Welch 2511 Owner'S Manual Download Page 13

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

check 

bel

ow:

❑ 

 

Laborator

y

 

C

atal

og

❑ 

 

Indus

tri

al

 

C

atal

og

B

el

D

ri

v

e

B

el

D

ri

v

e

D

i

r

ect 

D

ri

v

e

D

i

r

ect 

D

ri

v

e

D

r

y

 

Pumps

D

r

y

 

Pumps

A

cces

s

ori

es

A

cces

s

ori

es

O

ther

IMPORTANT

Please Read Carefully Before Operating 

This Welch

®

Vacuum Pump

UNPACKING

Inspect the pump carefully. If any damage has occurred, file 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 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.  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 reduce additional charges and delays either within or outside of the warranty period, contact Welch 

Rietschle Thomas @ (410) 712-4100 for a return authorization number.  Products without a return authoriza-

tion 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.

67-1577

13

Summary of Contents for 2511

Page 1: ...chnical Support Fax 920 451 4397 Ordering E Mail welchvacuum thomasind com Part No 67 1772R1 1 Web Page www welchvacuum com Printed in USA For outside of U S and Canada contact your local Rietschle Thomas sales office see back page Approval Agency s Warning Not recommended for pumping acid base or organic vapors or gases Model 2515B 75 Model 2511B 75 2511C 75 Model 2515C 75 ...

Page 2: ...re failure to observe the instruction could result in damage to the equipment associated equipment and process These units confirm to the SI International system of units of measurement The following symbols with recommendation of IEC1010 of warning will be found on the pump Caution refer to accompanying documents Caution risk of electrical shock Caution hot surface Double Insulated OFF Power ON Po...

Page 3: ...3 OPERATION 3 10 Starting Procedures 3 20 Leak Detection 3 30 Operating Pressure Range 3 40 Shutdown Procedures Section 04 MAINTENANCE 4 10 Maintenance Procedures Section 05 TROUBLESHOOTING 5 10 Vacuum Problems 5 20 Pressure Problems 5 30 Trouble Shooting Guide For 2515 5 40 Trouble Shooting Guide For 2511 And 2515 Section 06 SPECIFICATION 6 10 Specification Table Section 07 WARRANTY Section 08 EXP...

Page 4: ...t determining maximum air pressure for that tool or attachment applies to model 2511 only Be sure to properly identify intake and discharge before using pump See Section 2 50 WARNING Do not fill the collection jar above the safe fill level line indicated on the jar 1 20 Caution To Reduce Risk Of Electrical Shock 1 21 Do not disassemble Disassembly or attempted repairs if accomplished incorrectly can...

Page 5: ...ons involving a semi flexible surface such as a bench top they help to isolate noise and eliminate creeping All Aspiration Filtration Vacuum Systems should be mounted on a horizontal plane 2 40 Pump Location 2 41 The Aspiration Filtration Vacuum System should be located preferably in a clean dry and well ventilated area Please be sure not to block the ventilation holes located on the motor housing ...

Page 6: ...eric and the maximum possible for the pump model Model 2511 is equipped with a pressure port Note Adjusting the vacuum regulators will affect the performance of the pump WARNING Never block the discharge port If the exhaust is blocked pressure will build up in the pump above its rated operating pressure Be sure to call Welch technical service prior to start up at 847 676 8800 if you have any quest...

Page 7: ...ld a means for grounding to be added to the product Servicing of a double insulated product requires extreme care and knowledge of the system and should be done only by qualified service personnel Replacement parts for the double insulated product must be identical to those parts in the product 2 64 Classification And Symbol Glossary 2 70 Vacuum Connection 2 71 For best results Welch recommends the ...

Page 8: ... vacuum level by turning the regulator knob counter clockwise to increase vacuum or clockwise to decrease vacuum Note This procedure should be performed each time you use this device 3 12 Cleaning The Device 1 Make sure the ON OFF switch is in the OFF down position 2 Unplug the device from the wall outlet and allow suction level to drop 3 Remove the application tube from the lid vacuum port Tubing...

Page 9: ...Filtration Vacuum System These units are 100 oil free The pump employs a non lube piston and cylinder No maintenance is necessary for the bearings All bearings are sealed and permanently lubricated Lubrication should not be attempted The units are built for continuous duty operation with the quietness and durability of a diaphragm but with piston performance 4 12 Hydrophobic Filter Replacement Cha...

Page 10: ...e See Section 2 80 5 20 PRESSURE PROBLEMS 5 21 Leakage and contamination are the general causes of problems associated with poor pressure To operate at maximum efficiency a system must be thoroughly clean If the system is completely clean and free from leaks and unwarranted pressure problems still exist the pump compressor should be checked by a service technician 5 30 TROUBLE SHOOTING GUIDE FOR 25...

Page 11: ... 2 Defective switch 2 Contact your service center or distributor See back page 3 Vacuum still exists 3 Disconnect tubing from the in system collection jar to release vacuum Reconnect tubing and turn on the device Gauge reads 1 Faulty gauge 1 Contact your service incorrectly center for repair 410 712 4100 Device runs but 1 Gauge tubing not 1 Check the tubing and gauge reads connected or is connecto...

Page 12: ...1 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 100V 50 60Hz 115V 60 Hz 230V 50Hz 100V 50 60Hz 6 4 19 27 2 219 292 70 93 11 0 x 8 3 x 10 0 28 x 21 x 25 5 14 8 x 8 3 x 10 0 37 5 x 21 x 25 5 21 3 Model 2511 Model 2515 12 ...

Page 13: ...thod of executing this warranty servicing adjusting repairing or replacing shall be at the discretion of Welch Rietschle Thomas 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 retu...

Page 14: ...N 8 EXPLODED VIEW PARTS LIST 8 10 Model 2511B 75 2511C 75 2511C 76 PUMP ON OFF SWITCH REGULATOR KNOB VACUUM GAUGE SHORT TUBING LONG TUBING APPLICATION TUBING HYDROPHOBIC FILTER PRESSURE PORT COLLECTION JAR 14 ...

Page 15: ...8 11 Model 2515B 75 2515C 75 2515C 76 COLLECTION JAR LONG TUBING APPLICATION TUBING HYDROPHOBIC FILTER PUMP ON OFF SWITCH REGULATOR KNOB VACUUM GAUGE SHORT TUBING 15 ...

Page 16: ...8 12 Model 1475K 20 COLLECTION JAR LONG TUBING APPLICATION TUBING HYDROPHOBIC FILTER SHORT TUBING 16 ...

Page 17: ...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: ... 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 Adapter S S 40mm 1475K 07 Adapter S S 280mm 1475K 08 1 Channel Adapter for dispoable tips w ejector 1475K 09 Vacuboy Hand Operator w 1 Channel Adapter S S 1475K 10 18 ...

Page 19: ...cription 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 Aspiration Kit Includes 6 ft tubing 2000ml Autoclavable jar w lid and two hydrophobic filters 1475K 20 ten hydrophobic filters 1475K 21 ...

Page 20: ...Repair Facility 7301 North Central Avenue Skokie IL 60077 Phone 847 676 8800 Fax 847 677 8606 Technical Support Fax 920 451 4397 Ordering Copyright 1997 2004 Welch Rietschle Thomas Welch is registered trademarks of Welch Rietschle Thomas ...

Reviews: