Spraying
3A9019A EN 21
Spray Techniques
Use a piece of scrap cardboard to practice
these basic spraying techniques before you
begin spraying the surface.
• Hold gun 12 in. (30 cm) from surface and
aim straight at surface. Tilting gun to
direct spray angle causes an uneven
finish.
• Flex wrist to keep gun pointed straight.
Fanning gun to direct spray at angle
causes uneven finish.
Trigger the Gun
Pull trigger after starting stroke. Release
trigger before end of stroke. Gun must be
moving when trigger is pulled and released.
Aim Gun
Aim center of spray of gun at bottom edge of
previous stroke, overlapping each stroke by
half.
Align Spray Pattern
1. Relieve pressure. Perform Pressure
Relief Procedure, page 15. Engage
trigger lock.
2. Align guard horizontally to spray a
horizontal pattern.
3. Align guard vertically to spray a vertical
pattern.
High-pressure spray is able to inject
toxins into the body and cause serious
bodily injury. Do not stop leaks with hand
or rag.
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