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 CAUTION

Scalding from hot operating fluid

Danger of burns when draining operating fluid if it comes into contact with the skin.

► Wear protective equipment.
► Use a suitable collection vessel.

Cleaning by changing the operating fluid

Pfeiffer Vacuum recommends, in cases of heavy contamination with process residues, 
cleaning the inside of the vacuum pump with several operating fluid changes.

Prerequisites

● Vacuum pump switched off
● Vacuum pump vented to atmospheric pressure
● Vacuum pump has cooled so that it can be touched
● Operating fluid still warm

7

2

1

3

6

5

4

Fig. 13:

Draining the operating fluid

1 Filler screw

5

Drain screw

2 O-ring

6

O-ring

3 Drain hole

7

Sight glass

4 Collection vessel

Required consumables

● Operating fluid of the vacuum pump

Required tools

● Allen key, 

WAF 5

● Calibrated torque wrench (tightening factor ≤ 2.5)

Required aids

● Collection vessel (> 0.5 l)

Draining the operating fluid

1. Unscrew the filler screw.

– Be careful with the O-ring.

2. Place a collection vessel below the drain hole.
3. Unscrew the drain screw.

– Be careful with the O-ring.

4. Allow operating fluid to drain into collection vessel.

Maintenance

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Summary of Contents for DUO 1.6

Page 1: ...OPERATING INSTRUCTIONS EN Translation of the Original DUO 1 6 DUO 1 6 M Rotary vane pump...

Page 2: ...eiffer vacuum de Further operating instructions from Pfeiffer Vacuum can be found in the Download Center on our website Disclaimer of liability These operating instructions describe all models and var...

Page 3: ...perator requirements 16 3 Product description 17 3 1 Identifying the product 17 3 2 Scope of Delivery 17 3 3 Function 17 3 4 Operating principle 18 4 Transportation and Storage 20 4 1 Transporting the...

Page 4: ...ts packs 46 11 2 Maintenance kit 1 maintenance level 1 46 11 3 Radial shaft seal ring set Maintenance level 2 46 11 4 Maintenance kit 2 Maintenance level 2 extended 46 11 5 Overhaul kit Maintenance le...

Page 5: ...eversible single phase motor 26 Tbl 6 Maintenance intervals 34 Tbl 7 Troubleshooting for rotary vane pumps 43 Tbl 8 Spare parts packs 46 Tbl 9 Accessories 48 Tbl 10 Consumables 49 Tbl 11 Conversion ta...

Page 6: ...e 30 Fig 12 Refilling operating fluid 30 Fig 13 Draining the operating fluid 36 Fig 14 Remove fit rotary vane vacuum pump cap 38 Fig 15 Gas ballast valve 39 Fig 16 Dimensions Duo 1 6 100 V 50 Hz with...

Page 7: ...M M version differs compared to the standard version by Magnetic coupling 1 2 Target group These operating instructions are aimed at all persons performing the following activities on the product Tra...

Page 8: ...before putting into operation Remplir la pompe d huile avant la mise en route Sticker red Fill with operating fluid before commissioning Achtung nur mit F4 bef llen Attention only F4 to be used Stick...

Page 9: ...osive gas version DN Nominal diameter Diam tre nominal FPM Fluoropolymer rubber FKM Fluorinated rubber IN Rated nominal current Imax Maximum current ISO Flange Connector in accordance with ISO 1609 an...

Page 10: ...ger of property damage Notice is used to address practices not related to physical injury Instructions on avoiding property damage Notes tips or examples indicate important information on the product...

Page 11: ...lange during all work Safely disconnect motor from the mains Secure the motor against re start Risks during operation WARNING Danger of poisoning due to toxic process media escaping from the exhaust p...

Page 12: ...environmental pollution by toxic process media Decontaminate affected parts before carrying out maintenance work Wear protective equipment WARNING Danger of injury from strong magnetic field There is...

Page 13: ...own before carrying out any work Wear personal protective equipment if necessary CAUTION Danger of injury from moving parts After a power failure or a standstill as a result of overheating the motor r...

Page 14: ...onents The magnetic coupling can influence operational reliability of electrical and electronic devices 2 5 Limits of use of the product Installation location Indoors protected from dust deposits Outd...

Page 15: ...uc tions The operator is responsible for the process media used 2 9 Owner requirements Safety conscious working 1 Only operate the product in a technically flawless state 2 Operate the product in line...

Page 16: ...age operation and disposal fields Such training must ensure that individuals are capable of carrying out the required activi ties and work steps safely and properly 2 10 2 Personnel qualification for...

Page 17: ...with cone sieve and O ring for the vacuum flange Centering ring with O ring for the exhaust flange Locking caps for both connection flanges Operating instructions 3 3 Function DuoLine rotary vane vac...

Page 18: ...ng fluid 5 Base plate 13 Connection for the operating fluid return 6 Motor flange 14 Vacuum flange with protective cap 7 Intermediate flange only with M version 15 Exhaust flange with protective cap 8...

Page 19: ...ump type rotary vane pumps are equipped with a vacuum safety valve This sepa rates the rotary vane pump from the vacuum chamber in the event of intentional or unintentional stand still and vents the p...

Page 20: ...sary trolley lift truck 3 Transport the product in its original packaging 4 Always place the product on an adequately sized level surface 1 2 3 Fig 4 Transporting the vacuum pump manually 1 Protective...

Page 21: ...sure that the gas ballast valve is closed 4 Store the vacuum pump only in dry dust free rooms within the specified ambient conditions 5 In rooms with humid or aggressive atmospheres Hermetically seal...

Page 22: ...on the motor rating plate visible and freely accessi ble 7 Fill with operating fluid prior to first commissioning You can find the quantity and type of the operating fluid on the rating plate 5 2 Conn...

Page 23: ...g as a result of high pressure in the exhaust line Faulty or short exhaust lines cause hazardous situations e g exhaust pressure increase There is a danger of bursting Injuries caused by flying fragme...

Page 24: ...langes with a circlip 5 4 Establishing mains connection DANGER Danger to life from electric shock Contact with exposed and live elements generate an electric shock Incorrect connection of the mains su...

Page 25: ...and rubber connector The vacuum pumps are equipped with an inbuilt thermal protection switch In event of excess tempera ture the protection switch interrupts the motor current but does not offer a pe...

Page 26: ...h time before the vacuum pump is installed or moved to a different location 2 Disconnect the vacuum pump from the mains 3 Set the required voltage range on the voltage selector switch using a suitable...

Page 27: ...ating fluid type on the rating plate Refer to the rating plate of the vacuum pump for type and quantity of intended operating fluid Required consumables Operating fluid of the vacuum pump Required too...

Page 28: ...of the exhaust line on a regular basis Before switching on 1 Check the operating fluid in the sight glass 2 Compare the voltage and frequency specifications on the motor rating plate with the availabl...

Page 29: ...e closed for ap prox 30 minutes Check the operating fluid level 1 Regularly check the operating fluid level while the vacuum pump is running and at operating tem perature 2 Make sure that the level is...

Page 30: ...otate the knob on the gas ballast valve to the right to close into position 0 6 4 Refilling operating fluid WARNING Danger of poisoning from toxic vapors Igniting and heating synthetic operating fluid...

Page 31: ...switching off the vacuum pump NOTICE Contamination from operating fluid backflow After the vacuum pump is switched off there is a risk that the connected vacuum system can become contaminated by back...

Page 32: ...taking advantage of our service training offering When ordering spare parts specify the information on the nameplate The following section describes the tasks for cleaning and maintaining the vacuum...

Page 33: ...pec tion Mainte nance level 1 Mainte nance level 2 Mainte nance level 3 Required materials Described in document OI OI MM MM Interval daily yearly 2 years 4 years Inspection Visual and acoustic pump c...

Page 34: ...ous substances Illegal disposal of toxic substan ces causes environmental damage Wear suitable personal protective equipment when handling these media Dispose of the operating fluid according to local...

Page 35: ...eet with the document number PK0219 can be ob tained from the Pfeiffer Vacuum Download Center Prerequisites Vacuum pump switched off Vacuum pump is vented to atmospheric pressure on the suction side V...

Page 36: ...ressure Vacuum pump has cooled so that it can be touched Operating fluid still warm 7 2 1 3 6 5 4 Fig 13 Draining the operating fluid 1 Filler screw 5 Drain screw 2 O ring 6 O ring 3 Drain hole 7 Sigh...

Page 37: ...ting fluid 3 Check level 4 Screw the drain screw in completely Be careful with the O ring Tightening torque 0 3 Nm 7 4 3 Rinsing and cleaning the rotary vane vacuum pump Cleaning by changing the opera...

Page 38: ...an the pumping system from the outside without cleaning agent 2 Clean the cap from the inside without cleaning agent Install the cap 1 Insert the O ring in the groove in the cap 2 Install cap on stand...

Page 39: ...e cam plate and the circlip 9 Take care of the washer and the compression spring 10 Remove tappet from valve housing Be careful with the O ring 11 Clean all parts and check the parts for wear 12 Repla...

Page 40: ...change from P3 D1 to F4 F5 or vice versa Required consumables 3 times the filling quantity of the new operating fluid Changing the operating fluid type 1 Change the operating fluid with the new opera...

Page 41: ...rior to recommissioning 8 2 Recommissioning NOTICE Risk of damage to vacuum pump as a result of operating fluid aging The operating fluid usability is limited max 2 years Prior to recommissioning foll...

Page 42: ...the mains Secure the motor against reactivation Dismantle the vacuum pump for inspection away from the system if necessary NOTICE Danger of property damage from improper maintenance Unprofessional wo...

Page 43: ...fluid level too low Top up the operating fluid Leak in system Locate and eliminate the leak Vacuum pump is dam aged Contact Pfeiffer Vacuum Service Pumping speed of vacuum pump too low The intake line...

Page 44: ...and addresses can be found on our website in the Pfeiff er Vacuum Service section Advice on the optimum solution is available from your Pfeiffer Vacuum contact partner For quick and smooth handling of...

Page 45: ...ontainers e Observe the applicable transport conditions ERKL RUNG KONTAMINIERUNG 6 Affix the declaration of contamination to the outside of the packag ing 7 Then send your product to your local Servic...

Page 46: ...s Filler and drain screw seals for one operating fluid change Cap seal for cleaning oil chamber Seals and consumables for cleaning gas ballast valve 11 3 Radial shaft seal ring set Maintenance level 2...

Page 47: ...Set of vanes The set of vanes contains Vane Vane springs 11 7 Coupling set for versions with magnetic coupling The coupling set contains Both coupling halves Containment shell with O ring Spare parts...

Page 48: ...eplace a standard gas ballast valve 12 2 Ordering accessories Description Order no KAS 16 Condensate Separator PK Z10 003 OME 16 S Oil Mist Separator PK Z40 000 OME 16 M Oil Mist Separator PK Z40 003...

Page 49: ...Description Order no P3 mineral oil 0 5 l PK 001 136 T P3 mineral oil 1 l PK 001 106 T Tbl 10 Consumables Accessories 49 60...

Page 50: ...ts mbar l s Pa m3 s sccm Torr l s atm cm3 s mbar l s 1 0 1 59 2 0 75 0 987 Pa m3 s 10 1 592 7 5 9 87 sccm 1 69 10 2 1 69 10 3 1 1 27 10 2 1 67 10 2 Torr l s 1 33 0 133 78 9 1 1 32 atm cm3 s 1 01 0 101...

Page 51: ...er vapor tolerance at 50 Hz 15 hPa 15 hPa 15 hPa 15 hPa 15 hPa Water vapor tolerance at 60 Hz 15 hPa 15 hPa 15 hPa 15 hPa 15 hPa Emission sound pres sure level without gas ballast at 50 Hz 42 dB A 42...

Page 52: ...capacity 50 Hz 15 g h 15 g h 15 g h Water vapor capacity 60 Hz 20 g h 20 g h 20 g h Water vapor tolerance at 50 Hz 15 hPa 15 hPa 15 hPa Water vapor tolerance at 60 Hz 15 hPa 15 hPa 15 hPa Emission so...

Page 53: ...g 11 kg 11 kg Tbl 15 Technical data Duo 1 6 M 13 4 Dimensions Dimensions in mm 13 4 1 Standard version 32 5 122 7 135 1 28 5 61 172 1 88 334 5 2 2 DN 16 ISO KF 70 192 1 315 2 119 95 85 2 222 5 190 Fig...

Page 54: ...85 2 222 5 190 Fig 17 Dimensions Duo 1 6 single phase motor 105 V 50 Hz 115 125 V 60 Hz 32 5 122 7 135 1 31 61 172 1 88 353 2 2 DN 16 ISO KF 70 189 1 95 222 5 190 85 2 190 5 1 335 Fig 18 Dimensions Du...

Page 55: ...190 85 2 190 5 1 335 Fig 19 Dimensions Duo 1 6 single phase motor 115 230 V 50 60 Hz 32 5 122 7 135 1 28 5 61 172 1 88 315 2 2x DN 16 ISO KF 70 189 1 119 95 222 5 190 85 2 Fig 20 Dimensions Duo 1 6 si...

Page 56: ...57 2 86 2 190 223 5 Fig 21 Dimensions Duo 1 6 M 100 V 50 Hz with switch 95 105 V 60 Hz 122 7 33 5 172 5 1 61 376 2 2 DN 16 ISO KF 192 1 28 5 88 119 135 1 357 2 86 2 190 223 5 Fig 22 Dimensions Duo 1 6...

Page 57: ...22 7 33 5 172 5 1 61 357 2 2 DN 16 ISO KF 190 1 28 5 88 135 1 357 2 119 7 2 95 86 2 190 70 223 5 3 Fig 23 Dimensions Duo 1 6 M single phase motor 230 240 V 50 60 Hz Technical data and dimensions 57 60...

Page 58: ...esentative for the compilation of technical documents is Mr Sebas tian Oberbeck Pfeiffer Vacuum GmbH Berliner Strasse 43 35614 Asslar Germany Rotary vane pump Duo 1 6 Duo 1 6 M Harmonized standards an...

Page 59: ...59 60...

Page 60: ...PD0061 ed H Date 1907 P N PD0061BEN...

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