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1)  Always wear appropriate gloves, eye protection, and a respirator or mask when painting. 

2)  Do not operate or spray near children. Keep children away from equipment at all times. 

3)  Don not overreach or stand on an unstable support. Keep effective footing and balance at all times. 

4)  Stay alert and watch what you are doing. 

5)  Do not operate the unit when fatigued or under the influence of drugs or alcohol. 

6)  Do not kink or over-bend the hose. 

7)  Do not expose the hose to temperatures or to pressures in excess of those specified by the manufacturer. 

8)  Do not use the hose as a strength member to pull or lift the equipment. 

9)  The Max. pressure of the air hose is 22.8Mpa, the normal pressure is 20.7Mpa 

10) The paint can be compatible: phenol aldehyde paint series, nitryl paint series, alkyd paint series, epoxy resin paint series, 

oxidized rubber paint series, latex paint series, water soluble paint series. The paint should be put in shade and dry 

place. 

11) Be aware of any hazards presented by the material being sprayed and consult the markings on the container or 

information supplied by the manufacturer of the material to be sprayed, including requirements for the use of personal 

protective equipment. 

12) Do not spray any material there the hazard is not know.   

Technical Data 

TYPE: 

R520 

Maximum delivery gpm (lpm) 

3.2Lpm(0.85Gpm) 

Power requirements 

230±10%Vac, 

50±1Hz 

Working environment temperature 

requirement: 

5

~40

 

Input power 

2200W(3HP) 

Working environment humidity requirement:  30%~95% 

Maximum working 

pressure 

3300PSI 

Working environment altitude requirement: 

1000m 

Sound pressure level: 

73.9 db 

Transportation and storage temperature 

requirement: 

25

~55

 

Vibration value: 

3.24 m/s² 

Dimensions Weight 

20kg 

 

Warning 

The following warnings are for the setup, use, grounding, maintenance and repair of this equipment. The exclamation point 

symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risks. Refer back to these 

warnings. Additional, product-specific warnings may be found throughout the body of this manual where applicable. 

   

 

 

FIRE AND EXPLOSION HAZARD 

Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help 

prevent fire and explosion: 
• Use equipment only in well ventilated area. 
• Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and 

plastic drop cloths (potential static arc). 
• Sprayer generates sparks. When flammable liquid is used in or near the sprayer or for flushing 

or cleaning, keep sprayer at least 20 feet (6 m) away from explosive vapors. 
• Keep work area free of debris, including solvent, rags and gasoline. 
• Do not plug or unplug power cords or turn lights on or off when flammable fumes are present. 
• 

Ground equipment and conductive objects in work area. Read Grounding instructions

• If there is static sparking or you feel a shock, 

stop operation immediately. 

Do not use 

equipment until you identify and correct the problem. 
• Keep a working fire extinguisher in the work area.

 

Summary of Contents for R520

Page 1: ...leaning Procedure 10 Pressure release procedure 11 Daily Maintain 11 General Repair Information 11 Troubleshooting 12 Parts List 14 Sealing ring replace 13 Airless Sprayer Electrical Installation Drawing 13 Important Safety Instructions Read all warnings and instructions in this manual Save these instructions 1 Must be grounded Read grounding instructions Use only grounded electrical outlets or gr...

Page 2: ... pump assembly in a well ventilated area Do not spray pump assembly 9 Do not smoke in the spray area 10 Do not operate light switches engines or similar spark producing products in the spray area 11 Keep area clean and free of paint or solvent containers rags and other flammable materials 12 Know the contents of the paints and solvents being sprayed Read all Material safety Data Sheets MSDS and co...

Page 3: ...perature requirement 5 40 Input power 2200W 3HP Working environment humidity requirement 30 95 Maximum working pressure 3300PSI Working environment altitude requirement 1000m Sound pressure level 73 9 db Transportation and storage temperature requirement 25 55 Vibration value 3 24 m s Dimensions Weight 20kg Warning The following warnings are for the setup use grounding maintenance and repair of th...

Page 4: ...s Use fluids and solvents that are compatible with equipment wetted parts Read Technical Data in all equipment manuals Read fluid and solvent manufacturer s warnings For complete information about your material request MSDS from distributor or retailer Check equipment daily Repair or replace worn or damaged parts immediately with manufactory replacement parts only Do not alter or modify equipment ...

Page 5: ...xic materials gases mists and vapours which may be created by operation of the machine Such warnings shall also include such regarding the use of personal protective equipment and reminding the user to be aware of the recommendations of the coating material manufacturer D Surface temperatures of any part of the machine reachable during normal operation maintenance and servicing but not normally in...

Page 6: ...reen outer surface with or without yellow stripes is the grounding wire and must be connected to the grounding pin Check with a qualified electrician or serviceman if the grounding instructions are not completely understood or if you are in doubt as to whether the product is properly grounded Do not modify the plug provided If the plug will not fit the outlet have the proper outlet installed by a ...

Page 7: ...ive surface such as paper or cardboard which interrupts grounding continuity Grounding the metal pail Connect a ground wire to the pail by clamping one end to pail and other end to ground such as a water pipe To maintain grounding continuity when flushing or relieving pressure hold metal part of the spray gun firmly to the side of a grounded metal pail then trigger the gun Locking and Unlocking th...

Page 8: ... conductive material is located between the braid layers FEATURES Polyurethane cover permits greater flexibility and tighter bends Resistant to flex fatigue Dissipates static charge Will not swell or degrade in contact with most paint chemicals oils and most other solvents Light weight approximately half that of comparable rubber or wire hose O D smaller than comparable rubber hose without reducin...

Page 9: ...a few seconds water will begin to flow up through the tube and flow out from outlet valve tighten the outlet valve deasil then tighten the pressure valve deasil 4 When the pressure reaches up to around 207bar check if there is any leakage on the outlet hose if it s leak Please check Don t stop or deflect leaks with your hand body glove or rag 5 If doesn t leak open the spray gun and have a testing...

Page 10: ...object 3 In order to get an intact and slick surface spray from level and vertical respectively Spraying time will be variable with different paints Spray for second time when the first painting is dry Begin spraying on well spray stop spraying Fig 4 4 During your spraying if you need to stop for several minutes loosen the pressure valve and revolve prime valve in counter clockwise then shut the m...

Page 11: ... Test repairs after problems are corrected If sprayer does not operate properly review repair procedure to verify you did it correctly See Troubleshooting Overspray may build up in the air passages Remove any overspray and residue from air passages and openings in the enclosures whenever you service sprayer Do not operate the sprayer without the motor shroud in place Replace if damaged Motor shrou...

Page 12: ...p 2 Verify pump does not continue to stroke when gun trigger is released 2 Service pump 3 Prime valve leaking 3 Relieve pressure Then repair prime valve 4 Suction tube connections 4 Tighten any loose connections Check o ring on suction tube 5 Electric supply with volt meter Meter must read 220 240 Vac Low voltages reduce sprayer performance 5 Reset building circuit breaker replace building fuse Re...

Page 13: ... plunger rod connecting pin 3 Lose the cap 4 Unscrew the pump body components separately on the pump body and feedstock block 5 Take out the plunger rod in the opposite direction take out the ring size 6 In the size of ring outer ring with a little grease Press the ring into the pump body 7 Press the plunger rod into the pump body 8 Put Into the pump body components according to the disassembly se...

Page 14: ... 87 91 92 93 94 95 103 104 48 8 9 55 62 7 9 5 37 98 79 100 99 50 28 29 30 31 33 35 36 37 34 12 13 14 15 16 17 18 19 20 21 25 26 24 27 23 22 90 89 32 46 105 106 107 108 109 110 112 111 113 64 65 67 71 69 49 70 66 101 102 High Pressure Airless Paint Sprayer R520 220V Explosive View and Parts list Issue date 2016 05 10 Version no Package Accessories ...

Page 15: ...th 1 19 High lip sealing ring 1 59 Bearing 2 99 Handle 1 20 Small V shaped pressure ring 1 60 Block ring 2 100 Rubber washer 1 21 Large V shaped supporting ring 3 61 gear shaft 1 101 Pressure sensor assembly 1 22 Large V shaped sealing ring 2 62 Small gear 1 102 Handle sheath 1 23 supporting seat 1 63 Gear shaft circlip 1 103 The base frame assembly 1 24 Piston Sealing washer 1 64 Motor assembly 1...

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