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JET   

 

Setup and Assembly 

Any missing parts or damage should be reported 
immediately to your JET

®

 distributor. Do not use a 

damaged tool. Read this instruction manual 
thoroughly for operation, maintenance and safety 
instructions. 

Box contents: 

1 Spray 

gun 

Gravity feed cup, 600cc 

1 Nylon 

strainer 

 

1 Spanner 
1 Bristle 

brush 

Operation and parts manual  

1 Warranty 

card 

Operation 

1.  Blow out air line to remove any dirt or 

moisture, then connect air supply hose to 
tool’s air inlet.  

IMPORTANT:

 Connecting a quick-change 

coupling directly to the tool is not 
recommended, as vibration may cause the 
connection to fail. Instead, add a leader hose 
and install any quick-change couplings 
farther down the line. 

2. 

Unscrew cup lid and add fluid to be sprayed. 
(Follow paint manufacturer’s instructions for 
proper mixing.) 

3. 

Set regulator to desired air pressure. (Refer 
to gun’s rated maximum pressure). 

4. 

Loosen air cap knurled ring and rotate air cap 
horns to effect horizontal or vertical spray. 
Retighten air cap.  

Horizontal horns (as shown in Figure 1) will 
produce vertical pattern for side-to-side 
motion. Vertical horns produce horizontal 
pattern used for top-to-bottom motion.  

5. 

Squeezing trigger part way opens air valve. 
Squeezing further retracts fluid needle, thus 
releasing fluid where it is atomized by the air 
flowing through air cap.  

6.  Rotate fluid control knob clockwise to 

decrease flow of material, counterclockwise 
to increase. 

7. 

Rotate fan control knob counterclockwise for 
full, flat spray pattern; clockwise for narrower 
pattern.  

NOTE: To reduce overspray and obtain maximum 
efficiency, always spray with the lowest possible 
air pressure/fluid flow combination. 

 

Figure 1 

Spray gun movement 

The gun should be held perpendicular to surface 
being covered, and moved parallel with it at a 
consistent pace. See Figure 2. The stroke should 
be started before the trigger is pulled, and the 
trigger released before the stroke is ended. 
Distance between gun and surface should be 6 to 
12 inches depending upon material and atomizing 
pressure. 

Deposited material should be even and wet. Lap 
each stroke over the preceding stroke from 1/3 to 
1/2, to obtain a uniform finish. 

 

Summary of Contents for JAT-500

Page 1: ...Pneumatic HVLP Spray Gun 505500 JAT 500 Operation Parts Manual M 505500 Edition 2 10 2015 JET 427 New Sanford Road LaVergne TN 37086 Ph 800 274 6848 www jettools com Copyright 2015 JET...

Page 2: ...ded JET has Authorized Service Centers located throughout the United States For the name of an Authorized Service Center in your area call 1 800 274 6846 or use the Service Center Locator on the JET w...

Page 3: ...romium from chemically treated lumber Your risk of exposure varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work wi...

Page 4: ...particles caught in the air stream Exercise proper caution 30 Use only recommended accessories improper accessories may be hazardous 31 Maintain tools with care Keep air tool clean and oiled for best...

Page 5: ...his document The instructions and warnings in this manual may not encompass all possible workplace environments The operator is expected to take appropriate precautions and exercise common sense As wi...

Page 6: ...y material Die casting Fluid tip and needle material Stainless steel Net weight gun body 1 01 lb 0 46 kg Net weight accessories 0 59 lb 0 27 kg Shipping weight 2 05 lb 0 93 kg 1 The specified values a...

Page 7: ...y Retighten air cap Horizontal horns as shown in Figure 1 will produce vertical pattern for side to side motion Vertical horns produce horizontal pattern used for top to bottom motion 5 Squeezing trig...

Page 8: ...n 4 Use solvent and the provided brush to remove any deposits around fluid nozzle 5 For more detailed cleaning use provided spanner to remove fluid control knob fluid nozzle and needle in that order C...

Page 9: ...r intake with a replaceable air filter that can be easily cleaned Use safety shut off valves so air flow can be stopped quickly in case of a line break When using multiple hoses air hoses should be la...

Page 10: ...acement is necessary Pressure too high for material viscosity being sprayed Reduce air pressure Increase material viscosity Pattern may also be corrected by narrowing fan size with spray width adjuste...

Page 11: ...icular to work surface Spray nozzle applications Below are general applications for accessory nozzles available for this spray gun This is only a general guide consult the fluid material manufacturer...

Page 12: ...12 JAT 500 HVLP Spray Gun 505500 JAT 500 HVLP Spray Gun exploded view...

Page 13: ...ssembly 1 18 JAT500 18 Fan control knob 1 19 JAT500 19 Screw M4x8 1 20 JAT500 20 Air inlet 1 4in PS 1 21 JAT500 21 Air regulator assembly 1 22 JAT500 22 Pivot pin 1 23 JAT500 23 Pin with hole 1 24 JAT...

Page 14: ...14 JAT 500 HVLP Spray Gun This page intentionally left blank...

Page 15: ...JET 15 This page intentionally left blank...

Page 16: ...16 JAT 500 HVLP Spray Gun 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com...

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