Graco 310643u Manual De Usuario

Follow the Pressure Relief Procedure whenever 
you see this symbol.

1. Engage trigger lock.

2. Turn ON/OFF switch to OFF. 

3. Unplug power cord.

4. Disengage trigger lock. Hold metal part of gun 

against grounded metal pail and trigger gun into pail 
to relieve pressure. 

5. Engage the trigger lock.

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. 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 tip 
guard retaining nut or hose end coupling to relieve 
pressure gradually, then loosen completely. Clear 
hose or tip obstruction.

Vise

12 in. adjustable, open-end wrench (2)

Hammer (20 oz maximum)

Small screwdriver

Throat Seal Liquid

Pick or long small screwdriver

Clean and inspect parts. Pay particular attention to the 
ball seats in the intake valve and piston, which must 
have no nicks or wear, and to the inside of the sleeve 
and the outside of the piston rod, which must not be 
worn or scratched. Replace worn or damaged parts.

NOTE: Remove and clean sleeve when repacking pump.

This equipment stays pressurized until pressure is 
manually relieved. To help prevent serious injury from 
pressurized fluid, such as skin injection, splashing 
fluid and moving parts, follow the Pressure Relief 
Procedure when you stop spraying and before 
cleaning, checking, or servicing the equipment.

248204, 255968

248212

253056

287825

248205, 249057, 249059, 
257146

248213

COMPONENT RUPTURE HAZARD
To reduce the risk of serious injury from pressurized 
fluid, never use sharp or pointed tools to remove 
sleeve. If the sleeve cannot be removed easily, return 
the sleeve and cylinder to a Graco distributor for 
removal.