ProcedureGantry — Rotation driveAdjust

Adjust the rotation balance (weights)

Adjust the rotation-section balance weights whenever any unit installed in the rotation section has been changed, by measuring the force needed to move the rotation section at four clock positions and correcting the front/rear weight distribution until the readings fall within tolerance of each other.

Applies to
Aquilion 16 (TSX-101A)
Personnel
1 technician · Adjustment/measurement — taking averaged push-pull-gauge readings at four clock positions, comparing the spread against a 1 kg tolerance, and adding/removing matched front-and-rear weight blocks from a defined catalog; no electrical test or component replacement is described for this section (skill assessment derived from procedure content — not an OEM-stated skill level).
Steps
7 steps
Source
2D201-061E*H p.116-118

Tools & parts

ItemPart numberQty
Standard toolsn/a in source1 set
Push-pull gaugen/a in source1
Adjustment weightssee Table 8.9-1as needed, per Table 8.9-1

Safety

WARNING

Hazard: Removing a part of the gantry rotation section without first engaging the rotation lock pin of the rotation drive section

Consequence: The rotation section may rotate suddenly due to the weight imbalance caused by removal of the part, and a worker may get caught in the rotation section and be seriously injured as a result

Avoidance: Engage the rotation lock pin of the rotation drive section before removing any part of the rotation section; hold the rotation section firmly when pulling out the rotation lock pin

Full step-by-step for Adjust the rotation balance (weights)

All 7 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 procedure

Related Gantry — Rotation drive guides

Troubleshoot the rotation section0 stepsRun the console malfunction-diagnosis program (hwtest)0 stepsRun the independent MHR PWB test (diagnostics) from the RTM terminal4 stepsRemove the host PC unit (PX74-07959 GR-1/GR-2)4 stepsRemove the host PC unit (PX74-08766 GR-1/GR-2)5 stepsRemove and install an RDD disk/power-supply unit (Rorke Data)5 steps
View all Aquilion 16 (TSX-101A) guides

Source: 2D201-061E*H p.116-118. Preview re-authored by FSELIB — the full procedure with figures and steps is in the paid service manual.