Operation
312145K 9
Operation
1. Connect a grounded fluid hose.
2. Without spray tip attached, flush the pump. Use the
lowest pressure possible.
3. Prime. Refer to the sprayer manual.
4. Follow the Pressure Relief Procedure, page 6.
5. Install the spray tip and tip guard.
6. RAC tips only: In spray position, arrow on tip
cylinder (20c) faces forward.
7. Hold the gun perpendicular and approximately 12
inches (304 mm) from the surface. Wear gloves if
the fluid temperature exceeds 110°F (43°C).
8. Move the gun first, then pull the gun trigger to spray
onto test paper.
a. Adjust the fluid pressure until spray is
completely atomized.
b. If adjusting the pressure does not give a good
spray pattern, follow Pressure Relief
Procedure, page 6, then try another tip size.
9. Trigger the gun full-open or full-close.
Adjusting Spray Pattern
The spray tip orifice and spray angle determine pattern
coverage and size. When you need more coverage, use
a larger spray tip rather than increasing fluid pressure.
1. Follow the Pressure Relief Procedure, page 6.
Engage the trigger lock.
2. Loosen tip guard retaining nut.
3. Align the guard horizontally to spray a horizontal
pattern. Align guard vertically to spray a vertical
pattern.
4. Tighten the nut.
Cleaning Tips/Clearing Clogs
NOTE: Clean the tip guard at the end of each workday.
1. Follow the Pressure Relief Procedure, page 6.
Engage the trigger lock.
2. Clean the spray tip.
a. RAC tips: Rotate tip 180° so arrow on tip
cylinder (20c) faces backward. Disengage the
trigger lock. Trigger the gun into a pail or onto
the ground to remove clog. Engage the trigger
lock. Rotate tip 180° back to spray position.
b. Flat tips: Remove tip and clean with a
solvent-soaked brush.
3. If the RAC tip is still clogged:
a. Shut off sprayer and disconnect power source.
b. Open the fluid drain valve (see System
Requirements, page 7) to relieve pressure.
c. Remove and clean the spray tip.
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