![Binks AA-4000-000-10HP [5/8] Caution](/img/pdf.png)
Binks AA-4000-000-10HP [5/8] Caution
![Binks AA-4000-000-10HP [5/8] Caution](/views2/1547994/page5/bg5.png)
5
PROBLEM CAUSE ACTION
Fluttering Spray Pattern Insufficient fluid supply. Adjust fluid regulator or fill fluid supply
tanks.
Air in paint supply line. Check and tighten pump siphon hose
connections, bleed air from paint line.
Attempting to “feather” (Partially Cannot feather with an AA4000 gun.
trigger gun).
Striping Spray – Fingers Carbide tip partially plugged. Clean or replace carbide tip assembly.
Irregular Pattern Fluid builds up on carbide tip, or tip Clean carbide tip.
partially plugged.
On defective side of pattern, air horn Clean air horn holes with solvent and
holes are plugged. a soft brush.
Pattern pushed to one side, same On defective side of pattern, air horn Clean air horn holes with solvent and
side of air cap gets dirty holes are plugged. a soft brush or toothpick.
SPRAY PATTERN TROUBLESHOOTING
AIR-ASSISTED AIRLESS SPRAY GUN MAINTENANCE AND CLEANING
Maintenance of air-assisted airless spray guns includes
(1) fluid tip wear and replacement; (2) lubrication; and
(3) cleaning of the gun.
FLUID TIP
Operating an air-assisted airless spray gun with a worn
fluid tip will result in increased usage of spraying materi-
al and therefore, HAP emissions. For example, an
increase in the diameter of a tip from 0.015 inch to 0.021
inch due to wear can result in up to a 100 percent
increase in material consumption and cost. To prevent
waste in spraying material and non-value-adding costs, a
maintenance schedule that includes fluid tip inspection
and replacement must be established.
LUBRICATION
Proper lubrication is essential for optimum spray gun per-
formance. Lubrication allows the equipment to operate
easily and correctly. The spray gun should be lubricated
after each cleaning. The points that need lubrication dur-
ing the maintenance of air-assisted airless spray guns
include (1) the fluid needle packing; (2) trigger pivot
point. Gun lube is used to lubricate the fluid needle pack-
ing and trigger pivot point.
CLEANING
The following steps summarize the procedure for clean-
ing air-assisted airless spray guns:
1. Turn off the atomizing air supply to the gun.
2. Turn off air supply to the pump and relieve fluid
pressure. This may be accomplished by opening the
bypass/priming valve, if so equipped.
3. Place the siphon (suction) tube into a solvent con-
tainer. If pump is directly immersed in material,
remove the pump and immerse it in a solvent con-
tainer.
4. Place the gun trigger safety switch in the locked
position.
5. Remove the fluid tip and place it in a closed solvent
container.
6. Adjust the pump air supply regulator to its lowest
level (counter-clockwise).
7. Place the gun trigger safety switch in the unlocked
position.
8. Turn on the air supply to the pump and close the
bypass/priming valve, if so equipped.
9. Slowly adjust the pump air supply regulator until the
pump begins to cycle.
10. Trigger the gun into a closed container until the fluid
runs clear. (continued)
CAUTION
Never immerse the entire gun in solvent or thinners. Some
gun parts will lose their lubricative film and wear more
quickly. Additionally, solvents may carry impurities
throughout the gun body and allow them to clog small air
and fluid passages.
!
NOTE
Use only compatible solvents that are identified as
approved for cleaning and wash-off use.
NOTE
During cleaning, the gun may only be sprayed into a closed
container, never flush the gun into the air or spray booth.
WARNING
Failure to reduce pump air supply pressure or to use a
closed container can result in material “bounce-back”.
Material “bounce back” can cause injury and damage.
!
Содержание
- Aa4000 air assisted airless spray gun 1
- Ii 2 g x 1
- In the aa4000 spray gun the paint or other material to be sprayed is preatom ized and forced through the carbide tip by the typical 1 500 3 800 psi fluid pressure with capabilities up to 4 000 psi 275 bar as a result of the preatom izing the final shaping air supplied by the air cap produces an exceptionally fine and even spray pattern the result of this spray pattern is an even finish that lends itself to products that need an exceptionally fine finish with reduced overspray and voc emissions 1
- Specifications 1
- The following instructions provide the necessary information for the proper operation and preventive maintenance of the binks aa4000 air assisted airless spray gun please read and understand all information in this document in order to get the maximum performance from your new aa4000 spray gun 1
- Caution 2
- The spray gun models listed in the following declaration of conformity may be used in some potentially explosive atmospheres only when the special conditions for safe installation and operation have been followed as expressed in this user manual part sheet these models are approved to atex regulations 94 9 ec protection level ii 2 g x suitable for use in zones 1 and 2 2
- Warning 2
- Fluid hoses 3
- Fluid tip selection 3
- Spray gun set up 3
- Typical hook up 3
- Distorted pattern 4
- Figure 3 correct pattern 4
- General troubleshooting 4
- Hour glass 4
- If cleaning or replacing the fluid tip does not dissipate the tails the spraying defect is most likely due to the material temperature and or viscosity 5 if pattern pulsation or blinking occurs check the pres sure regulators all downstream regulators and the pump these may require further adjustment or even repairs 4
- Important regulatory note 4
- Problem cause action 4
- The following procedure summarizes the steps that an operator must immediately take when the first signs of a defective spray pattern emerge 1 check the external portion of the fluid tip for material buildup if buildup has occurred secure the gun trig ger safety switch and clean the gun fluid tip with a non metal soft brush 2 if the spray pattern exhibits signs of tails at the top or bottom ends of the pattern increase the air pressure gradually until the tails disappear 3 if increasing air pressure does not dissipate the tails the fluid tip may be worn and may need to be replaced another sign of the need to replace a worn tip is a gradual decline in spraying pattern width 4
- Troubleshooting defective spray patterns 4
- Air assisted airless spray gun maintenance and cleaning 5
- Caution 5
- Cleaning 5
- Fluid tip 5
- Lubrication 5
- Spray pattern troubleshooting 5
- Warning 5
- Air valve replacement 6
- Cleaning 6
- Clearly labeled as approved for cleaning and wash off operations if the operator has any question on selecting appropriate cleaning solvents the operator should consult a supervisor or plant environmental staff 6
- Continued 6
- Engage the trigger safety 2 shut off fluid pump and disconnect its air or power supply 3 release pressure from the entire fluid system from the pump to the spray gun 6
- Parts list 6
- Refer to assembly drawing on page 7 to locate numbered items 1 engage the trigger safety 2 shut off fluid pump and disconnect its air or power supply 3 release pressure from the entire fluid system from the pump to the spray gun 4 remove tip guard assembly 1 air cap 2 and spray tip 3 remove trigger 20 by removing the trigger stud 13 and the trigger screw 12 6
- Remove the aa4000 needle packing cartridge 8 6 carefully install new aa4000 needle packing cartridge 8 7 remove fluid seat 4 and o ring 8 install new fluid seat 4 and o ring 9 reinstall trigger 20 trigger stud 13 and trigger screw 12 10 reinstall air cap 2 spray tip 3 and tip guard assembly 1 6
- Remove trigger 20 by removing the trigger stud 13 and the trigger screw 12 5 remove air valve assembly 21 6 replace air valve assembly 21 7 reinstall trigger 20 trigger stud 13 and trigger screw 12 6
- Using a rag dampened with solvent wipe the exteri or surface of the gun additionally some solvents are prohibited from being used for cleaning the opera tor must take care to use only approved cleaning sol vents for equipment cleaning these materials are 6
- Wire and ball assembly and seat replacement 6
- Aa4000 air assisted airless spray gun 7
- Aa2 optional 54 4980 thin to medium materials 8
- Aa4 standard 54 4978 medium to hvy materials 8
- Accessories 8
- Air cap application chart 8
- Application chart 8
- Binks worldwide sales and service listing www binks com 8
- Cleaning kit 8
- Fittings 8
- Fluid filters 8
- Fluid regulators 8
- Fluid seat application chart 8
- How to order the aa 4000 air assisted airless spray gun 8
- Industrial finishing 8
- Repair kit 54 4993 8
- Replacement filters 8
- Spray tip selection charts 8
- Test gauges 54 4997 8
- Warranty 8
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