Common Procedures; Trigger Lock; Prime/Spray Valve; Pressure Relief Procedure - Graco 16N657 Operation - Repair - Parts

Common Procedures

Common Procedures

Trigger Lock

Always engage the trigger lock when you stop spraying
to prevent the sprayer from being triggered accidentally
by hand, or if dropped or bumped.
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Trigger Locked
Trigger Unlocked
(red ring is visible)

Prime/Spray Valve

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UP position
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(For priming and releasing
pump pressure)
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DOWN position
(Ready to spray)
Follow the Pressure Relief Procedure
whenever you see this symbol.

Pressure Relief Procedure

Do not operate or spray near children. Do not aim the
sprayer at, or spray any person or animal. Keep hands
and other body parts away from the discharge. For
example, do not try to stop the paint flow with any part
of the body.
This sprayer builds up an internal pressure of 2000 psi
(14 MPa, 138 bar) during use. Follow this Pressure
Relief Procedure whenever you stop spraying and
before cleaning, checking, servicing, or transporting
equipment to prevent serious injury.
1. Engage trigger lock.
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2. Put prime/spray valve UP to release pressure.
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