Welch 2052B-01 Скачать руководство пользователя страница 8

Page 6 

IMPORTANT NOTICE TO PURCHASER: WARRANTY 

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 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. 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 fill 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. 

Gardner Denver Thomas GmbH
Am Vogelherd 20 
98693 Ilmenau 
Germany 
T +49 3677 604 0 
F +49 3677 604 131 

[email protected]

 

www.gardnerdenver.com/de-de/welch

 

For USA, Canada and all Americas 

Gardner Denver Thomas, Inc.
1601 Feehanville 
Drive Mount Prospect, IL 60056 USA 
T  +1 847 676-8800 
F  +1 847 677-8606 

[email protected] 

www.gardnerdenver.com/de-de/welch

 

Содержание 2052B-01

Страница 1: ...Operation Manual EN Translation of the german original manual PTFE Diaphragm pump 4 headed Model 2052B 01 2052B 01 UL 2019 08 12 ...

Страница 2: ... by Co Gardner Denver Thomas GmbH We reserve the right to make changes and amendments Gardner Denver Thomas GmbH Am Vogelherd 20 98693 Ilmenau Germany For USA Canada and other Americas Gardner Denver Thomas Inc 1601 Feehanville Drive Mount Prospect IL 60056 USA T 1 847 676 8800 F 1 847 677 8606 welch na gardnerdenver com www gardnerdenver com de de welch T 49 3677 604 0 F 49 3677 604 131 welch eme...

Страница 3: ...ile sleeping or drowsy 5 Do not operate this product where oxygen is being administered 6 This unit is thermally protected If the motor should overheat the overload protector will shut the motor off If this occurs turn off the unit and allow the motor to cool until thermal protector resets automatically 7 Always disconnect power source before servicing 8 Wear safety glasses or goggles when operati...

Страница 4: ...c pressure down to an ultimate vacuum of 2 mbar 1 The pump is equipped with an ON OFF O I power switch 2 Gas Ballast A gas ballast valve A is provided on the pump When condensable vapors are pumped they may be compressed above the saturated vapor pressure and condense in the pump Opening the gas ballast valve admits air into the last stage of the vacuum pump there by reducing the partial pressure ...

Страница 5: ...h to tighten the pressure disc 8 the diaphragm 7 and the strain washer 6 with the correct torque of 5 6 Nm 3 Bring the connecting rod see Fig 3 and the diaphragm 7 into the central position 4 Replace the pump head 5 5 Insert the valves 3 and the O rings 4 Ensure that they are lying completely flat Do not insert the burred side facing the sealing surface Align the connection head flush with the pin...

Страница 6: ...01 is Order No 402042 US 402042 US Service kit consists of Description Kit Order No 402042 US Quantity Order no O Ring ø 12 x 2 9 829217 3 O Ring ø 25 x 2 8 829250 1 Valve 8 400656 Diaphragm 4 400732 Exploded View 2052B 01 Fig 3 Exploded View 2052B 01 ...

Страница 7: ...ot 2 400784 01 13 Rubber pad 1 400785 1 14 Pump head 4 400705 02 15 Connection head 4 410432 16 PTFE insert 4 400902 17 Pressure washer 4 400680 18 Tightening washer 4 400707 19 Diaphragm 4 400732 20 Valve 8 400656 21 Manifold 5 1 400917 01 22 Manifold 2 4 400903 23 Hose nozzle PP DN 8 1x enclosed 2 710798 Hose nozzle PP DN 12 1x enclosed 1 720331 24 Straight threaded joint with seal edge PVDF 10 ...

Страница 8: ...mpleted 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 autho...

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