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Operating and Installation Instructions
Compressors and
Type Range:
UNPK09
UNPK09DC
You have selected a high-quality KNF product; the following tips will help you operate it safely and reliably
over a long period of time. Carefully study the Operating and Installation Instructions before using the
pumps and observe at all times the relevant instructions to avoid dangerous situations. The manual was
produced for the serial pumps stated above. With customer-specified projects (pump types starting with
"PU" or "MPU") there could be differences in detail. For customer-specified projects please therefore take
into account any agreed technical specifications, as well as these instructions.
KNF Neuberger, Inc
2 Black Forest Rd
Trenton, NJ 08691-1810
Phone: 609-890-8600
Fax:
609-890-8323
www.knf.com/usa.htm
Ident#121576-125598
Revision (09/12)
Swing Piston
Vacuum Pumps
Fig. 1: UNPK09
List of Contents
1. Description, Operating Conditions ........................................... 2
2. Safety ...................................................................................... 3
3. Installation ............................................................................... 4
4. Operation ................................................................................ 5
5. Servicing ................................................................................. 6
6. Cleaning ................................................................................ 10
7. Trouble Shooting ................................................................... 11
8. Spare parts ........................................................................... 12
9. Accessories ........................................................................... 12
10. Tables ................................................................................... 13
11. Product Return.......................................................................14
UNPK09.1
UNPK09.2
UNPK09.1.2
Fig. 2: UNPK09.1.2
Page
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Summary of Contents for KNF UNPK09
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Page 1: Table Of Contents
Fig. 1: UNPK09 Fig. 2: UNPK09.1.2 You have selected a high-quality KNF product; the following tips will help you operate it safely and reliably over a long period of time. Carefully study the Operating and Installation Instructions before using the pumps and observe at all times the relevant instructions to avoid dangerous situations. -
Page 2: Description, Operating Conditions
Swing Piston Pumps NPK 09 Description, Operating Conditions KNF pumps in the NPK range transfer, evacuate and compress oil-free. In operation they are maintenance-free. The noise levels from the pumps are ca. 60 dB (A) (one head model, with hose connectors and inlet filter fitted). -
Page 3: Safety
Take all care necessary to prevent this leading to a dangerous situation. Use only original KNF spare parts. Pumps in the NPK 09 range conform to the safety regulations of the EC Low Voltage Directive 2006/95/EC, and of the EC Directive 2004/108/EC concerning Electromagnetic Compatibility. -
Page 4: Installation
Installation Swing Piston Pumps NPK 09 Installation Pumps in the NPK 09 range are OEM models intended for installation in equipment. When installing them make certain that accident prevention regulations, and safety instructions, including those for subsequent operation are observed. The safety instructions in section 2 must be observed. -
Page 5: Operation
Swing Piston Pumps NPK 09 Operation Operation The pump must not start against pressure or vacuum. When it is switched on the pressure in the suction and pressure lines must be atmospheric. This also applies when the pump restarts after the power has been cut off for a short period. -
Page 6: Servicing
Servicing Swing Piston Pumps NPK 09 Servicing Before working on the pump, isolate the power supply securely, then check that the lines are not live. The piston seal, and to a lesser extent the valve plates are the only parts of the pump subject to wear. They are simple to change. When changing the piston seal, check the valve plates for damage (tongues bent, corrosion). - Page 7 Swing Piston Pumps NPK 09 Servicing 5.1. Changing the piston seal Parts required Spare part* Quantity Piston seal 1 (twin head pumps: 2) Countersunk flat head screw (14) 2 (twin head pumps: 2) Tab. 2 * According to Spare parts list, section 8 Tools required Tools/Material Philips screwdriver no.
- Page 8 Servicing Swing Piston Pumps NPK 09 2. Re-assemble the "piston assembly": Lay the new piston seal (13) on the retainer plate (11) with the sealing lip towards the free surface of the retainer plate. Lay the support (12) on the retainer plate/piston seal assembly.
- Page 9 Swing Piston Pumps NPK 09 Servicing Tab. 4 * According to Spare parts list, section 8 Tools required Tools/Material Philips screwdriver no. 2 Felt-tip pen Tab. 5 In the case of twin head pumps, both valve plates must always be changed at the same time.
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Page 10: Cleaning
Cleaning Swing Piston Pumps NPK 09 Cleaning When changing valve plates and diaphragm, inspect all parts for dirt before assembling the pump head, and clean them if necessary. As far as possible, clean the parts with a dry cloth. Solvents should not be used as they can attack the plastics, and synthetic rubber parts. -
Page 11: Trouble Shooting
Piston seal or valve plate is/are worn, or dirt is in the head (see section 5. Servicing). If the pump does not operate properly and you cannot find any of the above faults, send it to the KNF Service Department. -
Page 12: Spare Parts
Spare parts Swing Piston Pumps NPK 09 Spare parts Pos. Nr* Description Order-No. Intermediate plate 025523 Ribbed head 054402 Screw 005112 Connection for NPK 09.1 026178 NPK 09.1.2 (suction side) Connection for NPK 09.2 026179 NPK 09.1.2 (pressure side) Gasket 052650 (7)(8) Valve plate... -
Page 13: Tables
Swing Piston Pumps NPK 09 Tables 10. Tables Pump type Max. permissible Ultimate Delivery rate* operating pres- vacuum (l/min) at atm. sure (bar g) (mbar abs.) pressure UNPK09 UNPK09DC UNPK09.1 UNPK09.2 UNPK09.1.2 Tab. 8: Pneumatic Data *Litre at STP... -
Page 14: 11. Product Return
Product Return Swing Piston Pumps NPK 09 11. Product Return KNF provides warranty and non-warranty repair services for all products. A Return Material Authorization (RMA) number is required for all product returns. • To receive an RMA number, submit a completed Decontamination Declaration form to rma@knf.com...
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