Graco Inc. 234032 - Manual (Page 14)

Repair
14 309523D
Test gun before using
4.
Release trigger; the gun should immediately stop
spraying and there should not be any leaks.
If there is a problem, follow Pressure Relief Pro-
cedure on page 6, engage trigger lock, and dis-
connect fluid hose.
Check through Assembly procedure and correct
problem.
4.
Lightly grease valve seat (2*) threads. Squeeze
trigger to retract needle and install gasket (12*)
and valve seat (2*). Torque valve seat to 26-32
ft-lbs (35-43 N•m).
5.
Grease and install spring (9) and cap (10). Tighten
cap to 10-13 ft-lbs (8-10 N•m).
If fluid inlet fitting (16) is removed, to reinstall,
apply sealant to threads and torque to 26-32 ft-lbs
(35-43 N•m).
1.
Engage trigger lock. Connect fluid hose to gun.
12*
T12181A
2*
9
10
T12180A T12180A
16
2.
Start and prime the pump.
3.
Disengage trigger lock and trigger gun into a waste
container for a short time.
5.
Install tip and tip guard before regular use.