Graco Pro Xp 60 WB Instructions Manual page 54

Repair
Reassemble Reassemble the Reassemble the the Packing Packing Rod Packing
Before installing the fluid packing rod into the gun
barrel, make sure the internal surfaces of the barrel
are clean. Remove any residue with a soft brush or
cloth. Check the inside of the barrel for marks from
high voltage arcing. If marks are present, replace
the barrel.
1. Place the packing nut (2f) and seal (2b‡) on the
fluid rod (2e). Flats on the packing nut must face
the back of the fluid rod. The seal o-ring must
face away from the packing nut.
2. Fill the inner cavity of the spacer (2h‡) with
dielectric grease (44). Place the spacer on the
fluid rod (2e) in the direction shown. Generously
apply dielectric grease to the outside of the
spacer.
3. Place the fluid packing (2c‡) on the packing rod
(2e) with its lips facing the front of the rod. Install
the needle packing (2d‡) with the male end
toward the fluid packing, then install the housing
(2g) .
Figure 28 Packing Rod
54
Rod Rod
4. Lightly tighten the packing nut (2f). The packing
nut is properly tightened when there is 3 lb (13.3
N) of drag force when sliding the packing housing
(2g) assembly along the rod. Tighten or loosen
the packing nut as needed.
5. Install the o-ring (2a‡) on the outside of housing
(2g). Lubricate the o-ring with non-silicone
grease, Part No. 111265. Do not over-lubricate.
6. Install the spring (17) against the nut (2j) as
shown.
7. Install the packing rod assembly (2) into the
gun barrel. Using the multi-tool (41), tighten the
assembly until just snug.
8. Install the electrode.
Electrode Replacement, page
9. Install the nozzle and air cap. See
Air Cap and Nozzle Replacement, page
steps 5–7.
10. Install the trigger (12) and screws (13).
See
52, step 4.
49,
3A7504A