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  • The Process

2.4.3 The Process

 

We're assuming that the vehicle has been properly treated and repaired, ready to be brought into the spray booth for refinishing. By following the steps below, you'll be containing and confining the greatest sources of contamination to outside of the final refinish area.

 

***OUTSIDE THE BOOTH***

 

1. Chemical wash the repair surface, outside the spray booth. Use only the highest-quality lint-free towels available.


2. Blow off with high pressure (100% of vehicle).

3. Paper and tape around repair area with 18” high quality masking paper.

4. Repeat the chemical wash procedure.

5. Blow-off with high pressure (100% of vehicle).

6. Tack repair area and 18" masking paper.

7. With spray booth operating in the paint mode, load vehicle, centered over grates front–to–back and side–to–side.

***INSIDE THE BOOTH***

8. Close all doors, blow-off vehicle and masking paper with 40 psi.

9. Tack six feet of compressed air hose closest to gun connection and place on hose rack.

10. Bag vehicle, placing the paper over the plastic bag and tape paper to plastic.

Paper or plastic cover should not extend more than 6 inches below the vehicle.
Never cover any wheel well 100%. Use throw-away or reusable wheel covers.


11. Observe spray booth balance gauge. Needle must be set at balanced to remove any airborne contamination during the spray mode.

12. Blow-off repair area and paper with 40 psi.

13. Chemical–wipe surface and paper with pre–saturated wipers for optimum surface conditioning prior to painting.

14. Tack repair area and masking paper with new OEM (or equal) tack rag.

15. Prepare and store enough base material in spray booth to complete the number of coats for proper coverage (only if mix room is not connected to spray booth).

16. Prior to first coat of base, blow off and tack the paint suit inside the booth away from the repair area.

17. In proper attire (a clean painter's suit), apply first base coat per paint manufacturer instructions.

18. Apply additional coats of base as required.

Blow-off (40 psi) and tack repair area and masking paper between each base coat.
After the last coat of base has been applied and properly dried, blow off (40 psi) and tack the surface with a new tack rag.


19. Prior to applying the first coat of clear, blow off and tack the painter's suit inside the booth away from the repair area.

20. Prepare and store enough clear material in spray booth to complete the number of coats for proper coverage (only if mix room is not connected to spray booth).

During this phase, never leave the spray booth enclosure.

21. In proper attire (a clean painter's suit), apply first clear coat per paint manufacturer instructions.

22. Apply additional coats of clear.

23. Allow the spray booth to flash at least three minutes before changing over to the cure cycle.

This flash of three minutes allows for the clear overspray to be removed from the cabin, providing a clean atmosphere for curing.

24. Allow the spray booth to cool down for a minimum of five minutes after the bake cycle before removing.

Remember, the spray booth must be operating in the spray cycle with only one set of entrance/exit doors open when unloading the vehicle.


 

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