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Paint Preparation System
Spray Guns

INTENDED USE: 3M–Graco spray gun systems are intended for use only by
trained and professional tradesmen, and used solely for the purpose of
spray application of liquid coating materials. They must be used only in
areas which are compatible with the material being sprayed, in strict
compliance with applicable local and national regulations.

HVLP, Compliant, and Airspray

100 psi (0.7 MPa, 7 bar) Maximum Working Air Pressure
29 psi (200 kPa, 2.0 bar) Maximum Compliant Inbound Air Pressure
(HVLP and Compliant)

U.S. Patent Pending

Table of Contents

Symbols

2

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Warnings

2

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Selection Charts

4

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Typical Installation

5

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Setup

6

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Operation

11

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Daily Gun Care, Flushing, and Cleaning

13

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Troubleshooting

16

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Service

18

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Parts

24

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Accessories

27

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Dimensions

27

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Technical Data

27

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Warranty

28

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Contact Information

28

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Manufactured  by

Instructions – Parts List

 

II 2 G

Important Safety Instructions

Read all warnings and instructions in this manual.
Save these instructions.

Summary of Contents for 16204

Page 1: ...pliant and Airspray 100 psi 0 7 MPa 7 bar Maximum Working Air Pressure 29 psi 200 kPa 2 0 bar Maximum Compliant Inbound Air Pressure HVLP and Compliant U S Patent Pending Table of Contents Symbols 2 Warnings 2 Selection Charts 4 Typical Installation 5 Setup 6 Operation 11 Daily Gun Care Flushing and Cleaning 13 Troubleshooting 16 Service 18 Parts 24 Accessories 27 Dimensions 27 Technical Data 27 W...

Page 2: ...tible with equipment wetted parts See Technical Data in all equipment manuals Read fluid and solvent manufacturer s warnings Check equipment daily Repair or replace worn or damaged parts immediately Do not alter or modify equipment Use equipment only for its intended purpose See intended use statement on front cover Route hoses and cables away from traffic areas sharp edges moving parts and hot su...

Page 3: ...ic lamps and plastic drop cloths potential static arc 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 See Grounding instructions on page 11 If there is static sparking or you feel a shock stop operation immediately Do not use equipment u...

Page 4: ... Airspray Guns Gun and PPS Cup Assy Orifice Size Pattern Length Air Cap Marking Housing Color Part No in mm in mm 16204 051 1 3 9 228 A Black 16205 055 1 4 9 228 A Black 16206 059 1 5 9 228 A Black 16207 070 1 8 9 228 A Black Compliant Guns Gun and PPS Cup Assy Orifice Size Pattern Length Air Cap Marking Housing Color Part No in mm in mm 16208 051 1 3 11 279 C Gold 16209 055 1 4 11 279 C Gold 1621...

Page 5: ... B The spray guns were designed to produce the highest quality finish with today s automotive paint systems The HVLP and Compliant guns typically utilize 29 psi 200 kPa 2 0 bar inbound air pressure to produce high quality paint finishes and comply with environ mental regulations The air regulator must have a minimum air flow capacity of 30 scfm at 100 psi 0 7 MPa 7 bar air pressure Ventilate the S...

Page 6: ...re to the gun See Fig 3 If your regulated air source does not have a filter install an air filter G on the air line to ensure a dry clean air supply to the gun Dirt and moisture can ruin the appearance of your finished workpiece See Fig 3 Use a 5 16 inch 7 9 mm I D air hose to minimize excessive pressure drop in the hose 1 Connect the air hose D to the 1 4 npsm air inlet C D C Fig 2 7033A 2 Connec...

Page 7: ...Film is optional 1 Weigh paint in the cup with liner according to paint manufacturers instructions before mixing product Fig 4 2 Mix product as needed 3 Take the lid with built in strainer and snap onto the top of PPS cup 4 Position locking collar onto the PPS cup and turn until tight 5 With spray gun inverted lower onto PPS cup and lock gun adapter turning clockwise to lid Fig 5 ...

Page 8: ...r line connected invert gun and pull trigger fully open NOT partially to bleed air from the liner NOTE Air only needs to be bled if spraying in the inverted position Fig 7 8 With the air removed from the liner the gun may be sprayed upside down or in any direction to reach difficult areas Fig 8 ...

Page 9: ...1 Turn the fluid adjustment knob 21 counterclock wise until no restriction of the trigger movement is felt then turn out another half turn When the knob is turned far enough the trigger should be able to touch the gun handle when the gun is triggered WARNING PRESSURIZED EQUIPMENT HAZARD To avoid injury never open the fluid adjustment knob 21 beyond the one half turn indicated in Adjusting the Spra...

Page 10: ... in Adjusting the Spray Pattern page 9 If the red band on the knob stem 21 is visible the knob is not adjusted correctly and could result in serious injury Repeat steps in Adjusting the Spray Pattern page 9 7 For HVLP only to measure the air cap atomizing pressures use the accessory aircap verification kit NOTES If the fluid adjustment knob is turned in clockwise all the way the gun will emit only...

Page 11: ...the pressure stop spraying check or service any of the system equipment or install or clean the spray nozzle Pressure Relief Procedure 1 Turn off the air supply to the gun 2 Disconnect air line from the gun 3 Invert gun and pull trigger fully open not partially to return mix to gun cap Fig 13 Grounding All conductive equipment is subject to static electricity buildup read Warnings page 3 To reduce...

Page 12: ... to 200 mm from the object being sprayed See Fig 14 2 To obtain an even finish use smooth even strokes across the surface to be sprayed with 50 over lap The PPS gun cup is a sealed system and can be sprayed in any direction without spills on verti cal or horizontal surfaces 3 Paint using parallel strokes This spray gun applies all coatings evenly without cross coating WRONG RIGHT Fig 14 0793 ...

Page 13: ...ose needle valve and gauge 30 to solvents or gauge may be damaged 02055 Do not immerse the gun in solvent Do not wipe the gun with a cloth soaked in solvent ring out the excess Do not point the gun up while cleaning it Do not use metal tools to clean the air cap holes as this may scratch them scratches can distort the spray pattern 02027 07042A 07041A General System Maintenance Check Relieve the p...

Page 14: ... cup is empty the collapsed liner and lid may be disposed Consult all local state and federal regulations or authorities for proper disposal Cleaning the gun 1 Remove the air cap retaining ring 15 and air cap 14 2 Trigger the gun while you remove the fluid nozzle 12 from the gun with the gun tool 28 12 28 Fig 15 TI3616C 14 15 CAUTION Trigger the gun whenever you tighten or remove the nozzle This k...

Page 15: ...ent for prolonged periods of time Fig 18 02011 7 To avoid galling of the fluid nozzle in the spray housing 2a apply a thin film of lubricant to the back surface of the nozzle taper where it seats and also to the nozzle threads Trigger the gun while you install the fluid nozzle 12 with the gun tool 28 Tighten the nozzle securely to 40 in lb 4 5 N m to obtain a good seal Do not over torque 8 Install...

Page 16: ...l obstruction in fluid passage Flush with solvent Dry or loose fluid needle packing nut Lubricate or tighten Pattern is curved Air Cap or Fluid Tip Defective Determine if defect is in the Air Cap or Fluid Tip Rotate Air Cap one half turn and spray another test pattern If defect is inverted reverse of previous fan pattern then defect is in the Air Cap Clean air Cap If defect is not inverted reverse...

Page 17: ...source and hose Fluid needle not open enough Open fluid needle more Mix is too thick for fluid tip size Change to larger size Fluid leaking dripping from PPS cup PPS cup lid loose Tighten PPS Locking Collar Crack in PPS Lid or Liner Replace PPS lid spout not fully engaged with PPS Adapter Fluid leaking dripping from gun Check for missing or damaged O ring 34 at base of Fluid Nozzle on the Fluid Ad...

Page 18: ... 5 N m U cup lips face towards the front of the gun 15b Parts included in Rebuild Kit 16230 Item 2 includes 2a 2b Item 13 includes item 13a Item 25 includes 25a 25d 29 28 1 2 3 4 5 6 7 8 TI3619F 1 4 2a 2b 5 8 9 10 11 17 12 13 14 13a 15 26 16 22 20 23 19 24 25c 21 25a 25b 25d 18 30 30a 34 15b 1 1 1 1 2 3 3 3 3 5 4 6 6 7 A 35 HVLP two grooves Airspray no groove HVLP smaller ID Airspray and Compliant...

Page 19: ...e parts indicated in Fig 21 with lubricant 16232 This item is not included with gun Disassembling the gun 1 Relieve the pressure 2 Flush the spray gun page 6 3 Remove the air cap retaining ring 15 and air cap 14 Remove and replace the seal 15B The U cup lips must face towards the air cap See Fig 22 Fig 22 12 15B 28 TI3616C 14 15 4 Trigger the gun while you remove the fluid nozzle 12 with the gun t...

Page 20: ...g 2a to plug the end Install one end of the o ring into the groove in the housing then press the rest of the o ring into place 4 Unscrew the packing screw 8 from the adapter 4 with the gun tool 28 5 Using a mechanical pick push the three fluid packings 5 out of the adapter 4 Be careful not to damage the adapter Discard the old fluid pack ings 6 Place the new fluid packings 5 and packing screw 8 on...

Page 21: ... nut 25a Be careful not to damage the seal surface or the nut s internal threads 4 One at a time install the new u cup packings 25b with the packing installation tool 29 the u cup lips must face toward the tool as shown in Fig 28 5 Push each u cup packing 25b into the pattern adjustment nut 25a until a definite snap is felt 6 Lubricate the pattern adjustment valve 25c threads and install the valve...

Page 22: ...6 into the back of the gun until a definite snap is felt 5 Using a mechanical pick remove the u cup packing 20 and spacer 35 from the fluid valve nut 19 Be careful not to damage the seal surface or the nut s internal threads 6 Install a new u cup packing 20 with the packing installation tool 29 the u cup lips must face toward the tool as shown in Fig 28 This will help apply even pressure to the u ...

Page 23: ... 17 wave washer 18 and screw 11 Torque the screw to 20 30 in lb 2 3 3 4 N m 9 To avoid galling of the fluid nozzle in the spray housing 2a apply a thin film of lubricant to the back surface of the nozzle taper where it seats and also to the nozzle threads Trigger the gun while you install the fluid nozzle 12 with the gun tool 28 Tighten the nozzle securely to 40 in lb 4 5 N m to obtain a good seal...

Page 24: ...5 includes 25a 25d 29 28 TI3619F 1 4 2a 2b 5 8 9 10 11 17 12 13 14 13a 15 26 16 22 20 23 19 24 25c 21 25a 25b 25d 18 30 30a 34 15b 1 1 1 1 2 3 3 3 3 5 4 6 6 7 A 35 HVLP two grooves Airspray no groove HVLP smaller ID Airspray and Compliant 2 2 8 Compliant one groove ...

Page 25: ...d adjustment 1 22 SPRING air valve 1 23 SPRING needle 1 24 FITTING air inlet 1 25 PATTERN ADJUSTMENT VALVE ASSY Includes items 25a 25d 1 25a NUT pattern adjustment 1 25b U CUP 2 25c VALVE pattern adjust ment 1 25d RING retaining 1 26 AIR VALVE ASSY 1 28 TOOL gun 1 29 TOOL packing installation 1 30 16229 VALVE needle assy in cludes item 30a 1 30a GAUGE pressure 1 32 16232 LUBRICANT 1oz tube 1 33 16...

Page 26: ...ssembly 234292 Cup Assembly 5 1 6 2 4 3 7 Ref No Part No Description Qty 1 COLLAR locking 1 2 LID paint cup 1 3 STRAINER 200 micron 1 Ref No Part No Description Qty 4 LINER 1 5 CUP 1 6 FILM mix ratio optional 1 7 CAP sealing 1 ...

Page 27: ...d Compliant Maximum Compliant Inbound Air Pressure 29 psi 200 kPa 2 0 bar HVLP at 10 psi 70 kPa 0 7 bar max at air cap Air Consumption HVLP at 29 psi 200 kPa 2 0 bar 15 5 scfm Compliant at 29 psi 200 kPa 2 0 bar 11 2 scfm Airspray at 50 psi 345 kPa 3 4 bar 14 1 scfm Fluid and Air Operating Temperature Range 32 F to 109 F 0 C to 43 C Weight 22 3 oz 632 g Air Inlet 1 4 18 npsm Wetted Parts 304 and 3...

Page 28: ...te of parts and labor will be provided by 3M and must be approved by the purchaser in advance Except as written above 3M MAKES NO OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE The purchaser is responsible for determining whether the 3M Spray Gun is fit for any particular purpose intended The remedies set forth above are ex...

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