Pre-Shipment QA Checklist — How Every MZ Reformer Is Inspected
Every reformer ships from our Darra QLD warehouse. Before it leaves, a technician works through 12 inspection points on a paper checklist attached to the order. Here is exactly what that checklist covers — no marketing gloss, just the items on the sheet.
The 12-Point QA Checklist
Each item must receive a ✓ (pass) before the reformer is cleared for dispatch. A single ✗ (fail) sends the unit back for rework or replacement.
| # | Checkpoint | What We Look For | Common Failures |
|---|---|---|---|
| 1 | Frame alignment | Place reformer on a flat surface. Measure diagonal corner-to-corner. Difference must be ≤ 3 mm. | Welding warp during transit from factory; rare with aluminium (1 in ~200 units), more common with wood frames in humid conditions |
| 2 | Rail parallelism | Measure rail spacing at 3 points (head, middle, foot). Variance must be ≤ 2 mm across all 3 points. | Rail bracket not torqued to spec (factory assembly error). Fixed by re-torquing to 25 N·m. |
| 3 | Carriage glide | Push carriage through full range 10 times. Must move smoothly without sticking, clicking, or lateral play. Wheel contact must be even on both rails. | Debris in wheel bearings from factory floor (resolved by compressed air clean); wheel spacing off by > 1 mm (replace wheel bracket) |
| 4 | Spring tension calibration | Hook each spring to a tension gauge. At 300 mm extension, force must fall within the spec band: 0.8–1.2 kg for light, 1.3–1.7 kg for medium, 1.8–2.2 kg for heavy. ASTM A228 music wire tolerance: ±8%. | Spring batch variance — if 2+ springs in a set are out of spec, the entire spring set is replaced before shipping |
| 5 | Spring hook & eyelet integrity | Visual inspection under bright light for hairline cracks at the hook bend point. Quick-fit clips must engage fully with an audible click on all 5 anchor points. | Hook stress fractures from over-crimping during manufacture (detected in ~1 in 500 hooks). Part replaced immediately. |
| 6 | Footbar mechanism | Cycle footbar through all positions (4 positions on foldable models). Lock pin must seat fully at each stop. No grinding or resistance. | Lock pin slightly out of alignment from factory assembly (bracket adjustment fixes this in 2 minutes) |
| 7 | Rope & pulley system | Pull each rope through full range under 10 kg load. Rope must track centre of pulley groove without rubbing on the housing. Zero fraying at crimp points. | Pulley misalignment from shipping knock (rare — pulley bracket is steel-reinforced) |
| 8 | Upholstery & stitching | Carriage and shoulder rest upholstery: no loose stitching, no adhesive bleed at edges, foam density consistent (press test at 4 corners — must rebound within 1 second). | Adhesive residue on vinyl edge from manufacturing (cleaned off if found); skipped stitch on corner (replace upholstery panel) |
| 9 | Hardware torque check | Spot-check 8 critical bolts with a calibrated torque wrench. Spec: M8 bolts at 25 N·m, M6 at 12 N·m. Any bolt found below 80% of spec = entire unit re-torqued. | Factory torque variance on leg bolts (most common in units shipped during humid season — wood expansion affects torque) |
| 10 | Surface finish | Walk around the reformer under 5000K inspection light. No scratches > 20 mm on visible surfaces. Powder coat on aluminium must be even — no orange peel texture, no thin spots at weld joints. Wood frames: no splinters, varnish must be even with no drip marks. | Powder coat thin spots at rail ends (1 in 150 units — touched up or replaced); varnish pooling on wood frame corners |
| 11 | Folding mechanism (foldable models only) | Fold and unfold 3 times. Hinge must move freely without binding. Locking pin must engage in both open and folded positions. Folded dimensions must match spec: ~122 × 64 × 30 cm (±2 cm). | Hinge too stiff from factory (lubricated and re-tested); folded dimension off by > 2 cm (hinge stop adjustment) |
| 12 | Accessories & packaging | Confirm all accessories listed on the packing slip are in the box: shoulder rests, foot straps, hand straps, assembly tools, printed manual. Box must be sealed with tamper-evident tape. Shipping label checked against order address. | Missing accessory (packing error — corrected before seal); manual version mismatch (replaced with current revision) |
What Happens When a Unit Fails QA
When a checkpoint fails, the unit goes to one of three paths:
- Minor fix (checkpoints 1, 2, 6, 9, 10, 11): Corrected on the spot by the warehouse technician. Fix is noted on the checklist. Unit re-inspected on the failed checkpoint only. Typical fix time: 5–20 minutes.
- Part replacement (checkpoints 3, 4, 5, 7, 8): The defective component is removed and replaced from spare parts inventory. The failed part is tagged and returned to the factory for root cause analysis. Unit re-inspected on the failed checkpoint. Typical fix time: 30–60 minutes.
- Unit rejection (2+ failed checkpoints, or any frame weld failure): The entire unit is pulled from inventory, marked as rejected, and returned to the factory with a detailed failure report. The customer's order is fulfilled from a different unit. This has happened with approximately 1 in 300 units.
Who Does the Inspection
Our Darra QLD warehouse is staffed by a small team trained on this specific checklist. Each inspector initials and dates the completed checklist, which is kept on file for the warranty period. If you ever need to see the QA sheet for your specific reformer, email support@zenithmusclefitness.com with your order number and we will send you a scanned copy.
Why No Photos?
You may notice this page has no photos of the QA process. That is deliberate. Staged QA photos are a marketing tactic — they show a clean gloved hand holding a caliper, proving nothing. We chose to publish the actual checklist text instead. It is less visual but more useful: you can see exactly what gets checked and what the failure thresholds are.
Last updated: 2026-06-07. Checklist revision 2.1 (current as of March 2026).