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312933D 3
Pressure Relief Procedure
1. Turn power switch to OFF.
2. Unplug sprayer.
3. Turn knob (A) down to PRIME/DRAIN.
4. Hold metal part of gun firmly to a grounded metal
pail. Pull gun trigger to relieve pressure.
Instructions
1. Turn knob (A) up to SPRAY position.
2. Remove pin (B) with pin punch and hammer.
3. Remove knob (A) and base (C).
4. Remove valve stem (D) from manifold. Be sure gas-
ket (X) and seat (Z) do not stay in manifold.
5. Replace brown o-ring (6) on end of valve stem.
Apply sealant (7) to valve threads. Install valve stem
in pump manifold. Torque to 185 in-lb (21 N•m).
6. Install base (C) on valve, aligning pin (E) on base
(C) with hole (F) on manifold.
7. Rotate valve stem with a pin punch until hole is per-
pendicular.
8. Install knob (A) over base (C).
9. Place knob in SPRAY position.
10. Insert end of pin punch through hole in knob (A), to
make sure knob and valve stem are aligned.
11. Install pin (B) through hole in knob (A). Tap pin
through knob with hammer. End of pin will be flush
with top of hole in knob when correctly installed.
To help prevent injection injuries, follow this procedure
when you stop spraying and before you service or
clean the sprayer, remove parts, or repair leaks.
B
A
A
B
C
D
X
Z
C
E
F
A