Color-On-Demand Controller And Control Panel Repair; Manifold Repair; Repair Procedure - Nordson Encore HD Powder Spray System with Prodigy Color-on-Demand Customer Product Manual

6-4
Repair

Color-on-Demand Controller and Control Panel Repair

Manifold Repair

Part 1605396-04
WARNING: Allow only qualified personnel to perform the following tasks.
Follow the safety instructions in this document and all other related
documentation.
WARNING: Before making repairs to any component of the system,
disconnect and lockout power at the system disconnect. Shut off the
system air supply at the ball valve on the pump panel and relieve the
system air pressure.
Repair of the Color-on-Demand controller and color control panel is limited
to replacement of components. Refer to to the foldouts in the back for
pneumatic and electrical diagrams.
The color change manifold consists of three identical valve modules
connected together with tubing and mounted on a V-shaped panel.
Repair of the manifold modules consists of disassembly, cleaning, and
reassembly. The following kits are available for repair:
S
Bladder Kit: 10 valve bladders and filter discs
S
O-ring Kit: 12 O-rings for tubing connections

Repair Procedure

See Figure 6-2.
1. Disconnect the air tubing from the elbow fittings (1).
2. Unscrew the side lock knobs (8) and pull the powder tubing out of the
ports.
3. Unscrew the top and bottom lock knobs.
4. Remove the fasteners securing the module bracket to the panel. Save
the fasteners for reuse.
5. Lift the module away from the panel and move it to a clean workbench.
6. Unscrew the nut (5) securing the ground jumper (7) to the bracket stud.
Remove the nut, lock washer (6), and flat washer (4).
7. Remove the 16 socket screws (2) securing the cover (17) to the
manifold and lift the cover off the manifold.
8. Remove the filter discs, valve bladders, and bladder supports (10, 11,
12) from the manifold.
9. Remove the bladder supports from the valve bladders.
10. Blow out the manifold, cover, and bladder supports. Make sure all
traces of powder have been removed.
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