Page 3 - TABLE OF CONTENTS
TABLE OF CONTENTS Section 01 - SAFETY INFORMATION 1.10 Caution To Prevent Injury 1.20 Caution To Reduce Risk Of Electrical Shock 1.30 Warning To Reduce Risk Of Electrocution 1.40 Danger To Reduce Risk Of Explosion Or Fire Section 02 - INSTALLATION 2.10 Introduction 2.20 Unpacking 2.30 Pump Mounting ...
Page 4 - SECTION 1: SAFETY INFORMATION
SECTION 1: SAFETY INFORMATION 1.10 Caution: To Prevent Injury... 1.11 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. 1.12 K...
Page 5 - SECTION 2: INSTALLATION; Introduction; which may occur if used improperly.; WARNING
SECTION 2: INSTALLATION 2.10 Introduction 2.11 This manual has been compiled not only for the care and maintenance of the Welch Aspiration/Filtration Vacuum 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...
Page 9 - SECTION 4: MAINTENANCE; Maintenance Procedures; Maintaining a Welch Aspiration/Filtration Vacuum System
3.30 Operating Pressure Range 3.31 Aspiration/Filtration Vacuum 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 2511 only). Consult the Specificati...
Page 10 - SECTION 5: TROUBLESHOOTING; VACUUM PROBLEMS; checked by a service technician.
SECTION 5: TROUBLESHOOTING 5.10 VACUUM PROBLEMS 5.11 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. If the system is completely clean and free from leaks and unwarrante...
Page 12 - SECTION 6: SPECIFICATION; SPECIFICATION TABLE; Maximum Vacuum in. Hg; Hz
SECTION 6: SPECIFICATION 6.10 SPECIFICATION TABLE 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 ...
Page 13 - IMPORTANT; Please Read Carefully Before Operating
SECTION 7: WARRANTY W arranty Infor mati on Model N o. Seri al N o. D ate Pur chas ed N ame C ompany A ddr es s Zi p C i ty State C ode Phone N o. Pur chas ed Fr om A ppl i cati on For any addi ti onal i nfor mati on/ l i teratur e needed, pl eas e check bel ow: ❑ Laborator y C atal og ❑ Indus tri a...
Page 17 - SECTION 9: KITS AND ACCESSORIES; Repair Kit for Model 2515; Service
SECTION 9: KITS AND ACCESSORIES 9.10 REPAIR KITS 9.11 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
Page 18 - VACUUM ACCESSORIES; Table for Vacuum Accessories
9.20 VACUUM ACCESSORIES 9.21 Table for Vacuum 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 1475...
Page 19 - ELECTRICAL ACCESSORIES; Table for Electrical Accessories; REPLACEMENT ACCESSORIES; Table for Replacement Accessories
9.30 ELECTRICAL ACCESSORIES 9.31 Table for Electrical Accessories 9.40 REPLACEMENT ACCESSORIES 9.41 Table 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 IE...