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Thermoglaze 
Model TG 50 
 
Operator’s Manual 
For  
Serial Number W04060001 on 
 
 
 
Belshaw Bros., Inc. 
1750 22nd Avenue South 
Seattle, WA  98144-4590 
Phone:  (206) 322-5474  •  Fax:  (206) 322-5425 
Toll Free:  1-800-578-2547 
Email: service@belshaw.com  • http://www.belshaw.com 
                                                                                                                                                                                              
                    
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                          Congratulations on buying a new   Thermoglaze from Belshaw Bros., Inc. Please    inspect the unit carefully for damage or    missing pieces immediately after receiving  your system. Belshaw cannot pay for shipping    damage, because the freight company has    accepted the machine from Belshaw in good  condition, and is responsible for its safe delivery.     For your protection, each crate should be    inspected before signing the Bill of Lading to    report any visible damage caused by the  tr
                    
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                           Contents    1 Unloading and Uncrating 1  2 Identification 2  3 Installation 4  4 Assembly 5  5 Operation 8  6 Cleaning 9  7 Maintenance 22  8 Troubleshooting 23  9 Appendix 27    nd Belshaw Bros., Inc. • 1750 22 Ave. S. • Seattle, WA 98144 • Phone 206-322-5474 • Fax 206-322-5425  Thermoglaze 50 MN-1716EN iii                                                                                                                                                                                            
                    
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                          Preface    The operator of the Thermoglaze is expected to  behave safely, read this manual before operation,  and follow its instructions and warnings.  Study the instructions and warnings in this  manual carefully before operating the equipment.    A thorough understanding of how to install,  maintain, and safely operate the Thermoglaze  will prevent production delays and injuries. Prior  operation of the equipment before reading and  understanding the instructions in the manual will  void th
                    
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                          1 Unloading and Uncrating    Do not connect the Thermoglaze or the  DO NOT LIFT EXCESSIVE  Thermolizer to electrical power before  WEIGHT  completing the assembly and placement of  the products.   Once the crate has been delivered,  immediately take the covers off the crate and Figure 1-1 shows the system in the crate ready to  inspect for hidden damage. If damage is be unpacked. The cartons under the Thermoglaze  found, please see the above information to contain the glaze trough and oven gua
                    
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                          Identification 2    This information is key to identification for  service or ordering parts on the ThermoGlaze.  When servicing the equipment, please have the  Model and serial number so the technician can  order the correct parts for you. To identify which  Thermoglaze system you have, please use the  following model number key:   THERMOGLAZE DESCRIPTION KEY    Model No: -  Doz/hr: -  Glaze Pump:    Opt. Items: -           Voltage: - Freq: - Phase: -       TG          50         G = Gear Pum
                    
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                          Part No. Description Key   Drawings    22120  TG-25-GD-220/240-60-1-D JR. TJ-2007, TJ-4002    22231  TG-25-GB-415-50-3w/N-C JR TJ-2006, TJ-4004 (415/240V)  22247  TG-25-GB-415-50-3w/N-E RVO TJ-2012, TJ-4005 (415/240V)    22010  TG-50-G-208-60-1-W STD     TNG-2011, TNG-4008   22054  TG-50-GV-208-60-1-D        STD     TNG-2011, TNG-4008  22011  TG-50-GV-220/240-60-1-D  STD TNG-2011, TNG-4008    22013  TG-50-GV-400/230-50-3-C STD  TNG-2011, TNG-4012  22067  TG-50-GM-400/230-50-3-C  SPL  TNG-2012,
                    
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                          Installation 3    Venting:   WARNING  Local codes prevail. The authorities having  jurisdiction are stated in NFPA 96-1994  To avoid electrocuting yourself or damaging  regarding requirements for the Thermoglaze.   the Thermoglaze, never allow water, steam,  cleaning solution, or other liquid to enter the    electrical panels or connections  Building Layouts:   Specification sheets and AutoCAD drawings for  Electrical:   use in developing architectural drawings can be  Model Dimensions Power R
                    
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                          Assembly 4    Clean all parts with mild soap and water and figure 4-1 and 4-4 for help setting the trough in  let dry before assembly and applying place. After the trough is in place attach the glaze  electrical power to the equipment. hose to the trough by pushing it in the hose  mount in the center of the trough. Second is the  The Thermoglaze unit is design for ease of  Heat Shield over the oven portion of the  assembly and use. The system is crated in a  Thermoglaze. Slip it over the oven 
                    
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                          Transfer  Conveyor  Assembly  Figure 4-2 Infeed – Left hand view. Figure 4-3 Swing away glaze trough.   (Optional)    Figure 4-4 Right Hand View:     nd Belshaw Bros., Inc. • 1750 22 Ave. S. • Seattle, WA 98144 • Phone 206-322-5474 • Fax 206-322-5425  6 MN-1716EN Thermoglaze 50                                                                                                                                                                                                                            
                    
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                          Figure 4-5 Control Panel View:   The Thermoglaze system consists of a Thermoglaze  unit and the Thermolizer. They are placed in unison  in the area located for the production of donuts. See  Figure 4-6 for Thermoglaze system.   Figure 4-6 Thermoglaze System.    nd Belshaw Bros., Inc. • 1750 22 Ave. S. • Seattle, WA 98144 • Phone 206-322-5474 • Fax 206-322-5425  Thermoglaze 50 MN-1716EN 7                                                                                                            
                    
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                          Operation 5    using the on switch located on the main  • Turn on main power switch and allow to heat  control panel.   to operating temperature. (Note: conveyor  will not move until the oven is up to  • After the donuts are thawed, place a screen of  operating temperature and the donut  donuts from Thermolizer box to the infeed  ready light is on.  See Figure 5-1.)   end of the Thermoglaze conveyor and allow  the screen to travel through the oven and  glazer. This takes approximately 3 minute
                    
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                          Cleaning 6    Daily TG Cleaning  Instructions  Disassembly  1. Allow the Thermoglaze to completely  cool. (All material must under 130º)  2. Pump the unused glaze back into a bucket.   3. Disconnect the TG from power!   4. Remove the glaze trough.  7. Remove the oven heat shield.  5. Remove the drive belt.  8. Disconnect the conveyor drive coupling.     6. Remove the glazer drain tray.  nd Belshaw Bros., Inc. • 1750 22 Ave. S. • Seattle, WA 98144 • Phone 206-322-5474 • Fax 206-322-5425  Thermo
                    
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                          9. Remove the conveyor assembly through 12. Lift up on the outfeed upper finger housing and  the outfeed end of the oven.  slide it to the rear of the oven disengaging it  from the mounting bracket.   10. Turn the end cover latches  counterclockwise.  13. Lower the end of the finger assembly.  11. Remove the end covers.  14. Pull the finger assembly off the duct on the back  of the oven and remove it.  nd Belshaw Bros., Inc. • 1750 22 Ave. S. • Seattle, WA 98144 • Phone 206-322-5474 • Fax 206-
                    
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                          15. Lift up on the outfeed lower finger 18. Remove the infeed upper finger assembly.  assembly and remove it.  19. Remove the infeed finger assembly.  16. Lift up on the infeed upper finger  assembly.  20. Lift up on the outside end of the upper air duct  panel.  17. Slide the infeed upper finger assembly to    the rear of the oven.  nd Belshaw Bros., Inc. • 1750 22 Ave. S. • Seattle, WA 98144 • Phone 206-322-5474 • Fax 206-322-5425  Thermoglaze 50 MN-1716EN 11                                 
                    
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                          21. Remove the upper air duct panel 24. Remove the oven crumb tray  22. Lift up on the outside end of the lower air 25. Oven with all parts removed.   duct panel.  26. Insert flat tip screwdriver into finger  23. Remove the lower air duct panel. assembly if it cannot be removed by hand.  nd Belshaw Bros., Inc. • 1750 22 Ave. S. • Seattle, WA 98144 • Phone 206-322-5474 • Fax 206-322-5425  12 MN-1716EN Thermoglaze 50                                                                                
                    
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                          27. Remove the finger cover. 30. Remove the lower glaze hose clamp and  gasket.  28. Remove the columnating plate.   31. Remove the upper pump clamp.  29. Loosen the lower glaze hose clamp.  32. Lift the glaze reservoir and remove the gasket  nd Belshaw Bros., Inc. • 1750 22 Ave. S. • Seattle, WA 98144 • Phone 206-322-5474 • Fax 206-322-5425  Thermoglaze 50 MN-1716EN 13                                                                                                                              
                    
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                          33. Remove the glaze reservoir and hose. 36. Remove the glaze pump cover and “O” ring.  34. Remove the drip pan. 37. Remove the glaze pump body.  35. Remove unscrew the 4 glaze pump cover 38. Insert a flat tip screw driver into the slot to  wing nuts.  loosen the pump body if it can not be  removed by hand.   nd Belshaw Bros., Inc. • 1750 22 Ave. S. • Seattle, WA 98144 • Phone 206-322-5474 • Fax 206-322-5425  14 MN-1716EN Thermoglaze 50