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Grounding
310649C 7
Grounding
Check your local electrical code and proportioner man-
ual for detailed grounding instructions.
Ground the spray gun through connection to a
Graco-approved grounded fluid supply hose.
Piston Safety Lock
Engage piston safety lock whenever you stop spray-
ing, to avoid accidental triggering.
Turning Air Cap
Loss of Air Pressure
In event of loss of air pressure, gun will continue to
spray. To shut off gun, do one of the following:
• Push in piston safety lock, see page 10.
• Close fluid valves A and B.
To engage piston safety lock: push knob in and turn
clockwise. If engaged, gun will not actuate.
To disengage piston safety lock: push knob in and
turn counterclockwise until it pops out. There will be a
gap between knob and gun body.
TI2409A
Engaged
TI2410A
Disengaged
1. Follow Pressure Relief Procedure, page 15.
2. Close fluid valves A and B before turning air cap
(C).
TI2421A
C
B
A
TI2421A
C
B
A