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Manual Welch 2511

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  • Welch 2511 - page 1

    OWNER’S MANU AL FOR ASPIRA TION / FIL TRA TION V ACUUM SYSTEM MODELS: 2511 & 2515 W elch Rietschle Thomas 7301 North Central Avenue Skokie, IL 60077 Phone: (847) 676-8800 F ax: (847) 677-8606 (T echnical Support) F ax: (920) 451-4397 (Ordering) E-Mail: welchvacuum@thomasind.com P art No. 67-1772R1.1 W eb-P age: www .welchvacuum.com Printed in ...

  • Welch 2511 - page 2

    INSTRUCTION W ARNING AND CAUTION PLEASE READ BEFORE OPERA TION While reading your manual, please pay close attention to areas labeled: W ARNING AND CAUTION. The description of each is found below . W ARNING W arnings are given wher e failure to observe instruction could r esult in injury or death to people. CAUTION Cautions are found wher e failure ...

  • Welch 2511 - page 3

    T ABLE OF CONTENTS Section 01 - SAFETY INFORMA TION 1.10 Caution T o Prevent Injury 1.20 Caution T o Reduce Risk Of Electrical Shock 1.30 W arning T o Reduce Risk Of Electrocution 1.40 Danger T o Reduce Risk Of Explosion Or Fire Section 02 - INST ALLA TION 2.10 Introduction 2.20 Unpacking 2.30 Pump Mounting 2.40 Pump Location 2.50 Intake And Discha ...

  • Welch 2511 - page 4

    SECTION 1: SAFETY INFORMA TION 1.10 Caution: T o Prevent Injury ... 1.1 1 Never operate this product if it has a damaged cord or plug. If it is not working properly , has been dropped, damaged or has fallen into water , please return the product to a W elch service center for examination and repair . 1.12 Keep the cord away from heated surfaces. Al ...

  • Welch 2511 - page 5

    SECTION 2: INST ALLA TION 2.10 Introduction 2.1 1 This manual has been compiled not only for the care and maintenance of the W elch Aspiration/Filtration V acuum System now in your possession, but as a helpful reference and guide to prevent many problems which may occur if used improperly . 2.20 Unpacking 2.21 Carefully remove the Aspiration/Filtra ...

  • Welch 2511 - page 6

    2.50 Intake And Discharge Provision 2.51 The vacuum regulator and vacuum dial gauge is attached to the collection jar . The vacuum regulator allows the vacuum level to be set between roughly atmospheric pressure and the maximum vacuum allowed for the pump model. The collection jar and hydrophobic fi lter keeps water from accidentally being drawn i ...

  • Welch 2511 - page 7

    2.60 Electrical Power 2.61 Power Source Review Review the power source and the motor rating to be sure they agree in voltage, phase, and frequency . Serious damage may occur to the motor if it is connected to an improper voltage. All W elch pumps must be grounded. Grounding reduces the risk of electric shock in the event of an electrical short circ ...

  • Welch 2511 - page 8

    SECTION 3: OPERA TION 3.10 Starting Procedur es 3.1 1 Starting aW elch Aspiration/Filtration V acuum System Before attaching the pump to a system, familiarize yourself with the function and action of the Aspiration/Filtration V acuum System that you have acquired. Review the power requirements as described in Section 2.60. W elch recommends running ...

  • Welch 2511 - page 9

    3.30 Operating Pressur e Range 3.31 Aspiration/Filtration V acuum Systems are designed to be run from slightly below atmospheric to their maximum vacuum level on the intake side. The pumps also may be run from atmospheric to their maximum rated pressure rating (Model 251 1 only). Consult the Specification T able for the ratings of your specific m ...

  • Welch 2511 - page 10

    SECTION 5: TROUBLESHOOTING 5.10 V ACUUM PROBLEMS 5.1 1 Leakage, contamination, and unusual outgassing are the general causes of problems associated with poor vacuum. T o operate at maximum efficiency , a system must be thoroughly clean. If the system is completely clean and free from leaks and unwarranted vacuum problems still exist, the pump shou ...

  • Welch 2511 - page 11

    5.40 TROUBLE SHOOTING GUIDE FOR 251 1 / 2515 1 1 Symptoms Possible Cause Remedies Reduced/low 1. Clogged hydrophobic 1. Replace the filter vacuum filter. following directions in this manual. (Section 4.12) 2. Regulator improperly 2. Set regulator vacuum set. level following operating instructions. 3. Air leak. 3. Check the tubing and connectors for ...

  • Welch 2511 - page 12

    SECTION 6: SPECIFICA TION 6.10 SPECIFICA TION T ABLE Cat. No. 2511B-75 2511C-75 2511C-76 2515B-75 2515C-75 2515C-76 Free Air Displacement CFM (L/min) 0.39(11) 0.32(9.2) 0.39(11) 1.2(34) 1.0(28) 1.2(34) Maximum Vacuum in. Hg Ultimate Vacuum Torr (mbar) Dimensions L x W x H in. (cm) Shipping Weight, lbs Electrical Requirements 115V, 60 Hz 230V, 50Hz ...

  • Welch 2511 - page 13

    SECTION 7: W ARRANTY W arranty Infor mation Model No. Serial No. Date Purchased Name Company Address Zip City State Code Phone No. Purchased From Application For any additional information/literature needed, please check below: ❑ Laborator y Catalog ❑ Industrial Catalog Belt Drive Belt Drive Direct Drive Direct Drive Dry Pumps Dry Pumps Accesso ...

  • Welch 2511 - page 14

    SECTION 8: EXPLODED VIEW & P AR TS LIST 8.10 Model 251 1B-75 / 251 1C-75 / 251 1C-76 PUMP ON/OFF SWITCH REGULA TOR KNOB V ACUUM GAUGE SHOR T TUBING LONG TUBING APPLICA TION TUBING HYDROPHOBIC FIL TER PRESSURE POR T COLLECTION JAR 14 ...

  • Welch 2511 - page 15

    8.1 1 Model 2515B-75 / 2515C-75 / 2515C-76 COLLECTION JAR LONG TUBING APPLICA TION TUBING HYDROPHOBIC FIL TER PUMP ON/OFF SWITCH REGULA TOR KNOB V ACUUM GAUGE SHOR T TUBING 15 ...

  • Welch 2511 - page 16

    8.12 Model 1475K-20 COLLECTION JAR LONG TUBING APPLICA TION TUBING HYDROPHOBIC FIL TER SHOR T TUBING 16 ...

  • Welch 2511 - page 17

    SECTION 9: KITS AND ACCESSORIES 9.10 REP AIR KITS 9.1 1 Repair Kit for Model 2515 Service Seal Gasket Description Kit Kit 2515K-01 2515K-02 Connecting Rod Assembly #1 1 - Handle Screw #2 2 - Head Screw #3 4 - Head O-Ring #4 1 1 Valve Plate Assembly #5 1 - Cylinder O-Ring #6 1 1 17 ...

  • Welch 2511 - page 18

    9.20 V ACUUM ACCESSORIES 9.21 T able for V acuum Accessories Description Welch Kit Adapter S.S. 40mm 1475K-01 8-Channel Adapter S.S. 40mm 1475K-02 1-Channel Adapter for dispoable tips, w/o ejector 1475K-03 Rubber Adapter for Pasteur pipettes 1475K-04 8-Channel Adapter for dispoable tips, w/ejector 1475K-05 Adapter S.S. 150mm 1475K-06 4-Channel Adap ...

  • Welch 2511 - page 19

    9.30 ELECTRICAL ACCESSORIES 9.31 T able for Electrical Accessories 9.40 REPLACEMENT ACCESSORIES 9.41 T able for Replacement Accessories Description Welch Kit 115V 60Hz - Maintained on/off footswitch 1430A 115V 60Hz - Variable on/off footswitch 1430B 90-230V 50/60Hz - Variable on/off footswitch with IEC connections 1430C 19 Description Welch Kit Asp ...

  • Welch 2511 - page 20

    W elch Rietschle Thomas V acuum Pump Repair Facility 7301 North Central Avenue Skokie, IL 60077 Phone: (847) 676-8800 F ax: (847) 677-8606 (T echnical Support) F ax: (920) 451-4397 (Ordering) Copyright© 1997-2004 Welch Rietschle Thomas Welch is registered trademarks of W elch Rietschle Thomas ...

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Documents that we receive from a manufacturer of a Welch 2511 can be divided into several groups. They are, among others:
- Welch technical drawings
- 2511 manuals
- Welch product data sheets
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All of them are important, but the most important information from the point of view of use of the device are in the user manual Welch 2511.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Welch 2511, service manual, brief instructions and user manuals Welch 2511. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Welch 2511.

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A complete manual for the device Welch 2511, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Welch 2511 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Welch 2511.

A complete Welch manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Welch 2511 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Welch 2511, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Welch 2511, that we can find in the current document
3. Tips how to use the basic functions of the device Welch 2511 - which should help us in our first steps of using Welch 2511
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Welch 2511
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Welch 2511 in a specific country, if it was not possible to solve the problem on our own.

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