Setup; Pressure Relief Procedure; Gun Trigger Lock - Graco Contractor Instructions And Parts

Setup

Pressure Relief Procedure

Follow the Pressure Relief
Procedure whenever you see this
symbol.
This equipment stays pressurized until
pressure is manually relieved. To help
prevent serious injury from pressurized
fluid, such as skin injection or splashed
fluid, follow the Pressure Relief
Procedure whenever sprayer is stopped
and before sprayer is cleaned or checked,
and before equipment is serviced.
1. Turn sprayer OFF.
2. Engage the trigger lock. Always
engage the trigger lock when
sprayer is stopped to prevent the
gun from being triggered acciden-
tally.
3. Turn pressure control knob to low-
est setting.
4. Put drain tube into a waste pail and
turn Prime/Spray valve in PRIME
position (drain) to relieve pressure.
5. Hold the gun firmly to a pail. Point
gun into pail. Disengage the trigger
lock and trigger the gun to relieve
pressure.
311861R
6. Engage the trigger lock.
7. If you suspect the spray tip or hose
is clogged or that pressure has not
been fully relieved:
a. VERY SLOWLY loosen the tip
guard retaining nut or the hose
end coupling to relieve pressure
gradually.
b. Loosen the nut or coupling
completely.
c. Clear airless hose or spray tip
obstruction. See Clear Spray
Tip Clog, page 9.

Gun Trigger Lock

To prevent injury when the gun is not in
use, always engage the gun's trigger lock
if unit is being shut down or left
unattended.
Setup
7