SOP-L3-014 rev C (invented for training)
Line 3 first-piece check
Owner: Line 3 supervisor
Purpose: confirm the heat sealer is making good seals after a changeover.

1. Match the job number on the traveler to the schedule.
2. After any changeover, keep the first 3 pieces.
3. Measure the seal width at the left, centre and right of each piece. Spec: 12.0 mm plus or minus 0.5 mm.
4. Record the readings on the check sheet.
5. If any reading is out of spec, stop the line and call the lead.
6. The operator signs the sheet. The lead initials all sheets at the end of the shift.

History: written for the previous sealer. Rev B added step 5. Rev C changed the spec to millimetres.
Approvals: Quality ______  Operations ______  Date ______
Revision log: rev A, rev B, rev C