DeVilbiss SRi PRO Lite Service Manual
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DeVilbiss SRi PRO Lite Service Manual

Gravity spray gun for micro, smart repairs and small areas
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SERVICE MANUAL
EN
DEVILBISS SRi PRO SERIES:
SRi PRO Lite Gravity Spray Gun for micro, smart
repairs and small areas.
II 2 G X
IMPORTANT! DO NOT DESTROY
It is the Customer's responsibility to have all operators and service personnel read and understand this
manual.
Contact your local DeVilbiss representative for additional copies of this manual.
READ ALL INSTRUCTIONS BEFORE OPERATING THIS DEVILBISS PRODUCT.
1/24
SB-E-2-512 R2.0

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Summary of Contents for DeVilbiss SRi PRO Lite

  • Page 1 IMPORTANT! DO NOT DESTROY It is the Customer's responsibility to have all operators and service personnel read and understand this manual. Contact your local DeVilbiss representative for additional copies of this manual. READ ALL INSTRUCTIONS BEFORE OPERATING THIS DEVILBISS PRODUCT. 1/24...

  • Page 2: Functional Description

    FUNCTIONAL DESCRIPTION The SRi PRO Lite spray gun is a professional quality gun designed with EPA compliant, high efficiency or high volume, low pressure (HVLP) technology. HVLP technology reduces overspray and limits air cap pressure to 0.7 bar (10 psi). High efficiency complies with EPA by obtaining transfer efficiency above 65%.

  • Page 3: Product Description

    Product Description: SRi PRO LITE This Product is designed for use with: Solvent and water based materials Suitable for use in hazardous area: Zone 1 & 2 Protection Level: II 2 G X Vibration Level: Sound Pressure Level: Available on request...
  • Page 4 In this part sheet, the words WARNING, CAUTION and NOTE are used to emphasise important safety information as follows: WARNING CAUTION NOTE Hazards or unsafe practices which could result in Hazards or unsafe practices which could result in Important installation, operation or maintenance severe personal injury, death or substantial minor personal injury, product or property information.

  • Page 5: Fluid Tip

    Needle SRIPRO-210-06M-K SRIPRO-310-06M-K SRIPRO-200-08-K SRIPRO-300-08-10-K SRIPRO-200-10-K SRIPRO-300-08-10-K SRIPRO-200-12-K SRIPRO-300-12-14-K SRIPRO-200-14-K SRIPRO-300-12-14-K TABLE 3 - SRi PRO LITE RECOMMENDED FLUID TIP / AIR CAP COMBINATIONS Air Cap & Type 0.6mm 0.8mm 1.0mm 1.2mm 1.4mm High Efficiency HVLP Round Spray High Efficiency S= High quality stainless steel tips &...

  • Page 6: Exploded View

    EXPLODED VIEW 6/24 SB-E-2-512 R2.0...

  • Page 7: Parts List

    PARTS LIST ASSEMBLY REF. PART No. DESCRIPTION QTY. RETAINING RING SLIP RING AIR CAP RETAINING RING SEAL SEE TABLE 1 AIR CAP & RETAINING RING SEE TABLE 2 FLUID TIP & SEPARATOR SRIPRO-2-K5 SEPARATOR (KIT OF 5) BODY BUSHING SEAL BODY BUSHING SN-6-K BODY BUSHING &...

  • Page 8: Service Parts

    PARTS LIST (Continued) ASSEMBLY REF. PART No. DESCRIPTION QTY. AIRFLOW VALVE ADJUSTING KNOB VALVE PIN PRO-408-K AIRFLOW VALVE ASSEMBLY GFC-2-K5 DRIP CHECK LID (KIT OF 5) SRI-414-K2 GRAVITY CUP LID (KIT OF 2) SRI-42-K3 FILTER (KIT OF 3) GRAVITY CUP SRI-510 GRAVITY CUP KIT SPN-8-K2...

  • Page 9: Start-Up Sequence

    START-UP SEQUENCE 1. Connect the gun to a clean, moisture and oil free air supply using a conductive hose. 2. Mix coating material to Manufacturer's instructions and strain material. 3. Turn fluid adjusting knob (14) clockwise to prevent fluid needle movement. 4.
  • Page 10 NOTE If quick connect couplings are required, use only high flow quick connects. Other types will not flow enough air for correct gun operation. SPRAY GUN MAINTENANCE & CLEANING To clean air cap and fluid tip, brush exterior with a stiff bristle brush. If necesarry to clean cap holes, use a broom straw or toothpick if possible.
  • Page 11 DISASSEMBLY TIP & NEEDLE NOTE When replacing the fluid tip or fluid needle, replace tip, needle and fluid packing at the same time. Using worn parts can cause fluid leakage. Do not overtighten. CAUTION To prevent damage to fluid tip or fluid needle, be sure to either: 1.
  • Page 12 DISASSEMBLY AIR VALVE 12/24 SB-E-2-512 R2.0...
  • Page 13 DISASSEMBLY / ASSEMBLY AIR VALVE SEALS 13/24 SB-E-2-512 R2.0...
  • Page 14 DISASSEMBLY PACKING 14/24 SB-E-2-512 R2.0...

  • Page 15: General Faults

    TROUBLESHOOTING MECHANICAL PERFORMANCE GENERAL FAULTS CAUSE CORRECTION No air pressure at gun. Check air supply and air line. Will not spray. Fluid needle adjustment knob not Open fluid needle adjustment open enough. knob. Check fluid tip/needle selection Incorrect needle fitted to gun. chart and fit correct item.
  • Page 16 When removing air cap from retaining ring, do not remove the ring seat from the retaining ring. Damage to the parts may occur. Simply wipe parts clean and reassemble with new or clean air cap. FLUID FAULTS CAUSE CORRECTION Fluid tip internal seat scored Replace.

  • Page 17: Air Faults

    AIR FAULTS CAUSE CORRECTION Remove spindle and thoroughly Spindle contaminated and not clean valve shaft and seating correctly seating. surfaces. Small air leak from air cap when gun is not triggered. Spindle seal damaged or missing. Replace. 17/24 SB-E-2-512 R2.0...
  • Page 18 TROUBLESHOOTING SPRAY PERFORMANCE CONDITION CAUSE CORRECTION Heavy top or bottom pattern. Material build-up on air cap, plugged Soak cap or tip in suitable solvent horn holes, centre holes or jets. and thoroughly clean. Material build-up on fluid tip exterior Replace fluid tip or air cap if or partially plugged fluid tip.
  • Page 19 Heavy centre pattern. Turn out counter clockwise to Pattern adjustment valve set too low. achieve correct pattern. Reduce fluid flow by turning fluid Too much material. needle adjusting screw clockwise. Reduce fluid pressure. Material too thick. Thin to correct consistency. Atomising air pressure too low.
  • Page 20 Ball end heavy pattern. Change fluid tip for smaller size or Too much fluid flow. change air cap for different specification air cap. Too much atomisation air pressure. Reduce air pressure. Excessive bounce-back. Check distance (normally 150- Gun too far from surface. 200mm).
  • Page 21 DIMENSIONS 21/24 SB-E-2-512 R2.0...
  • Page 22 NOTES 22/24 SB-E-2-512 R2.0...
  • Page 23 NOTES 23/24 SB-E-2-512 R2.0...

  • Page 24: Warranty Policy

    © 2015 Finishing Brands All rights reserved. DeVilbiss is part of Finishing Brands, a global leader in innovative spray finishing technologies. For technical assistance or to locate an authorised distributor, contact one of our international sales and customer support locations below.

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