Graco DV Series Instructions-Parts List Manual page 18

Dispense valves
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Repair
Assembly
1. Install new o-rings (118, 117) on the piston
(103) and in the air housing (102). See F
10.
2. Apply a thin coat of grease to the piston
o-ring (118) and inside wall of the air hous-
ing (102).
3. Place the top of the piston assembly (103)
on a surface smaller than the piston diame-
ter. Press the air housing (102) down over
the piston assembly.
F
. 11
IG
18
4. Install new o-ring (120) in the end cap
.
IG
5. Thread the travel adjuster (108) in the end
6. Apply grease on the piston rod and install
7. Wipe grease off the piston rod threads.
103
102
8. Install o-ring (119) onto air cap (104).
r_v1m350_3a0412a_71b
9. Install two new o-rings (115) inside the fluid
10. Install new o-ring (137) and reinstall plug
11. Install new o-ring (105a) and reinstall outlet
12. Follow Connect instructions, page 16.
(104). Apply with grease. See F
cap (104). Place second o-ring (120) over
travel adjuster threads and tighten with the
locknut (109) retaining ring (113) and o-ring
(120). See F
.
10.
IG
the u-cup cartridge (107) against the air
housing (102), with the open end of the
u-cups facing away from the air section.
See F
. 9.
IG
Apply purple anaerobic adhesive (supplied
with repair kit) on the male and female
threads, then install ball housing (106).
Torque to 40 ft-lbs (54 N•m). See F
NOTICE
To prevent the ball housing from loosening,
allow the anaerobic adhesive to set for 24
hours before running the valve.
Tighten air cap onto air housing (102).
Torque to 30 ft-lbs (41 N•m).
housing. Apply with grease. See F
(112).
fitting (105). Torque to 30 ft-lbs (41 N•m).
.
10.
IG
. 9.
IG
. 7.
IG
3A1792A

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