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Sterling BF3-600 Section 5: Maintenance

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Digital Dosing Units 35

Figure

Section 5: Maintenance

5.1 Maintenance Intervals

Daily:

Check warning signs on equipment for good legibility

and completeness.

Weekly: Check function of the on/off Switch.

Every 3

months:

Check scraper in dosing station DD/DT.

Every 6

months:

Check all electrical and mechanical connections for

tight fit.

Check adjustment of the level probes (optional).

Annually: Check dosing disc in dosing station DD/DT.

Each time

after

material

Is changed:

Clean the dosing station.

Check scraper.

Check dosing disc.

5.2 Removing the Scraper

Removing the scraper

1. Empty the dosing station.

2. Open the profile clamp

(B) on the dosing hopper.

3. Remove the dosing hopper

from the dosing unit.

4. Open the safety screws at

the toggle-type fasteners.

5. Open the toggle-type

fasteners on the dosing

motor.

Contents

Main SDD Digital Dosing Units Asia/Australia +86 512 8717 1919 Sales and Contracting Department Table of Contents Section 1: Introduction Page 1.1 Controller Page Symbols Section 2: Quick Start-up Page Page Section 3: Initial Installation And Operation 3.1 Initial Installation Page 3.2 Initial Operation 3.3 Injection Molding Page Page Page Operation-Injection Molding 3.4 Extrusion Constant Recipe Input Extrusion Constant Page Page Operation Extrusion Constant 3.5 Extrusion Proportional Recipe Input Extrusion Proportional Page Operation Extrusion Proportional 3.6 Calibration Determining the Calibration Weight Page Page Section 4: Advanced Operations/ Control Functions 4.1 Recipe Storage And Recall Recipe Storage Recipe Recall 4.2 Clearing The Totalizer 4.3 Acknowledging Alarms 4.4 Optional Equipment Alarms Level Probes Page Section 5: Maintenance 5.1 Maintenance Intervals 5.2 Removing the Scraper Removing the scraper Installing the scraper 5.3 Cleaning the Digital Dosing Dosing Station Dismantling the Dosing Station Installing the Dosing Station 5.4 Changing the Dosing Disc in the Digital Dosing Dosing Station Removing the Dosing Disc Installing the Dosing Disc Installing Different Types of Dosing Discs 5.5 Removing/Replacing the Scraper in the DT Dosing Station 5.6 Cleaning the DT Dosing Station 5.7 Exchangeable Stations 5.8 Replacing Fuses Page Appendix A: Troubleshooting A.1 General Troubleshooting - Unit Will Not Operate A.2 Malfu nctions or Error s - Error Codes ERROR CODES A.3 Determining the Software Setup Factor A.4 Recipe Formulas Injection Molding Extrusion Page Appendix B: Basic Parameter Settings Determining the Configuration Value Extrusion (Constant or Proportional): Injection Molding: Page Page Page Page Appendix C: Disc Dosing Factors And Equipment Drawings And Parts Disc Dosing Factor Table 1: Disc Guide Numbers Page Page Page Specification Sheet Disc Dosing Factor Table 2 Digital Dosing unit parameter setup 7-14 Page Page Page Page Appendix D: Spare Parts List Dosing Disc/Shear Order Numbers Page Technical Assistance Parts Department Service Department Sales Department Contract Department