Welch 2546 Owner's Manual
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Welch 2546 Owner's Manual

Piston pressure/vacuum pumps
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Welch Rietschle Thomas
7301 North Central Avenue
Skokie, IL 60077
Phone: (847) 676-8800
Fax: (847) 677-8606 (Technical Support)
Fax: (920) 451-4397 (Ordering)
E-Mail: welchvacuum@thomasind.com
Web-Page: www.welchvacuum.com
OWNER'S MANUAL
WOB•L
PRESSURE/VACUUM PUMPS
2534C-02 & 2546
Contents: Safety Information
Not recommended for pumping acid, base or organic
Be sure to properly identify intake and discharge
before using pump.
FOR
PISTON
®
MODELS:
Installation
Operation
Maintenance
Trouble-Shooting Guide
Specifications
Warranty
Parts List and Exploded View
WARNING
vapors or gases.
WARNING
See Section 3.50
Part No. 67-1476R1.0
Printed in USA

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Summary of Contents for Welch 2546

  • Page 1 OWNER’S MANUAL WOB•L PISTON ® PRESSURE/VACUUM PUMPS MODELS: 2534C-02 & 2546 Contents: Safety Information Installation Operation Maintenance Trouble-Shooting Guide Specifications Warranty Parts List and Exploded View WARNING Not recommended for pumping acid, base or organic vapors or gases. WARNING Be sure to properly identify intake and discharge before using pump.
  • Page 2 INSTRUCTION WARNING AND CAUTION PLEASE READ BEFORE OPERATION While reading your manual, please pay close attention to areas labeled: WARNING AND CAUTION. The description of each is found below. WARNING Warnings are given where failure to observe instruction could result in injury or death to people.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Section 01 SAFETY INFORMATION Section 02 CAUTION TO REDUCE RISK Section 03 INSTALLATION Section 04 ELECTRICAL POWER Section 05 TRAPS Section 06 OPERATION Section 07 MAINTENANCE Section 08 TROUBLESHOOTING Section 09 SPECIFICATION Section 10 WARRANTY Section 11 EXPLODED VIEW AND PARTS LIST...

  • Page 4: Safety Information

    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 Welch service center for examination and repair.

  • Page 5: Installation

    If you are required to communicate with your dealer or Welch Vacuum, be sure to include your order numbers for quick identification. Do not return the pump to the factory without first calling for a returned goods number.

  • Page 6: Electrical Power

    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 Welch pumps must be grounded. Grounding reduces the risk of electric shock in the event of an electrical short circuit. The plug must be plugged into a properly grounded outlet.

  • Page 7: Operation

    Review the power requirements as described in Section l-6. Welch recommends running the pump for a few minutes to warm it up, before use. The warm-up improves the pumps ability to handle humid air.

  • Page 8: Troubleshooting

    Section 08 TROUBLESHOOTING 8.10 VACUUM PROBLEMS Leakage, contamination, and unusual outgassing are the general causes of problems associated with poor vacuum. To operate at maximum efficiency, a system must be thoroughly clean. It the system is completely clean and free from leaks, and unwarranted vacuum problems still exist, the pump should be checked. A simple criterion for the condition of the pump is the determination of its maximum vacuum capability.

  • Page 9: Warranty

    Rietschle Thomas under this warranty is limited to servicing, adjusting, repairing or replacing any unit or component part which in the judgment of Welch Rietschle Thomas has not been misused, abused or altered in any way causing impaired performance or rendering it inoperative. No other warranties are expressed or implied. The method of executing this warranty: servicing, adjusting, repairing or replacing shall be at the discretion of Welch Rietschle Thomas.

  • Page 10: Exploded View And Parts List

    Section 11 EXPLODED VIEW AND PARTS LIST 11.10 DRAWING AND PARTS LIST FOR 2546 Seal Feet Item Service Kit Service Kit Service Kit Number QTY Part Number Description 2546K-03 2546K-04 2500K-04 2546K-01 Connecting Rod Assembly Note 1 Head Screw Note 1...
  • Page 11 11.20 DRAWING AND PARTS LIST FOR 2534C-02 Seal Feet Item Service Kit Service Kit Service Kit Number QTY Part Number Description 2534K-03 2546K-04 2500K-04 2534K-10 Connecting Rod Assembly Note 1 Head Screw Note 1 O-Ring Head 2567K-02 Valve Plate Assembly Note 1 O-Ring Cylinder Note 1...
  • Page 12 Skokie, IL 60077 Phone: (847) 676-8800 Fax: (847) 677-8806 OWNER’S MANUAL WOB•L ® PISTON PRESSURE/VACUUM PUMPS MODELS 2534C-02 & 2546 Part No. 67-1476R1.0 Copyright© 1997-2004 Welch Rietschle Thomas Welch is a registered trademark of Welch Rietschle Thomas P/N 642517 C 05/04...

This manual is also suitable for:

Wob-l 2534c-02Wob-l 2546

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