background image

13

Section 8: WARRANTY

8.10  Warranty

UNPACKING

 

Inspect the pump carefully. If any damage has occurred, fi le claim with the carrier immediately. 
Save the shipping container for carrier to inspect. 

OPERATING PUMP
 

Refer to the enclosed Instruction/Operation Manual for all information to properly operate and 
maintain the pump.

WARRANTY
 

This Welch Vacuum product is warranted to be free from defects in material and workmanship. 
The liability of Welch-Ilmvac under this warranty is limited to servicing, adjusting, repairing 
or replacing any unit or component part which in the judgment of Welch-Ilmvac 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-Ilmvac. 
Vacuum pumps that have been used for any period, however short, will be repaired 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 misuse, abuse, or alteration, repairs will be billed 
regardless of the age of the product. In this event, an estimate of the repair costs will be submitted 
and authorization of these charges will be required before the product is repaired and returned.

To obtain a return authorization number, please fi ll in the on-line request form on                           
www.welchvacuum.com. Products without a return authorization number will be refused by our 
receiving department. Before shipping, properly pack the pump, insure it against loss or damage, and 
on the outside of the pump packaging and the packing slip write in the return authorization number. 
Pumps damaged due to improper packaging are the customer’s responsibility.

Summary of Contents for 2019B

Page 1: ...ng the pump See Section 3 15 CAUTION Do not pump liquids with the pump Pumping liquids will cause the pump to stop working Part No 642913 Printed in USA WELCH ILMVAC Welch Ilmvac 5621 W Howard Street...

Page 2: ...ons are found where failure to observe the instruction could result in damage to the equipment associated equipment and process These units conform to the SI International system of units of measureme...

Page 3: ...ump location 6 3 15 Discharge provisions 7 3 16 Electrical power 7 3 17 Traps 8 3 18 When to Use a liquid Trap 8 3 19 When to Use a cold Trap 8 3 20 The care of a liquid trap 8 3 21 The care of a cold...

Page 4: ...en the protector resets Always disconnect power source before servicing 1 15 Never drop or insert ngers or any other object into any openings 1 16 Do not operate this product where oxygen is being adm...

Page 5: ...re 1 41 Do not use this pump in or near explosive atmospheres or where aerosol spray products are being used 1 42 Do not use this product near ames WARNING Failure to observe the above safety precauti...

Page 6: ...ervice Support on www welchvacuum com 3 13 Pump Mounting Rubber feet are attached to the pump casing 3 14 Pump Location WARNING Don t operate this pump in an atmosphere containing ammable or explosive...

Page 7: ...Intake Hose barb tting 1 4 NPT x 3 8 ID hose 3 16 Electrical Power 3 16 1 Power Source Review Review the power source and the motor rating to be sure they agree in voltage phase and frequency Serious...

Page 8: ...he cold trap will come in contact with the surfaces of the trap and condense Commonly used refrigerants are liquid nitrogen or dry ice with alcohol slurry Dry ice provides suf cient cooling to freeze...

Page 9: ...he system and painting the suspected area with a thick soap solution Escaping air will produce soap bubbles 4 13 Operating Pressure Range Vacuum pumps are designed to be run from slightly below atmosp...

Page 10: ...emove head set head with screws aside for assembly 5 Remove four screws 2 from valve plate Remove valve plate and set aside for reassembly 6 Remove diaphragm liner and discard Reassembling the diaphra...

Page 11: ...n with each rotation of the fan If you don t feel suction or if you feel or hear a thump as you turn the fan DO NOT CONNECT THE UNIT TO A POWER SOURCE review the assembly procedure for possible error...

Page 12: ...Description 2019K 01 2019K 03 2500K 04 1 Diaphragm Buna N 1 1 2 Diaphragm liner PTFE 1 1 3 Diaphragm Hold Down Plate 1 4 Valve Plate Assembly 5 O Ring Gasket Head 1 6 Pump Head Assembly Includes item...

Page 13: ...d however short will be repaired 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 retu...

Page 14: ...L 60714 Phone 847 676 8800 Technical Support Fax 847 677 8606 E Mail gdwelchvacuum gardnerdenver com Web Page www welchvacuum com Copyright 1997 2007 Gardner Denver Welch Vacuum Technology Inc Welch i...

Reviews: