KNF OEM N 936 Translation Of Original Operating And Installation Instructions
Diaphragm vacuum pump
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KNF 305622-306522 02/17
OEM
DIAPHRAGM
VACUUM PUMP
Important!
Before operating the pump and the accessories, please read the operating instructions on the web site
(www.knfusa.com/downloads) and pay attention to the safety precautions!
N 936
TRANSLATION OF ORIGINAL OPERATING AND
INSTALLATION INSTRUCTIONS
ENGLISH
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Summary of Contents for KNF OEM N 936
- Page 1 KNF 305622-306522 02/17 N 936 TRANSLATION OF ORIGINAL OPERATING AND INSTALLATION INSTRUCTIONS ENGLISH DIAPHRAGM VACUUM PUMP Important! Before operating the pump and the accessories, please read the operating instructions on the web site (www.knfusa.com/downloads) and pay attention to the safety precautions!
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Page 2: Table Of Contents
Contents Page About this document ............... 3 KNF Neuberger Inc. 2 Black Forest Road Use ..................4 Trenton, NJ 08691 Safety ..................5 Technical Data ................ 7 Phone: (609) 890-8600 ... -
Page 3: About This Document
An activity to be carried out (a step) is specified here. 1. The first step of an activity to be carried out is specified here. Additional, consecutively numbered steps follow. This symbol refers to important information. Translation of original Operating Instructions, English, KNF 305622-306522 01/17... -
Page 4: Use
The pumps are not suitable for transferring foodstuffs. The pumps are not suitable for aggressive media. For aggressive media there are other pumps in the KNF product program – please ask us for detail. The pumps must not be used to create vacuum and overpressure simultaneously. -
Page 5: Safety
If necessary, consider any external sources of energy, such as radiation, that may add heat to the medium. In case of doubt, consult the KNF customer service. Environmental protection Store all replacement parts in a protected manner and dispose of them properly in accordance with the applicable environmental protection regulations. - Page 6 IEC 61010-1 UL 61010-1 CAN/CSA-C22.2 No. 61010-1 Only have repairs to the pumps carried out by the KNF Customer Customer service and repairs Service responsible. Use only genuine parts from KNF for servicing work. Translation of original Operating Instructions, English, KNF 305622-306522 01/17...
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Page 7: Technical Data
1.2 A @ 50 Hz 1.0 A @ 60 Hz 1.1 A @ 60 Hz Tab. 4 Thermal-switch The pumps are fitted as standard with a thermal-switch to protect against overloading. Translation of original Operating Instructions, English, KNF 305622-306522 01/17... - Page 8 Tab. 5 *at ambient temperature >+ 50°C during intermittent or short-term operation, the max. surface temperature at the capacitor must be checked when installed in the end device. This mustn’t exceed 85°C. Translation of original Operating Instructions, English, KNF 305622-306522 01/17...
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Page 9: Design And Function
(1). The transfer chamber (3) is hermeti- cally separated from the pump drive (7) by the diaphragm. Translation of original Operating Instructions, English, KNF 305622-306522 01/17... -
Page 10: Installation And Connection
Installation position to fasten the pump at the indicated attachment points. In order to drain off possible condensate successfully, KNF recommends that pumps are installed in oblique position (with the suction line in higher position than the pressure line (see Fig. - Page 11 Take protective measures against foreign ob- jects which could enter the pump. Fig. 4: Mounting dimensions pump N 936.3 (All dimensional tolerances conform to DIN ISO 2768-1, Tolerance Class V) Translation of original Operating Instructions, English, KNF 305622-306522 01/17...
- Page 12 Installation and connection Diaphragm Vacuum Pump N 936 Fig. 5: Mounting dimensions pump N 936.1.2 (All dimensional tolerances conform to DIN ISO 2768-1, Tolerance Class V) Translation of original Operating Instructions, English, KNF 305622-306522 01/17...
- Page 13 EN 60335-1) must be made for disconnecting the pump motor from the electrical supply. KNF recommends that a fuse is installed in the motor supply circuit (overcurrent release). For compliance with the standards EN 61010-1, IEC 61010-1, UL 61010-1 and CAN/CSA-C22.2 No.
- Page 14 Lay the suction and pressure line at a downward angle to prevent condensate from running into the pump. Translation of original Operating Instructions, English, KNF 305622-306522 01/17...
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Page 15: Operation
For further information, contact our technical adviser (see last page for telephone number). Pump standstill Translation of original Operating Instructions, English, KNF 305622-306522 01/17... - Page 16 Make sure that no pressure or vacuum is present in the lines during switch-on. Switching pump off KNF recommends that, at the end of an evacuation operation, the pump should be allowed to run for a few minutes to remove condensate from the pump heads (drying of the pump).
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Page 17: Servicing
As far as possible, clean the parts with a dry cloth. Solvents should not be used as they can attack the plastics, and syn- thetic rubber parts. If compressed air is available, blow out the components. Translation of original Operating Instructions, English, KNF 305622-306522 01/17... - Page 18 * according to Spare parts list, chapter 10 ** according to Fig. 7 Tools and material Qty. Tools/material Torx TX30 screwdriver Torx TX25 screwdriver Felt-tip pen Tab. 9 * according to accessories list, chapter 10 Translation of original Operating Instructions, English, KNF 305622-306522 01/17...
- Page 19 3. Remove the valves (Fig. 7/14) and O-rings (13) from the inter- mediate plate (8). 4. Check that the valve seats, the head plate and intermediate plate are clean; if scratches or distortion are evident on these parts they should be replaced. Translation of original Operating Instructions, English, KNF 305622-306522 01/17...
- Page 20 1. Reconnect suction and pressure line to the pump. 2. Reconnect the pump to the electricity supply. If you have any questions about servicing call out technical adviser (see last page for contact telephone number). Translation of original Operating Instructions, English, KNF 305622-306522 01/17...
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Page 21: Troubleshooting
Eliminate leaks. Leaks occur on connections, lines or pump head. Check connections and lines. Connections or lines completely or partially jammed. Remove the jamming parts and particles. Translation of original Operating Instructions, English, KNF 305622-306522 01/17... - Page 22 Tab. 11 Fault cannot be rectified If you are unable to determine any of the specified causes, send the pump to KNF Customer Service (see last page for the ad- dress). 1. Flush the pump under atmospheric conditions some minutes...
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Page 23: Spare Parts And Accessories
Tab. 12 10.2. Accessories Parameter Order No. Foot (2 pcs/pump) 302892 Mounting screw for foot (4 pcs/pump) 110713 Shock Mount (4 pcs/pump) 215755 Hose connector NPT x 3/8” HID 072281 Tab. 13 Translation of original Operating Instructions, English, KNF 305622-306522 01/17... -
Page 24: Returns
Returns Diaphragm Vacuum Pump N 936 11. Returns KNF provides warranty and non-warranty repair services for all products. A Return Material Authorization (RMA) number is required for all product returns. To request an RMA number, complete the RMA Request form online, at www.knfusa.com/RMA. -
Page 25: Health And Safety Clearance And Decontamination Form
Pump N 936 Health and safety clearance and decontamination form 12. Health and safety clearance and decon- tamination form Translation of original Operating Instructions, English, KNF 305622-306522 01/17...
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