Graco 24E876, Инструкция по эксплуатации

Страница: 17 / 42

Maintenance
313536U 17
Clean and Service the Orifices
and Filters
NOTE: See Dispenser Models 257513, 257514,
257515 on page 28 for applicable part numbers.
1. Perform pressure relief procedure. See Pressure
Relief Procedure on page 15.
2. If your setup uses the optional shutoff valves,
rotate the handles to the “close” position.
3. Use a 7/16 in. wrench to remove the orifice.
4. Use a 1/8 in. allen key to remove the cleanout plug
next to the orifice.
5. Use a 1/4 in. allen key to remove the filter plug (A).
6. Remove the filter (D).
7. Use a pick to remove any hardened material from
filter.
8. Use solvent to flush residue from this side of the gun
block.
9. Use a pin vise and drill bit to carefully clean the ori-
fice.
10. Remove the orifice o-rings.
11. Use a pick to remove any hardened material from
the orifice body.
12. Flush the orifice body with solvent then dry the ori-
fice.
13. Install new o-rings on the orifice.
14. Install new filter.
15. Replace filter retainer o-ring if needed.
16. Apply grease to filter retainer threads then use a
1/4 in. allen key to install the filter retainer.
17. Apply grease to the o-ring plug threads.
18. Install o-rings then use a 1/8 in. allen key to install
cleanout plug next to the orifice.
19. Apply grease to orifice threads then install the orifice
assembly.
20. Repeat for opposite chemical side of gun.
Cross-contamination can result in cured material in
fluid lines which could cause serious injury or dam-
age equipment. To prevent cross-contamination of
the equipment’s wetted parts,
never interchange
component A (isocyanate) and component B (resin)
parts.
F
IG
. 17:
Key:
A Filter Plug
B Filter Plug O-Ring
C Filter O-Ring
D Filter
E Orifice O-Rings
F Orifice
G Grease Port Plug
H Cleanout Plug
J Cleanout Plug O-Ring
K Plug
L Plug O-Ring
A
B
C
D
E
F
G
J
H
B Side
A Side
K
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L
H