Graco ProMix 239735, Instructions-Parts List Manual

Page: 35 / 44

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Service
Removing and Installing the Mix Manifold
1. Relieve the pressure as instructed on page 17.
2. Turn off the power to the control (air and/or electri-
cal).
3. Remove the front cover (2). See Fig. 12.
4. Disconnect the three fluid lines from the check
valves (13). See Fig. 14.
5. Loosen the four screws (21), and slide out the fluid
panel (4). See Fig. 14 and 15.
6. Unscrew the nut (AE) to disconnect the static
mixer (81) from the integrator housing (AF). See
Fig. 16.
7. Unscrew the screw (87) from the plate (84) and
move the plate out of the way.
8. Unscrew the integrator housing (AF).
9. Unscrew the integrator tube (AG).
10. Remove the ratio check valves (AH).
11. Disconnect the three fluid lines (A, B, S) and air
purge line (P). See Fig. 17.
12. Disconnect the air lines (c–k).
13. Unscrew the four screws (68) from the bottom of
the plate (4), and slide out the mix manifold (67).
See Fig. 16.
14. Repair the manifold as instructed in the separate
mix manifold manual.
15. Place the mix manifold (67) on the plate (4), and
secure it with the screws (68).
16. Connect the air lines and fluid lines. Refer to
Fig. 17.
Continued on the next page.
Fig. 16
AE
81
AF
AG
AH
84
67
7496A
68
4
87
86
85
9
Fig. 17
A
B
S
P
KEY
A Component A Fluid Line
B Component B Fluid Line
P Air Purge Line
S Solvent Purge Line
c Solvent Purge OFF Air
Pilot Line
(black)
d Solvent Purge ON Air
Pilot Line
(red)
e Component B OFF Air
Pilot Line
(black)
f Component B ON Air Pilot
Line
(red)
g Air Purge OFF Air Pilot
Line
(yellow)
h Air Purge ON Air Pilot
Line (blue)
i Component A OFF Air
Pilot Line (yellow)
k Component A ON Air Pilot
Line
(blue)
i
k
h
g
c
d
e
f