The Nursery Machine Page 17 Apr 2026

If using pelleted seeds (e.g., lettuce or petunia), reduce the vacuum pressure from 0.4 bar to 0.25 bar to avoid cracking the seed coat.

It seems you are referring to a specific from a manual, catalog, or textbook about a nursery machine (e.g., a tree seedling transplanting machine, soil block maker, or automated nursery tray filler). the nursery machine page 17

| Error Code | Symptom | Likely Cause (from Pg. 17) | | :--- | :--- | :--- | | | Tray stops halfway | Optical sensor blocked by peat moss. Clean with soft cloth. | | E-17B | Double seeding | Worn vacuum seal ring (part #N-422). Replace every 500 hours. | | E-17C | Crushed seedling cups | Exit ramp height > 5 mm above conveyor. Lower ramp per diagram 17-F. | If using pelleted seeds (e

Never reach into the metering head during operation. Page 17 repeats the lockout/tagout procedure: Disconnect battery or unplug mains power before clearing any jam. If you upload a scan or describe the illustrations/diagrams on your page 17, I can rewrite this to match the exact machine model (e.g., "Paperpot Transplanter," "Honda Nursery Tractor," or "BCCS Soil Block Press"). 17) | | :--- | :--- | :---

| Parameter | Target Setting | Adjustment Method | | :--- | :--- | :--- | | | 2× seed diameter | Loosen thumb screw (Fig. 17-A) on the press wheel arm. Rotate cam to position A (shallow) or C (deep). | | Cell-to-Cell Spacing | 35 mm ± 1 mm | Use the digital encoder (Menu > Calibration > Spacing). Run 50 cells manually, then measure with a ruler. |

Since I do not have access to the exact document you are viewing, I have prepared a suitable for page 17 of a nursery machinery guide. This write-up focuses on a critical maintenance and calibration section, which is common for such manuals.