Forma Scientific 3940 Operating And Maintenance Manual
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Forma Scientific 3940 Operating And Maintenance Manual

Reach-in incubator
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Forma Scientific, Inc.
Models:
3940/3949
Reach-In Incubator
Operating and Maintenance Manual
Manual No: 7003940 Rev. 0
February 1976

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Summary of Contents for Forma Scientific 3940

  • Page 1 Forma Scientific, Inc. Models: 3940/3949 Reach-In Incubator Operating and Maintenance Manual Manual No: 7003940 Rev. 0 February 1976...
  • Page 2 Forma Scientific, Inc. makes no repre- sentations or warranties with respect to this manual. In no event shall Forma Scientific, Inc. be held liable for any damages, direct or incidental, arising out of or related to the use of this manual.
  • Page 3 Models 3940 and 3949 ______________________________________________________________________________Safety Important operating and/or maintenance instructions. Read the accompanying text carefully. Ce symbole attire l'attention de l'utilisateur sur des instructions importantes de fonctionnement et/ou d'entretien. Il peut être utilisé seul ou avec d'autres symboles de sécurité. Lire attentivement le texte d'accompagnement.
  • Page 4 Models 3940 and 3949 _________________________________________________________________________Service Do You Need Information or Assistance on Forma Scientific Products? do, please contact us 8:00 a.m. to 7:00 p.m. (Eastern Time) at: If you 1-740-373-4763 Direct 1-888-213-1790 Toll Free, U.S. and Canada 1-740-373-4189 http://www.forma.com Internet Worldwide Web Home Page fservice@forma.com...

  • Page 5: Table Of Contents

    Models 3940 and 3949 ___________________________________________________________________Table of Contents Table of Contents Section 1 - Introduction ......2 - 1 Section 5 - Routine Maintenance .

  • Page 6: Section 1 - Introduction

    Models 3940 and 3949 __________________________________________________________Introduction / Specifications Section 2 - Specifications Section 1 - Introduction Construction 1.1 Standard Features Interior Polished stainless steel, 2B finish Exterior Reinforced steel ~ Positive horizontal airflow to ensure stable temperature Shelves Non-perforated stainless steel uniformity throughout the chamber to within ±0.25°C.

  • Page 7: Section 3 - Control Panel Operation

    Models 3940 and 3949_________________________________________________________________Control Panel Operation Section 3 - Control Panel Operation 3.5 Overtemp Safety Control, Indicator Light, and Audible Alarm 3.1 Main Power Switch & Indicator Light The overtemp safety thermostat should be set slightly above the operating temperature of the incubator. In the event The main power switch controls power to the incubator.

  • Page 8: Dehumidify Switch And Indicator Light

    Models 3940 and 3949_________________________________________________________________Installation and Set-Up Section 4 - Installation and Set-Up 3.10 Dehumidify Switch and Indicator Light When the dehumidify switch is in the On position, power to the boiler heaters are interrupted and the refrigeration system 4.1 Location is energized to provide control for drying.

  • Page 9: Power Connection

    Models 3940 and 3949 ________________________________________________________________Installation and Start-Up 4.3 Power Connection 4.6 Humidity System Operation With all the control switches Off, connect the incubator to CAUTION! Do not attempt to operate the humidity system an adequate power source. See the electrical data plate mounted without water in the boiler.

  • Page 10: Section 5 - Routine Maintenance

    Models 3940 and 3949___________________________________________________________Routine Maintenance / Service Section 6 - Service Section 5 - Routine Maintenance CAUTION! Servicing must be performed by qualified service 5.1 Cleaning the Incubator personnel only! The chamber interior should be cleaned with alcohol and/or soap and water. The interior panels should be sterilized with a general-use laboratory disinfectant.

  • Page 11: Recalibrating The Dial Thermometer

    Models 3940 and 3949 _____________________________________________________________________________Service 6. Locate the adjustment screw marked “SET POT SPAN”. 7. Pull the overtemp probe up through the access hole and 7. To raise chamber temperature, turn set pot span screw into the control panel. clockwise in small increments. To lower temperature, 8.

  • Page 12: Replacing The Recorder And Probe(S)

    Models 3940 and 3949 _____________________________________________________________________________Service Replacing the Recorder and Probe(s) Prior to lifting the top section from the incubator, a suitable support arrangement for the top should be provided. 1. Disconnect the unit from the power source. Carpenter’s horses or other means should be provided so that the underside of the top (and capillaries) are suspended to pre- 2.

  • Page 13: Section 7 - Spare Parts

    Models 3940 and 3949 _______________________________________________________________________Spare Parts Section 7 - Spare Parts 12. Reinstall the top assembly by reversing the above proce- dure. Exercise care particularly when: • Placing and aligning the sealer gasket on the 1/2” Stock # Description flange on top of the chamber when lowering the top...
  • Page 14 Models 3940 and 3949 ______________________________________________________________Rear View Dimensions 8 - 1...

This manual is also suitable for:

3949

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