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Welch 2546, Owner'S Manual, Page: 1 / 12

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OWNER’S MANUAL

FOR

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.     See Section 3.50

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: [email protected]

Part No. 67-1476R1.0

Web-Page: www.welchvacuum.com

Printed in USA

Summary of Contents for 2546

Page 1: ...iew WARNING Not recommended for pumping acid base or organic vapors or gases WARNING Be sure to properly identify intake and discharge before using pump See Section 3 50 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 Part No 67 1476R1 0 Web Page www welchvacuum com Pri...

Page 2: ...ON Cautions are found where failure to observe the instruction could result in damage to the equipment associated equipment and process TheseunitsconfirmtotheSIInternationalsystemofunitsofmeasurement Thefollowingsymbols withrecommendationof IEC1010 ofwarningwillbefoundonthepump Caution refertoaccompanyingdocuments Caution risk of electrical shock Caution hot surface WARNING Motor includes a self r...

Page 3: ...on 02 CAUTION TO REDUCE RISK Section 03 INSTALLATION Section 04 ELECTRICALPOWER Section 05 TRAPS Section 06 OPERATION Section 07 MAINTENANCE Section 08 TROUBLESHOOTING Section 09 SPECIFICATION Section 10 WARRANTY Section 11 EXPLODED VIEWAND PARTS LIST 3 ...

Page 4: ...t tool or attachment 1 20 Never point any air nozzle or air sprayer toward another person or any part of the body 1 21 All electrical products generate heat To avoid serious burns never touch unit during or immediately after operation 1 22 Be sure to properly identify intake and discharge before using pump See Section II 5 Section 02 CAUTION TO REDUCE RISK 2 10 WARNING TOREDUCERISKOFELECTRICALSHOC...

Page 5: ...is protected from direct or indirect moisture contact Welch recommends that the pump be installed at the highest point within the system to prevent possible water condensate from entering the pump The pump should be located as closely to its system in order to utilize it most efficiently Themotoristhermallyprotectedandwillautomaticallyrestartunexpectedlywhen theoverloaddeviceresets Don tpumpflamma...

Page 6: ... The reference point for the vacuum gauge is atmospheric pressure The pressure gauge gives pressure above atmospheric The reference point for the pressure gauge is atmospheric pressure Please keep in mind that atmospheric pressure tends to vary from day to day As a result of this variability the dial vacuum gauge will indicate slightly different maximum vacuum readings from day to day Section 05 T...

Page 7: ...g evacuation a particulate trap in the foreline will work A simple inexpensive trap may be made by placing glass wool in a glass or plastic tube Screens must be inserted to hold the glass wool in place 6 20LEAKDETECTION The importance of eliminating all leaks in a vacuum system is obvious The pump must remove this added volume of leaked gas to maintain the desired vacuum Leaks for these pump can b...

Page 8: ... mark Poor Pumping Speed Poor Pressure Loud Unit Possible Cause Corrective Action X X X Damaged Valves Replace flapper valves X X X Debris in Valves Remove debris and check for valve damage X X X Damaged Gaskets Replace gaskets X X X Loose Head Screws Tighten head screws X X Loose Fittings Tighten fittings l e d o M h c l e W 4 3 5 2 6 4 5 2 t n e m e c a l p s i D r i a e e r F z H 0 6 n i m L M ...

Page 9: ...epaired under this warranty rather than replaced The warranty is effective for one year from the date of original purchase when 1 The warranty card has been completed and returned 2 The product is returned to the factory or other designated service centers freight prepaid 3 The product in our judgment is defective through no action or fault of the user If the product has become defective through m...

Page 10: ...K 02 Valve Plate Assembly 1 6 1 Note 1 O Ring Cylinder 1 1 7 2 Note 1 Jar Plastic 1 1 8 1 Note 1 Filter Element 1 1 9 1 71 1292 Pressure Gauge 10 1 Note 1 Ball 1 1 11A 1 71 1295 Vacuum Gauge 2546B 01 11B 1 71 1296 Vacuum Gauge 2546C 02 12 2 Note 1 Gasket 1 1 13 4 Note 1 Rubber Suction Feet 4 14 1 2522K 06 Pressure Regulator Assembly 15A 1 2522K 05 Vacuum Regulator Assembly 2546B 01 15B 1 2522K 07 ...

Page 11: ... O Ring Head 1 1 5 1 2567K 02 Valve Plate Assembly 1 6 1 Note 1 O Ring Cylinder 1 1 7 2 Note 1 Jar Plastic 1 1 8 1 Note 1 Filter Element 1 1 9 1 71 1292 Pressure Gauge 10 1 Note 1 Ball 1 1 11B 1 71 1296 Vacuum Gauge 2546C 02 12 2 Note 1 Gasket 1 1 13 4 Note 1 Rubber Suction Feet 4 14 1 2522K 06 Pressure Regulator Assembly 15B 1 2522K 07 Vacuum Regulator Assembly 2546C 02 16 1 Note 1 Piston Cup Sea...

Page 12: ...60077 Phone 847 676 8800 Fax 847 677 8806 OWNER SMANUAL For WOB L PISTONPRESSURE VACUUMPUMPS 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 ...

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