Operating Instructions
Vehicle
Page4-22
Crestline
Manual
3/15/2010
Coach
2EtchPrimer: Preparation,Mixing andApplicationProceduresof EtchPrimer
2AClean
With anAir BlowGun clean entire panel, tack off and followwithDX436
Wax&GreaseRemover.
Refer toProduct BulletinFL-100 for information
Proper cleaning procedures is very important. Use the following steps:
- Use only cleannew rags
- Change rags as often as needed
- Never let theOX436 air dryon theunit
2BFinal Inspection
Inspect thearea to beprimed for imperfections. If any are found, repair them or have the
body department repair themwith polyester glazing putty. (See procedure 1J for proper
application).
2CMixEtchPrimer
PPGF3963EtchPrimer 1 part (F3963) with 1 part (F3964Catalyst)
Refer toProduct BulletinOFT-030 for information
Thoroughly shakeF3963before installing a agitator
Stir the2 componentmixture thoroughly..
2DApply
Set air pressure at 35-40PSI at thegunapply 1 "see through" coat onALLbaremetal 1.4
- 1..6mmFluidTip
Do no coat over plastic filler. If etchprimer drifts over edges
of
body filler,
a
minimal
coat is acceptable
2EPot Life
24 hours at 70°F
Pot life is defined aswhen a "Product Doubles inViscosity".
The product may be sprayable, but has diminished properties.
2FDryTimes
AllowF3963EtchPrimer todry for 30minutes before applying primer surfacer, but
NO longer that 72 hours or F3963must be sanded& recoated
This is the foundation for the entireprimingandpainting process. If proper dry times are
not followed, the rest
of
the systemwill begin to show signs
of
swelling and sand
scratcheswill appear.
2GDryFilmBuild
Dry film build of F3963 primermust beaminimum 0.6mils and amaximum0.9mils
