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Operation
10 3A0149E
Operation
Be sure to read and follow the Warnings on pages 4
and 5 and throughout the text of this instruction manual.
Keep the wallet sized warning card (222385), provided
with the gun, with the operator of this equipment at all
times. The card contains important treatment informa-
tion should a skin injection injury occur. Additional cards
are available at no charge from Graco.
Pressure Relief Procedure
To reduce the risk of an injury from injection, splashing
fluid, or moving parts, follow the Pressure Relief Proce-
dure whenever you:
• are instructed to relieve the pressure,
• stop spraying,
• check or service any of the system equipment,
or install or clean the spray tip.
1. Engage the trigger lock. See F
IG. 12.
2. Shut off the pump. See your pump manual.
3. Shut off the gun air supply.
4. Disengage the trigger lock. See F
IG. 12.
5. Hold a metal part of the gun firmly to a grounded
metal pail. Trigger the gun to relieve pressure. See
F
IG. 11.
6. Open all fluid drain valves in the system, having a
waste container ready to catch drainage. Leave
drain valve(s) open until you are ready to spray
again.
7. Engage the trigger lock. See F
IG. 12.
8. If you suspect the spray tip or hose is clogged or
that pressure has not been fully relieved after follow-
ing the steps above, VERY SLOWLY loosen the tip
guard retaining ring or hose end coupling to relieve
pressure gradually, then loosen completely. Clear
hose or tip obstruction.
Trigger Lock
Always engage the trigger lock when you stop spraying
to prevent the gun from being triggered accidentally by
hand or if dropped or bumped.
Trapped air can cause the pump to cycle unexpect-
edly, which could result in serious injury from splash-
ing or moving parts.
FIG. 11
F
IG. 12
TI6555A
TI6581A TI6582A
ENGAGED
DISENGAGED