Bedienungsanleitung OPTIMA AIR COMBI 2100 (250 bar)
Contents
1. 10 16 DECLARATION OF CONFORMITY sccsscssssssssssssscesssssssrescccsssesessessecessensessesceessensecnesseceasensesssssessesesensecss 11 17 DECLARATION OF GUARANTEE sess se saa ens sese seas tna sese Manufactured by Bersch amp Fratscher GmbH 2 Service Manual version 10 2008 2 1 2 2 OPTIMA 2100 Intended use Pneumatically operated paint spray gun with pump support in the high pressure range up to max 250 bar for processing liquid sprayable media with consideration of the manufacturer references The high pressure spray gun is led by hand and operated by the operator to coat the work piece Safety references Safety references for the operator a Read all safety references and instructions Failure to adhere to the safety references and 1 E instructions can lead to danger and or cause serious injuries b Save all safety references and instructions for the future and keep them at the operating place available so that they can be seen by the operator as well as the personnel Make sure that all local guidelines for the industrial safety and rules for the prevention of accidents are followed at any time Qualification of the personnel The equipment may only be set up operated and repaired by qualified and trained personnel Secur2. 6 8 2 PAINT CONNECTION 2223 EA 8 3 OPERATION OF THE HIGH PRESSURE SPRAY GUN eee eee enr 8 4 FEAT JET REGULATION ws reri rh rie eii erster ie Ter e E Tap cot Ee e ot EET eter e eere ee ERUNT 6 8 5 TRIGGER FORCES oeste Mo 8 6 ROUND JET REGULATION eene 7 8 7 ADJUSTMENT OF ATOMIZER AIR CAP 8 8 PAINTING DISTANCE AND SPRAY GUN GUIDANCE eene enmt ennr eene treten 8 8 1 Atomizer air cap acdliust eene eene nter nennen tenens 7 8 8 2 Spray gun guidance eee ennt nennen nnns 7 8 9 FILTER SELECTION ee cde re rer C ER ceder Re ge PU e 8 8 10 ADJUSTMENT OF PRE AIR eege ee e PER ETE Aa e EO Ee EEN E 8 9 MAINTENANCE cL EM 8 9 1 CEEANING noe IRAE REST RC ER RR RE 8 9 2 CLEANING OF THE NOZZLE necrosis coca veak AA E A A AN AA pv Eee e PULS e 8 9 3 GEEANING OF THE FILTER i seta ced f c e c radar E de cda fo C dv dh ce de Pe ste 8 9 4 LUBRICATION 10 REPLACEMENT OF PARTS 10 1 PAINT NEEDLE 10 2 NEEDLE SEAL INVERTED CUP SEAL 1248 10 DEFECTIVELY 10 3 VERT EE 10 4 CHANGE OF COMPLETE NOZZLE SET 001 248 U8 9 10 5 GASKET DEFECTIVELY SEAL RETAINING SCREW 001248 05 ssssssssseee eene 9 11 POSITIVE PRESSURE 3 eieiei SEENEN EE 9 12 WORKSTATION RELATED SOUND PRESSURE LEVEL 9 13 DISPOSAI EE EE 10 14 TROUBLE POSSIBILITIES EE 10 15 AVAILABLE ACCESSORIES ORDER NUMBER
3. S e A anne Service Manual OPTIMA 2100 Professional Air Combi Paint Spray Gun Version 10 2008 C Il 2G X Service Manual l OPTIMA 2100 version 10 2008 Table of contents 1 095 Hen 3 2 SAFETY REFERENCES e 3 2 1 SAFETY REFERENCES FOR THE OPERATOR 3 2 1 1 Qualification of the personnel cscs csescesecssecsesesssecusscsessesesecussessseasesecsaeessseasesessseesaeeaee 3 2 1 2 Security of the working 3 2 2 SAFETY REFERENCES FOR THE OPERATORS 3 2 2 1 Safe handling of OPTIMA paint spray QUIS sss eene 4 2 2 2 Grounding c Reese ER ea e ee a e A te 2 2 3 Material and air hoses usc eda dint reni ied er EHE EE 4 2 2 4 oso Gate E ERG ee UR tele RR 4 2 2 5 Handling liquids lacquer and colors sss eene 2 3 cn ich a eit Pe rer der d eo ba eet c de ree ebd E ide ue oca ea te d EE e E E E 3 CONNECTED LOADS 2 CT o 5 4 MATERIAL CONSUMPTION AND THROUGHPUT VALUES 5 5 AIR CONSUMPTION Pop RTT ia eie ese Eni 5 6 DESCRIPTION OF FUNG TION RR MUN 6 T START UP PEE eM INT 6 8 OPERATION e 6 8 1
4. Maintenance Cleaning Immediately after usage or longer interruptions the spray gun has to be scavenged with the relevant thinner for the paint in question cleaner In this case it is necessary to scavenge the spray gun with thinner with the assistance of the feeding pump until the cleaner leaves the gun clear Never immerse the paint spray gun in the cleaning agent Cleaning of nozzle Adjust the pump pressure at 0 bar release trigger 1248 U4 completely pressure of hose relieves Secure spray gun by 90 clockwise rotation of the safety lever 1237 3 Remove the lock nut 1248 4 by hand Take off nozzle set 1248 U2 and blow it through from the front side Insert nozzle set 1248 U2 and adjust it Tighten lock nut 1248 4 by hand see illustration 1 ooocomnp Cleaning of filter We recommend to clean the filter depending on the used paint from time to time in order to avoid that the paint residues get hard which could make the dismantling impossible a Put pump into a pressure less condition b Depending on the paint tube see spare parts drawing Release lower paint hose part 1248 U7 with a screw wrench SW17 see illustration 1 Attention Make sure to support the upper paint hose part of the paint tube by clamping it with an additional screw wrench SW 11 c Unscrew the filter downwards out of the paint tube d Clean the filter with a brush not a wire brush Mounting of the parts vice versa please b
5. at 0 release trigger 1248 U4 completely pressure of hose relieves Secure spray gun by 90 clockwise rotation of the safety lever 1237 3 Release lock nut 1248 4 by hand Put atomization cap 1248 U2 into required position Tighten lock nut 1248 4 well by hand see illustration 1 SE Painting distance and spray gun guidance Adjustment of atomization air cap The position of the atomization air cap and the spraying nozzle determines the direction of the spray jet Turn the atomisation cap according to the desired spray direction the spraying nozzle turns with it i i TECH O emm N j UWY zZ f Illustration 2 cap adjustment Spray gun guidance 25 30 cm Illustration 3 Spray gun guidance The paint spray gun must always be held at a 90 angle to the painting surface Manufactured by Bersch amp Fratscher GmbH Service Manual OPTIMA 2100 version 10 2008 8 9 8 10 9 1 9 2 9 3 9 4 10 10 1 Filter selection The mesh size of the filter should not be bigger than the nozzle size Adjustment of pre air a Unscrew breech ring cap 1240 7 and take out needle b Release needle carrier 1248 13 with screw wrench SW 6 to counter hold the needle end 1248 14 Adjust needle More pre air screw out needle Less pre air screw in needle d Fixate needle by tightening needle carrier 1248 13 to counter hold the needle end 1248 14 see illustration 4
6. costs by not entitled claims to the manufacturer This declaration of guarantee does not place a restriction of the legal and or the requirements agreed upon contractually by our general delivery conditions Stockholm 08 629 07 00 Malm 040 18 70 22 H rn sand 0611 214 63 G teborg 031 779 73 30 Karlstad 054 10 15 40 www anti corrosion com Manufactured by Bersch amp Fratscher GmbH 13
7. particularly the general safety references and the warning references Local guidelines for industrial safety and rules for the prevention of accidents are to be followed at all times Manufactured by Bersch amp Fratscher GmbH Service Manual OPTIMA 2100 version 10 2008 2 2 1 Safe handling of Optima paint spray guns a Examine before each start up in particular after maintenance and cleaning works the firm seat of all screws and nuts mothers b Attention The spray jet is under pressure and can cause serious injuries c following safety instructions should be followed at all times the spray gun is used Avoid in any case injection of colour or cleaning agents Never aim the spray gun to yourself other persons or animals and never put your hand or any other body parts into the spray jet Separate the energy and compressed air supply at all times before working on the equipment as well as work interruptions and malfunctions In case of work interruptions secure the spray gun against operation Relieve spray gun and equipment from pressure In case of malfunctions please repair the error according to chapter Trouble shooting page 10 d Danger of skin injuries Note in case of skin injuries by colour or cleaning agent which colour and or cleaning agent you used and consult immediately a physician f Danger by recoil forces In order to counter recoil forces make sure that during op
8. alve packing gland 1134 4 to the front Pull out valve packing gland seal 1133 42 to the front d Insert new valve packing gland seal 1133 42 Mount the parts vice versa see illustration 4 10 4 Change of complete nozzle set no 1248 U8 Adjust the pump pressure at 0 bar release trigger 1248 U4 completely pressure of hose relieves Secure spray gun by a 90 clockwise rotation of the safety lever 1237 3 Remove the lock nut 1248 4 by hand Take off nozzle set 1248 U2 to the front side Push out nozzle carrier from nozzle set backwards Deposit nozzle carrier complete in cleaning fluid respectively install another nozzle carrier complete according to these steps vice versa Cleaning needle for nozzle order number 00345 44 Replace if necessary seal 1240 58 Assembly in reverse order see illustration 4 LLLI oooocoo JIQ 10 5 Gesket devectively sealing retaining screw complete no 1248 U5 Adjust the pump pressure at 0 bar release trigger 1248 U4 completely pressure of hose relieves Secure spray gun by a 90 clockwise rotation of the safety lever 1237 3 Remove the lock nut 1248 4 by hand Take off nozzle set 1248 U2 to the front side Release packing gland 1248 12 Unscrew breech ring cap 1240 7 and take off needle piece complete with springs and pressing discs pull out backwards 9 Unscrew sealing retaining screw by using socket wrench SW 10 and replace in connection with sealing r
9. ation 1248 U6 C Round jet regulation 1240 U5 D Spring pressure reinforcement 1236 5 E Swivelling air connection 1133 U11 F Ball bearing material connection 1248 U7 G Trigger 1248 U4 H Trigger lock 1237 3 Filter 1233 75 J Air cap 1248 U2 K Nozzel carrier 1248 U8 L Closing piece 1240 7 M Union nut 1248 4 Table to illustration 1 paint spray gun optima 2100 8 1 8 2 8 3 8 4 Start up OPTIMA 2100 j OPTIMA 2100 3 B Illustration 1 paint spray gun optima 2100 Before the first use flush the material supply inclusive nozzle with solvent resp cleaning agent Material flow and spraying picture depend on the size of the spray nozzle the material viscosity and the material pressure See nozzle selection table page 12 table 2 trouble shooting page 10 Operation Air connection Swivelling air connection 1133 U11 connecting thread G 1 4 Air supply for flat jet air cap and round jet air clean and dry air increases your spraying quality and extends the life span of your high pressure spray gun Paint connection Attention high pressure Consider all safety regulations Swivelling material connection 1248 07 Connecting thread NPSM 74 Use only permissible high pressure hose Take care of the right position of the ball cone seal Operation of the high pressure spray a Turn trigger lock 1237 3 90 degrees downwards Spray
10. cturer BEFRAG Bersch amp Fratscher GmbH Spezialfabrik f r Lackiertechnik 63791 Karlstein declare under our sole responsibility that the product HIGH PRESSURE Spray Gun AIR COMBI OPTIMA 2100 250 bar no 001248 Conform with the relevant regulations of the EC machine guideline 98 37 EG including their changes at this time period Conform with further relevant regulations of the EC machine guideline including their changes at this time period 2 Directive 94 9 EC Equipment in explosion endangered environments Use in zone 1 equipment of category 2 following harmonized standards or parts from this were used DIN EN ISO 12100 2004 04 Part 1 and 2 Safety of machines EN 349 Minimum distances to avoid stem presses EN 23741 Noise formation EN 457 Noise protection regulations gt pr EN 349 Engineering safety regulations pr EN 1953 1998 12 Spraying apparatus for coating materials Safety requirements 2 DIN EN 13463 1 Non electric devices for using in explosion endangered areas following national technical standards and specifications were used pr EN 614 1 Ergonomic formation basic principles Karlstein date 01 10 2008 Mr Bernward Keller head of department spraying machines Manufactured by Bersch amp Fratscher GmbH 11 OPTIMA 2100 10 2008 version Service Manual 1233 45 Kennfarbe rot 1240 5 65pm 200 msh P A Kennfarbe gelb 160 pm 100 msh Kennfarb
11. e thoroughly and take care of the right position of o ring 104 0022 in the upper paint hose part of the paint tube Filter should jut out from paint tube approx 4 mm Lubrication O ring needle guidance needle seal as well as lever bearing need to be lubricated regularly with silicone free oil and or silicone free grease Replacement of parts In any case detach the gun from the pump Paint needle a Unscrew breech ring cap 1240 7 b Take out needle with pressing disc and spring at its end backwards c Insert new needle with pressing disc and spring see illustration 1 Manufactured by Bersch amp Fratscher GmbH Service Manual l OPTIMA 2100 version 10 2008 10 2 Needle seal inverted cup seal 1248 10 defectively a Dismantle needle according to point 10 1 b Dismantle trigger 1248 U4 by loosening trigger screw 1248 33 remove trigger axle 1248 17 Screw out tightening nut 1240 9 d Pull out complete connection piece 1248 3 to the front Attention Between connection piece 1248 3 and gun body there are for sealing purposes one o ring 104 0018 and two sealings 1240 63 Unscrew packing gland 1248 12 substitute distancing gland 1248 11 and inverted cup seals 1248 10 with o rings 104 0020 f Mount the parts vice versa please take care that packing gland 1248 12 is not tightened to strong see illustration 4 10 3 Valve seal a Dismantle lever according to point 10 2 b b Turn out v
12. e weil 320 ym 50 msh Kennfarbe gr n 630 pm 30 msh 104 0018 1240 635 1248 16 1248 17 lergedichtet 1248 U6 1248 33 1248 4 1248 U2 r 1233 9 1240 58 7 1248 US 1 p 1240 25 1248 U4 1248 18 1248 36 Double nipple 1248 34 Hexagon nut 1240 7 Breech ring cap 1248 33 Flat head screw 1248 32 Valve packing gland 1248 29 Compression spring 1248 19 1248 20 1240 US set screw complete 1248 27 Paint tube L E ej 1248 26 Paint tube connection q 1237 3 Safety lever 1248 20 Lower paint hose part 1236 7 Prong ring 1248 19 Upper paint hose part 1248 26 104 0022 1236 5 Set screw 1248 18 Jam nut 133 26 1731 3 1235 14 Compression washer small 1208 17 Lever axle 1235 13 Compression washer large 1248 16 Locking screw 1248 27 oh 1248 14 Needle end 1233 76 Filter 180 pm 80msh 1248 13 Needle carrier 193 01 1233 75 Filter 100 pm 7 150 msh 1248 12 Packing gland 1233 74 ter 50pm 295 msh 1248 11 Distance gland 1233 49 Sealing 1248 10 Inverted cup seal 3x 1233 45 _ inset filter 1248 9 Sealwascher 1233 28 Screw 1248 4 Lock nut 1248 36 1233 76 es 150 UR J 295 bah 1233 26 Washer 1248 3 Connection piece 1136 07 Mer ror mr 52 msh 1233 9 Sealing ring 128 08 Nozzle carrier VZ 1233 15 123007
13. eration you stand safely and change your position regularly to avoid fatigue 2 2 2 Grounding Due to the high flow rate of the colour and air electrostatic loading of the equipment is possible When unloading these can cause sparks or flames Make sure the equipment is grounded while operating and also ground the work pieces to be coated All persons within the work area should be grounded e g by wearing antistatic shoes and when operating the spray gun antistatic gloves should be word for grounding over the handle of the spray gun 2 2 3 Material and air hoses Ensure that only material and air hoses are used which are laid out for the appropriate operating pressures Make sure that the material of the material hose is chemically steady against the sprayed materials Make sure that on the used high pressure hose the manufacturer the manufacturing date and permissible operating pressure are recognizable Attention The electrical resistance of the complete high pressure hose must be smaller than 1 MOhm 2 2 4 Cleaning Decouple the equipment from the pneumatic inlet and relieve the pressure Make sure that the ambient temperature is at least 5 C under the flash point of the used cleaning agents Use for cleaning only solvent damp rags and brushes Use in any case hard articles and never spray apply cleaning agents with a spray gun Attention In closed containers a combustible gas air mixture can form Th
14. erefore never spray during equipment cleaning with solvents into a closed container Manufactured by Bersch amp Fratscher GmbH Service Manual OPTIMA 2100 version 10 2008 2 2 5 2 3 Handling liquids lacquers and colours Consider all handling specifications of the manufacturer s of all used paints solvents and cleaners during the paint preparation the paint application as well as the cleaning process Obey all prescribed preventive measures carry an eye protector protective clothing and gloves and use if necessary skin protection cream Always carry a protective mask and or use a respirator when painting as well as during preparation and cleaning Operate the spray gun only in a spray booth or at a spray wall with operating ventilation to exhaust the overspray in order to guarantee a sufficient health and environmental protection Carry when processing hot materials max 60 C appropriate protective clothing Adhesion Bersch amp Fratscher declines any liability for damages which result from not intended use The equipment may be used only for processing material recommended by Bersch amp Fratscher The equipment may only be operated as a complete unit Protection devices may not be disabled Only Bersch amp Fratscher original spare parts and accessories may be used In case of self disassembly the liability is void Connected loads A Maximum permitted air pressure 8 bar recommended operating pressu
15. gun is now released b Pulltrigger 1248 U4 up to the first pressure point pre air c Pulltrigger 1248 U4 completely high pressure colour jet starts d After ending the spraying procedure secure spray gun at all times by turning the trigger lock 90 degrees upwards again see illustration 1 Note In order to avoid a drop formation at the spray gun keep the pre air valve 1 2 sec after spraying open Flat jet regulation By means of the flat jet regulation 1248 U6 atomization air is added to the flat jet Clockwise rotation Counter clockwise rotation little air much air Manufactured by Bersch amp Fratscher GmbH little atomization high atomization rc Service Manual OPTIMA 2100 version 10 2008 8 5 8 6 8 7 8 8 8 8 1 8 8 2 Trigger forces Trigger pressure adaptation according to the material pressure The spring force is adjustable from approx 80 250 bar 1 138 3 557 PSI 250 bar tighten screw 1236 5 completely 80 bar unscrew screw 1236 5 to tappet For pressures in between 80 and 250 bar choose a correspondingly intermediate adjustment of the screw 1236 5 Round jet regulation By means of the round jet regulation 1240 U5 atomization air is added to the flat jet cap from the sides Clockwise rotation little air little adjustment to round jet Counter clockwise rotation much air high adjustment to round jet Adjustment of atomization air cap Put pump pressure
16. high pressure spray gun For a general cleansing we offer a professional service in our company 15 Available accessories Insert filter Nozzle carrier complete AirCombi hose pair AirCombi soft hose pair Repair kit Air hose 50 um 295 msh red colour 100 um 150 msh yellow colour 150 um 80 msh white colour with nozzle bores in diameters 0 18 0 23 0 28 0 33 0 38 0 43 mm and further sizes in different spraying angles are also on stock available deviating nozzle bores on request Nozzle cleaning needles 7 5 meter G1 4 air connection 51 4 material connection 7 5 meter G1 4 air connection 51 4 material connection Pk 6 endless Order number 001233 74 001233 75 001233 76 01248 U8 000345 44 2462 U1 2462 U2 000345 172 003633 05 cut to length on request and on both sides G 74 union nut g q Manufactured by Bersch amp Fratscher GmbH 10 Service Manual 2100 version 10 2008 Current nozzle sizes Spray angle 20 30 40 50 60 Orifice size 0 18 mm 218 318 418 0 23 mm 223 323 423 523 623 0 28 mm 228 328 428 528 628 0 33 mm 233 333 433 533 633 0 38 mm 238 338 438 538 638 0 43 mm 243 343 443 543 643 Other sizes available upon request 16 Declaration of conformity DECLARATION OF CONFORMITY Wi Oberflachentechnik according to the EC Guide Line Machines We manufa
17. ing 1240 25 At the same time check the ball on needle piece 1248 U3 h Mounting of the parts according to these steps vice versa see illustration 4 EENG LAE 11 Positive Pressure For short positive pressures of 10 12 bar 143 170 psi at the air supply and higher pump pressures above 250 bar 3 556 psi material pressure there is no danger of the destruction of the high pressure spray gun Positive pressure in the material area are compensated by automatic release of the paint needle Note Leaving spraying material 12 Workstation related sound pressure level Technical equipment total air adjustment 1248 U6 on max Measured values Round jet Flat jet 1 0 bar 67 dB A 1 0 bar 69 dB A 1 5 bar 71 dB A 1 5 bar 74 dB A 2 5 bar 78 dB A 2 5 bar 79 dB A The measurements and datas are based on the following rules of the measuring technique Regulation for equipment safety law DIN 45635 Part 1 04 84 Manufactured by Bersch amp Fratscher GmbH 9 Service Manual version 10 2008 13 Disposal The high pressure spray gun is not subject to special disposal regulations 14 Trouble possiblilities OPTIMA 2100 Functional disturbance Possible cause Repair 14 1 Decrease in paint flow when spraying Filter of gun clogged Viscosity too high Too low material pressure Clean the filter see point 9 3 Water down the paint Increase air inlet pressure of the p
18. ity of the working environment Ensure that the work area is always kept clean and well lit Clutter or dim work areas can lead to accidents b Ensure that the floor of the work area is antistatic in accordance with EN50053 part of 1 5 7 2 measurement according to DIN 51953 and that all persons within the work area wear antistatic shoes e g shoes with leather soles c Ensure that the operators wear antistatic gloves for grounding over the handle of the spray gun when painting d Obey all local regulations concerning the overspray exhaustion and make sure that they X exist at the operating place and that they are used properly e In addition the following components of a safe working environment must exist and or be available Make sure that for the high operating pressure there are appropriate material and air hoses available and used Make sure that the personnel has personal protection equipment available and uses it Using personal protection equipment such as breath and skin protection as well as if necessary skid proof safety shoos reduce the risk of injuries f Guarantee that no ignition sources such as open fire spark glowing wires or hot surfaces are present in the work area and that there is no smoked in the work area Safety refereces for the operators Read the operating instructions completely and in detail before start up of the spray gun All bi information in this manual is to be followed
19. peration 12 months with two shift operation or 8 months with three shift operation starting from delivery date to the end user in particular because of fabric malfunctions material defects which are unusable or handicapped in their functionality That means that we decide if we exchange or repair the complete unit or single parts ot this unit The warranty extends to the materials value of these parts Further requirements of any kind in particular on compensation are impossible That applies also to damages which occurs during consultation training and demonstration If the buyer wishes immediately a repair or replacement before an obligation to indemnify was determined in the context of the work warranty then the replacement or repair takes place against charging and payment of the respective current market price If the warranty claim exists after checking the item the seller will provide a credit note for the charged repair job or substituted items The parts for we supplied a replacement change into our property Claims or other complaints will not authorize the buyer and or orderer to refuse or retard the payment Returning of the claimed item has to take place to us free of charges We cannot cover assembly costs work time and travel costs as well as freight and packing costs Here our assembly conditions apply We do not take over any warranty for damages which caused by the following reasons or were along caused Unsuitable o
20. r inappropriate usage incorrect assembly and or initial start up by the buyer or through third persons or parties Normal wear incorrect treatment or maintenance use of force damage by third parties or by contaminant damage by ignoring of the users manual interferences and changes in the product unsuitable coating material spraying materials exchange materials and chemical electro chemical or electrical influences if the damage is not caused by us Grinding coatings spraying materials like e g Menninge dispersions glazes liquid emery zinc rich paints etc reduce the life span of valves packings spray guns nozzles cylinder piston etc Wear which can be led back on that is not covered by this warranty Components which were not built by B amp F are subject to the original manufacturer warranty The exchange of suche a part does not extend the guarantee period of the equipment The warranty expires with influences by third parties The equipment is to be examined immediately after receipt Claims must be advised to us in written form within 14 days after receipt of the equipment under indication of the model description and the serial number We reserve the rights to fulfill the warranty by a partner company The achievement of this warranty depends on the proof of the invoice If the warranty claim validly made by the warranty taker is not confirmed the repair invoice goes to the buyer Additionally the buyer has to refund all
21. re 1 5 3 bar Operating pressure depends on viscosity nozzle size and kind of spray system Airless Air Combi B Maximum permitted material temperature by operation without gloves is 40 degrees Celsius C Maximum permitted material temperature by operation with gloves is 60 degrees Celsius D Maximum permitted material pressure 250 bar Material consumption and throughput values a Material consumption values depending on nozzle bore and pump pressure b Material throughput values Measurement based on the following values Operating pressure 100 bar Nozzle size 0 23 mm Material viscosity 45 seconds DIN 4 mm 20 degrees Celsius Material throughput approx 0 26 l min Air consumption Air consumption of the high pressure paint spray gun total air regulating valve 1248 to U6 adjusted fully on max See description of function Table designation B Round jet Flat jet 1 0 bar 5 0 cbm h 84 0 l min 1 0 bar 4 3 cbm h 72 0 l min 2 0 bar 8 1 cbm h 136 0 I min 2 0 bar 6 9 cbm h 115 0 l min 3 0 bar 211 1 cbm h 185 0 I min 3 0 bar 9 2 cbm h 154 0 l min These values can be reduced by operating the total air adjustment 1248 6 by approx 80 i e values are than only approx 20 90 Manufactured by Bersch amp Fratscher GmbH Service Manual version 10 2008 Description of function Description Order no A Hook B Flat jet regul
22. ump 14 2 Irregular jet Airless nozzle clogged Filter of gun clogged Nozzle to wide or worn out Viscosity to high No or not enough atomizer air Air slits dirty Atomizer air pressure to high or too low Replace nozzle see point 10 4 Clean the filter see point 9 3 or change the filter Insert new nozzle see point 10 4 Water down the paint Open regulation no 1248 U6 see point 8 4 Clean with a brush Do not u use a wire brush Adjust pressure regulation valve 14 3 Spray gun still sprays when closing Seal washer or needle ball worn out Needle spring has lost stress Needle seal too strong thus needle can not be moved through the spring Needle and needle sealing dirty Change parts see point 10 1 to 10 5 Replace spring see point 10 1 Change sealings see point 10 2 14 4 Spray gun leaks paint on needle seal Needle seal worn Packing gland is not installed tight enough Replace sealings see point 10 2 Tighten packing gland 14 5 Spray gun is blowing Valve spring fatigue Valve sealing worn Valve defective Replace spring no 1136 20 Change valve sealing see point 10 3 Change valve 14 6 Spray gun has no or to little pre air Pre air stroke screw not properly adjusted Adjust pre air see point 8 10 Regularly cleansing and servicing prolongs the life span of the
23. valve 1248 U7 Swivel material connection Filter gelb 100 ym 150 msh 1136 21 Pin 1248 U6 Air regulation i 1136 20 Compression spring 1248 U5 ealing retaining screw cpl 1233 76 1136 10 Locking screw 1248 U4 Trigger 133 1 136 1136 i pan SA mj e LH Filter weil 180 pm 80 msh 1136 U14 Valve pin complete 1248 U3 Needle complete 1133 42 Valve packing gland seal 1248 U2 Nozzle set 1133 011 Swivel air connection 1240 63 Sealing 2x 104 0022 0 Ring 12 1 5 mm Viton 104 0020 0 Ring 4 0 x 1 2 mm Viton 4x 104 0019 O Ring 7 0 x 1 0 mm Viton Sealing ring aluminium 104 0018 Tightening nut 1248 U3 1248 9 1248 11 1248 12 1248 13 1248 14 1235 13 1248 29 1235 14 1236 7 1240 7 1236 5 PART INDENTIFICATION 12 OPTIMA 2100 ing Explosion drawi Manufactured by Bersch amp Fratscher GmbH illustration 4 Service Manual OPTIMA 2100 version 10 2008 17 Declaration of guarantee Bersch amp Fratscher grants a warranty to the following extent for paint spray guns The warranty extends to the material values of parts with fabric malfunctions or material defects which turn out within the guarantee period Those defective parts excluding wearing parts are at our choice repaired free of charge or new supplied which are substantially impaired in usability in a time period of 24 months with one shift o
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