Switchtip Installation; Spray; Clear Tip Clog - Graco Express 3900 Operation

SwitchTip Installation

SwitchTip Installation
1. Perform Pressure Relief Procedure, page 7.
2. Engage gun trigger lock. Insert SwitchTip. Insert
™
seat and OneSeal
C
B
3. Insert Switch Tip.
ti13024a
4. Screw assembly onto gun. Tighten.
ti2710a

Spray

1. Spray test pattern. Increase pressure to eliminate
heavy edges. Use smaller tip size if pressure adjust-
ment can not eliminate heavy edges.
ti13030a
10
.
A
ti13023a
2. Hold gun perpendicular, 10-12 in. (25-30 cm) from
surface. Spray back and forth. Overlap by 50%.
Trigger gun after moving and release before stop-
ping.

Clear Tip Clog

SKIN INJECTION HAZARD
Never point gun at your hand or into a rag!
1. Release trigger, engage trigger lock. Rotate Switch
Tip. Disengage trigger lock. Trigger gun to clear
clog.
2. Engage trigger lock. Return Switch Tip to original
position. Disengage trigger lock and continue spray-
ing.
ti13025a
ti23887a
ti23888a
334121B