Following are recommended tips for troubleshooting Doboy B-550M Validatable Continuous Band Sealer problems. You will also find a list of part numbers and descriptions for commonly used parts.
Area of Machine |
Advice / Technique |
One Heat Element Does Not Get Hot (Applies to B-550M) |
Heating Element wires may be loose or element is burned out. Check connections at temperature controller. If both are tight, disconnect and check for continuity across heat element wires. Solution: If no continuity, replace Heater Harness Assembly. |
Neither Heat Element Gets Hot (Applies to B-550M) |
Temperature controller may be broken. Solution: Refer to Temperature controller manual and replace if necessary. |
Seal Pressure (Applies to B-550M) |
What Seal Pressure setting is recommended? Solution: Bosch recommends a seal pressure of Not More Than (NMT) 30 PSI be used. Most customers utilize seal pressures in the 20-25 PSI range. |
General Machine Set-up: (Applies to Doboy B-550) |
We will gladly try to talk you through proper set-up of your machine - Call us! |
* Machine troubleshooting & repairs should only be attempted by a qualified mechanic or electrician. Power should always be disconnected prior to troubleshooting.
Parts for Doboy B-550M Series Machines | ||
Spare | Part # | Description |
10 * | 8-110-910-200 | Sealing Band - Teflon-coated (sold in sets of two) |
2 * | 8-110-627-793 | Heating Element (B-550M) |
2 * | 603237 | Thermocouple Assembly with Grommet (B-550M) |
401380 | Back-up Sleeve (Rubber Roller) - Replaced by #8-110-910-404 | |
8-110-910-404 | Assy Back-up Sleeve (Rubber Roller) - Replaces #401380 | |
364181 | Bearings [two (2) per each Compression Roller] | |
401327 | Kit - Idler Pulley - Smooth (Replaces #472029) | |
401329 | Kit - Idler Pulley - 32-Teeth (Replaces #472030) | |
2 * | 372192 | Trimmer Blade (B-550M uses two, identical trimmer blades) |
2 * | 8-110-627-803 | Fuse - 7 Amp |
1 * | 8-110-102-010 | Fuse - 5 Amp |
1* | 440644 | Fuse - 10 Amp |
2 * | 401002 | Spring - Compression |
4 * | 401276 | Belt Guide - Stationary |
4 * | 401275 | Belt Guide - Moveable Set |
8 * | 401179 | Spring - Compression |
215085 | Watlube Heat Release - provides a barrier to oxidation of heater elements |
NOTE: A * in the "Spare" column denotes a part that is recommended as a common spare part for this machine. If a number is listed, that quantity is typically included in the New Machine Spare Parts Kit Option available when ordering a new machine. Trimmer and Coder spare part components with a quantity and * are included only with the respective Trimmer and Coder New Machine Spare Parts Kit Options. (Spare Parts Kit contents are subject to change without notice.)
Call Toll-Free with your Doboy Parts Order 1-800-785-6785