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Translation of the original operation manual 

45

Airless 270_BAoDB_en_1405 •• 0550022 •• jw

Maintenance

1. 

Open the release ball 
valve (1) and quickly 
operate the gun to verify 
that the equipment is fully 
depressurised.

2. 

Use the enclosed hook 
spanner to release the 
box nut (2) on the cap and 
remove the cap (3) of the 
high pressure filter.

3. 

Loosen the nut (4) and 
remove the filter element 
(5).

4. 

Clean the filter element 
with solvent. If the filter 
element is damaged it 
should be replaced with a 
new filter element.

5. 

Place the filter element 
back on the threaded bolt 
(6) and retighten the nut 
(4).

6. 

Screw the cap (3) with the 
box nut (2) onto the high 
pressure filter and tighten 
it with the hook spanner.

1

2

6

3

Fig. 17

 Removing 

 lter element

5

4

¬

No. Designation

1

Discharge ball valve

2

Retaining nut

3

Cap

4

Nut

5

Filter element

6

Threaded bolt

Summary of Contents for AIRLESS 270

Page 1: ...Translation of the original operation manual Airless 270_DB_en_1403 0550022 jw Operation Manual Serial number ________________ AIRLESS 270...

Page 2: ......

Page 3: ...ks 14 2 3 Information signs on the equipment 15 2 4 Safety features 15 2 4 1 Safety valve 16 2 4 2 Compressed air shut off valve 17 2 4 3 Ground cable 18 2 5 Operating and maintenance personnel 18 2 5...

Page 4: ...embly 27 4 1 Transportation 27 4 2 Installation location 28 4 3 Assembly 29 4 3 1 Mounting the wall bracket 29 4 3 2 Assembling spray hose and spray gun 30 4 3 3 Grounding the equipment 31 4 3 4 Conne...

Page 5: ...ure pump 43 6 4 1 Checking release agent for material residue 43 6 4 2 Fill in release agent and check the fill level 44 6 4 3 High pressure filter 44 6 4 4 Cleaning the filter element 44 6 4 5 Filter...

Page 6: ...o wiwa de Internet www wiwa de This operation manual is solely intended for personnel involved in prepara tion operation and servicing It is prohibited to pass on this operation manual for reproductio...

Page 7: ...ply in your country In Germany these are as follows ZH 1 406 Richtlinien f r Fl ssigkeitsstrahler Guidelines for Liquid Jets published by the German Hauptverband der Gew erblichen Berufsgenossenschaft...

Page 8: ...personnel and equipment All the people that are involved in set up commissioning operation maintenance repair and servicing of the spray gun must have read and understood the operation manual beforeha...

Page 9: ...tric voltage or electrostatic charging Risk of crushing by moving equipment parts Risk of burning due to hot surfaces Mandatory safety instructions primarily concern personal protective equipment to b...

Page 10: ...delines work instructions and operation manuals that contain important information which you must observe at all times 2 2 Safety notes Please remember that the equipment works at high pressure and ma...

Page 11: ...the eyes Never point the spray gun at yourself other persons or animals Do not hold your fingers or hands in front of the spray gun Do not reach into the spray jet with your hands WARNING Unintention...

Page 12: ...equipment is contaminated by material during operation the increased coating thickness can lead to electrostatic charging Static discharges can cause fire and explosion Clean the equipment immediately...

Page 13: ...al data and markings according to ATEX correspond with the necessary requirements Please note that several components have their own type plate with separate marking according to ATEX In this case the...

Page 14: ...the generally applicable regulations when handling paints cleaning agents oils greases and other chemical substances When cleaning your skin use only appropriate skin protection skin cleaning and skin...

Page 15: ...and follow the safety notes in the operation manual Fig 1 Safety Information 2 4 Safety features WARNING If one of the safety features is missing or not fully functional the operating safety of the e...

Page 16: ...ect function test see chapter 2 2 1 Operating pressure Please observe the instructions for use for the optional accessories when testing other safety features 2 4 1 Safety valve This equipment is equi...

Page 17: ...the maximum permissible air inlet pressure of the equipment see type plate equipment card and sealed with a lead seal 2 4 2 Compressed air shut off valve The compressed air shut off valve on the air m...

Page 18: ...ect handling of the equipment as well as in wearing the correct work clothing and personal protective equipment must provide tools to the operating and maintenance personnel such as e g lifting equipm...

Page 19: ...Personal protective equipment Wear protective clothing Always wear the protective clothing specified for your work environment e g antistatic protective clothing in areas subject to explosion hazards...

Page 20: ...wear Wear antistatic protective footwear to prevent injuries to the feet due to objects that may fall drop or roll around and to prevent slipping on a slippery floor 2 6 Notes on warranty Please note...

Page 21: ...ations are found in the separate operating instructions for the accessories 2 7 Emergency procedures 2 7 1 Stop the equipment and release the pressure In an emergency immediately shut down the equipme...

Page 22: ...nd replace defective compo nents only by trained personnel Do not try to seal leaks on the connections and high pressure hoses with the hand or by wrapping fabric around them Do not repair material ho...

Page 23: ...lter 4 Spraying hose 5 Container with spraying material The technical data of your equipment can be found on the attached equipment card or on the type plate 3 1 Intended use The WIWA Airless equipmen...

Page 24: ...24 Translation of the original operation manual Airless 270_BAoDB_en_1405 0550022 jw Equipment description 3 2 Equipment design Fig 7 Airless LM 270 here on cart 14 13 12 7 8 6 3 5 4 4 2 9 10 11 1...

Page 25: ...the most common accesso ries and expansion parts The detailed accessory catalogue can be found at www wiwa de More information and order numbers can also be obtained from an authorised WIWA dealer or...

Page 26: ...raying see separate operating instructions Heating the air for the air motor to prevent icing over Observe and follow the separate operating instructions of the material flow heater 3 3 3 Agitator As...

Page 27: ...eyes supplied see Fig 7 no 1 The lifting eyes are only designed for the weight of the high pressure pump Do not use them to lift the entire equipment including accessories hoses or frame Secure the e...

Page 28: ...ration free The equipment must not be tipped or on an incline Ensure that all the operating elements and safety features are easy to reach Safety measures at the place of installation This equipment r...

Page 29: ...ed personnel only WARNING Sources of ignition may result from assembly work e g through mechanical sparks electrostatic charge etc Carry out all assembly work outside of areas with explosive atmospher...

Page 30: ...f the material hose and the spray gun before assembly It must be greater than or equal to the maximum operating pressure of the equipment as specified on the type plate Only use conductive material ho...

Page 31: ...e areas 2 Ensure proper grounding of the object to be coated 4 3 4 Connect compressed air The compressor capacity must match the air requirements of the equipment and the diameters of the air supply h...

Page 32: ...rums do not run dry during operation Never leave the equipment running unat tended However should this happen stop the corresponding pump immediately and feed material 5 1 Put the equipment into opera...

Page 33: ...is emitted The pump and the hoses are now completely filled with materi al 5 Release the trigger and secure the spray gun The pump should stop when the trigger is released 6 Close the compressed air...

Page 34: ...e causes increased material con sumption and paint mist Insufficient spraying pressure re sults in the appearance of stripes and differences in the coating thickness 30 40 cm Fig 12 Spraying distance...

Page 35: ...in layer thick layer Replace the spray nozzle before it is worn Worn nozzles cause higher material consumption and have a negative effect on the quality of coating 5 3 Flushing Flushing the equipment...

Page 36: ...1 Close and secure the spray gun 2 Regulate the compressed air pressure controller down all the way The pressure gauge has to show 0 bar 3 Close the compressed air shut off valve 4 Hold the drain hos...

Page 37: ...alve on the high pressure filter until pure clean ing agent is emitted 13 Close the drain valve 14 Hold the spray gun laterally against the inner wall of the collect ing vessel 15 Open the spray gun u...

Page 38: ...work and cause severe injuries Cover the screw fitting with a rag during releasing to protect yourself against sudden release of material Release the screw fittings very carefully and release the pre...

Page 39: ...briefly to release the pressure The cleaning agent which is still in the equipment remains in the equipment until recommissioning to prevent the equipment parts from sticking For longer idle times th...

Page 40: ...t all maintenance work outside of areas with explo sive atmospheres Observe the maintenance information in the operating instructions of the optional accessories Before maintenance and repair work 1 C...

Page 41: ...ntil the next inspection The inspection report or a copy of it must be available at the place of use of the equipment 6 2 Maintenance plan The information in the maintenance plan are recommendations T...

Page 42: ...ering the equipment The maintenance unit is equipped with the following maintenance elements 5 6 4 3 9 8 Fig 15 Maintenance elements 1 2 7 No Designation 1 Compressed air shut off valve with automatic...

Page 43: ...g vessel The drain valve opens as soon as the compressed air shut off valve has been closed Check the container see Fig 15 no 5 for dirt residue regularly and clean as required 6 4 High pressure pump...

Page 44: ...release agent reaches the middle of the sight glass 3 Unscrew the screw to drain release agent 3 1 Fig 16 Filling checking draining release agent 2 6 4 3 High pressure lter 6 4 4 Cleaning the lter ele...

Page 45: ...pressure filter 3 Loosen the nut 4 and remove the filter element 5 4 Clean the filter element with solvent If the filter element is damaged it should be replaced with a new filter element 5 Place the...

Page 46: ...07 050 M 30 blue 0659107 030 M 20 green 0659107 020 Do not use a filter element when applying coarsely pigmented or fibre filled materials The standard suction strainer should remain in the filter hou...

Page 47: ...information in spare parts lists The release agent and the pneumatic oil are available in large containers on request 6 6 Special tools The following special tools for maintenance and repair work are...

Page 48: ...r clogged Pump does not start despite oper ation of spray gun or opened drain valve on high pressure lter Compressed air shut off valve closed Open the compressed air shut off valve No air inlet press...

Page 49: ...from below with a pin or a screwdriver The bottom valve does not close Unscrew the bottom valve thoroughly clean ball and seat The pump delivers material but does not stop when the spray gun is closed...

Page 50: ...crew ttings of the suction pipe or the suction hose replace if necessary see spare parts list for suction line or direction suction Bottom valve leaking pump only stops in upward stroke when the spray...

Page 51: ...ble operating pressure bar 484 Air consumption I DH 14 77 Piston diameter of the air motor mm 270 Piston stroke of the air motor mm 120 Air inlet maintenance unit Nominal size 25 Material outlet high...

Page 52: ...ist of supplied documentation 8 3 Type plate The type plate is located at the front of the carriage see Fig 7 It contains the most important technical data for the equipment Fig 19 Example of a type p...

Page 53: ...on manual 53 Airless 270_BAoDB_en_1405 0550022 jw Technical information Scan the QR code with the camera of your mobile equipment e g smartphone tablet You will need a QR code reader for decoding the...

Page 54: ...54 Translation of the original operation manual Airless 270_BAoDB_en_1405 0550022 jw...

Page 55: ...Translation of the original operation manual 55 Airless 270_BAoDB_en_1405 0550022 jw...

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