Operation; Pressure Relief Procedure - Graco MERKUR 309463N Instructions-Parts List Manual

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Operation

Operation

Pressure Relief Procedure

WARNING
Read the warnings on page 5, and follow the Pressure
Relief Procedure below whenever you:
are instructed to relieve pressure
stop spraying
check or service any of the equipment
install or clean the spray tip.
1. Lock the trigger.
2. Turn off the air bleed valves to the fluid source and
to the gun.
3. Unlock the trigger.
12
LOCK
UNLOCK
4. Trigger the gun into a grounded metal waste con-
tainer to relieve the fluid pressure.
5. Lock the trigger.
6. Open the drain valve on the fluid filter and all other
fluid drain valves in the system, having a waste con-
tainer ready to catch the drainage. Leave the drain
valve(s) open until you are ready to spray again.
7. If the nozzle or hose is completely clogged or pres-
sure is not fully relieved, slowly loosen the hose end
coupling. Now clear the nozzle or hose.
LOCK
OPEN
ti1298a
309463N

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