-down correctly against the stationary section's immediate drop, and restoring the dial afterward (skill assessed from procedure content, not an OEM-stated level).
Steps
5 steps
Source
2Y201-061E*E p.93-94
Tools & parts
| Item | Part number | Qty |
|---|---|---|
| Off-delay timer (front-panel mode window, time-unit window, scale, set dial) | n/a in source | |
| Console power switch | n/a in source | |
| CN117 short connector | n/a in source |
Full step-by-step for Off-delay timer (X-ray tube cooling protection) setting and function check — 1.48
All 5 steps are documented in the FSELIB Aquilion 16 (TSX-101A) service manual — re-authored, web-first, with the real figures from the source.
Open the full procedureRelated Gantry guides
Bring the gantry into the scanner room15 stepsAlign the slip-ring brush assemblies10 stepsClean the large-current slip ring (LCSR)21 stepsOperational checks of gantry, couch, detector and X-ray tube18 stepsInstall optional units and mount the covers6 stepsClean dome internal-projector window and check Mylar ring mounting — 1.345 steps
View all Aquilion 16 (TSX-101A) guidesSource: 2Y201-061E*E p.93-94. Preview re-authored by FSELIB — the full procedure with figures and steps is in the paid service manual.