Graco 258864 Manual De Usuario

1.

Engage trigger lock and pull relief valve UP to 
release pressure.

2.

Remove material cup and suction tube.

3.

Hold sprayer upside-down and use wrench or 
socket to loosen and remove inlet fitting, inlet valve, 
and spring. 

NOTE: Make sure the spring also comes out. Use 
needle-nose pliers to remove if needed. Inlet cavity 
should be completely empty (as shown below).

4.

Clean as much excess material from pump cavity as 
possible. Make sure you also clean spring (a), o-ring 
(c), and top of inlet fitting (d).

NOTE: Before installing, make sure o-ring (c) is installed 
on inlet valve (b).

1.

Place inlet valve (b) with spring (a) on top of inlet fit-
ting (d). Push inlet fitting up into pump cavity. 

2.

Hold inlet in place and turn sprayer upside-down. 
Remove inlet fitting and visually check to see that 
inlet valve has seated correctly.

3.

Replace inlet fitting and use wrench and socket to 
tighten to 10 ft-lb. 

4.

Use your Fine-Finish Optimizer cleaning tool to 
lightly push on inlet valve to make sure it moves up 
and down freely.

ti14994a

ti14999a

ti15504

ti15505a

ti15530a

Do NOT over-tighten inlet fitting. Damage to the 
equipment will occur.

ti15502a

c

b

a

d