THE REPAIR MANUAL / 07FICTIONAL TABLETOP MACHINE · UNPOWERED

The machine
knows the fit.

A broken teaching fixture diagnoses its own C17 drive collar—and refuses the near-match.

Wrong collar? Refused by exact specification.
ROWAN PIKE · SYNTHETIC MAKER/TECHNICIANRP-BW7 · REV 07A
01 / INSPECTOBSERVE ONLY · SYNTHETIC VALUES

Follow the
witness marks.

Hand rotation reveals a repeating chatter at the C17 collar. The orange grease-pencil trail isolates the fictional fault.

SYNTHETIC RUNOUT / 1.8 MM C17 COLLAR ZONE FAULT / C17
OBSERVATION: chatter repeats once per collar rotation. No powered test required.
DIAGNOSTIC STAGE 01WITNESS MARK → C17
02 / MATCH THE PARTTHREE FIELDS · ZERO GUESSWORK

Explode. Measure. Match.

The C17 replacement is accepted only when every authored specification agrees.

Required / RP-C17-12
TOOTH COUNT12
BORE17 MM
GEOMETRYKEYED-FLAT K3
EXPLODED ASSEMBLY / NOT TO SCALEC17 EXACT-FIT SPECIFICATION
03 / VERIFYNEAR-MATCH IS NOT A MATCH

The gauge rejects. The spec accepts.

Same family. Similar silhouette. Three exact differences.

RP-C17-11 / NEAR-MATCH

IDRP-C17-11 ≠ 12
TEETH11 ≠ 12
BORE17 MM = 17 MM
GEOMETRYROUND ≠ K3

RP-C17-12 / EXACT MATCH

IDRP-C17-12
TEETH12
BORE17 MM
GEOMETRYKEYED-FLAT K3
Rejected
Accepted
EXACT COMPARATOR / SYNTHETIC DATAFAIL CLOSED → PASS EXACT
04 / RESTORE + REPLAYCONTROL RETURNS TO YOU

Correct collar.
True rotation.

C17-12 LOCKED / RUNOUT 0.2 MM
✓
INSPECT
locate the C17 witness marks
×
REJECT
see the exact RP-C17-11 mismatch
✓
ACCEPT + RESTORE
fit RP-C17-12 and return to baseline
Try live replay →
SYNTHETIC / SAFETY SCOPE
Fictional, unpowered, hand-cranked tabletop teaching fixture. No real repair procedure is depicted.
ROWAN PIKE · THE REPAIR MANUALWATCH → TRY → RESET