Barrel Installation - Graco PRO AA5500SC Instruction Manual

Barrel Installation

1. Be sure the gaskets (11, 27a) and spring (20) are
in place. See Fig. 45. Replace the parts if they are
damaged.
2. Place the barrel (26) over the power supply (27)
and onto the gun body (29). Make sure the fluid
needle spring (20) is seated properly.
3. Pressing the barrel and handle together, tighten
the three screws (24) oppositely and evenly to 18
in-lbs (2 NSm) maximum (about a half turn past
snug), using the ball end wrench (77); do not
over-tighten.
CAUTION
To avoid damaging the gun, do not over-tighten the
screws (24).


Tighten the screws (24) to 18 in-lbs (2 NSm) maximum (about
half turn past snug), using the wrench (77) provided.
26
Fig. 45
40 308387
Service
27
11


24
D
4. Make sure the fluid filter (4) is in place, then
tighten the bottom fluid tube nut (C) onto the fluid
fitting (3); make sure the top fluid tube nut (D)
remains tightened.
5. Install and adjust the actuator arm (19) and jam
nut (8) onto the piston rod (23g) as instructed on
page 35.
6. Install the shroud (2), spray tip (13), air cap (15),
tip guard (12), and retaining nut (1) as instructed
on page 32. Tighten the retaining nut firmly.
7. Test the gun resistance as instructed on page 28.
8. Install the gun onto the manifold and bracket as
instructed on page 41.
29
27a
19
20
C
8
3
17
23g
4
03240