Maintenance - Graco Low-Pressure Tank A Series Instructions-Parts List Manual

Cleaning the Tank
1. First follow the Pressure Relief Procedure on
page 5.
2. Follow the procedure below to force the fluid back
through the hose and into the tank:
a. Loosen the spray gun air cap retaining ring
about two turns.
b. Hold a rag over the air cap and trigger the gun
for a few seconds, until the fluid is forced back
into the tank.
3. Remove the tank cover.
4. Empty the fluid from the tank and pour a suitable
amount of solvent into it.
CAUTION
Be sure that the solvent you use is compatible with
the fluid being sprayed. Refer to the Technical Data
section on page 19.

Maintenance

5. Replace the tank cover and tighten the c–clamps.
6. Close the drain cock fitting (7).
7. Turn on the air supply.
8. Hold a metal part of the gun against a grounded
metal waste container and trigger the gun into the
waste container until clean solvent comes from the
gun.
9. Remove the solvent from the system and wipe the
inside of the tank and the rest of the equipment
clean with a solvent-dampened rag.
See separate instruction manual 308371 for
information on agitator maintenance.
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