Graco 204490 Manual De Usuario

Low flow or air sucked into pump or 
under inductor plate.

1.

Open inductor plate vent

2.

Loose inductor plate sleeve lock-
ing nut

3.

Worn inductor seals

1.

Close the inductor plate.

2.

Tighten the locking nuts.

3.

Replace seals; See Parts Draw-
ing Page 16.

Failure of snap-valve or air-assist 
valve

Worn o-rings or seals

Remove valve, place in vise, disas-
semble and replace parts as 
needed.