7-24
Disassembly and Repair
Circuit breaker replacemenf
(continued)
13. Connect the hose electrical plugs to their connectors along the top of
the circuit board. Connect the plug labeled plug 1 to the connector
labeled Jl on the circuit board, plug 2 to connector J2, and so forth
until all plugs are connected.
Tank RTD replacement
14. Replace the electrical cabinet enclosure and secure it with the
captive screw on top of the cabinet.
15. Restore input electrical line voltage and resume operation.
1. Turn the main electrical switch OFF at the applicator and disconnect
input line voltage from the applicator.
+
63
WARNING: Shock hazard. Disconnect the applicator from
.
input electrical line voltage. Failure to disconnect line voltage
from the applicator may result in a serious electrical shock.
2. Remove the four screws that secure the panel of the hose connector
assembly to the base of the applicator.
3. Remove the cut-away part of the tank insulation. This cutaway part is
located directly behind the panel that was just removed.
NOTE: The cut-away insulation is still attached to the rest of the
insulation at the corners, but it can be easily pulled away. If a knife is
used to sever this connection, take care not to cut any of the wires
behind the insulation.
4. Remove the two screws that secure the RTD retainer plate to the
tank, then remove the plate (see Figure 7.53).
5. Disconnect the leads to the RTD at the terminals on the left side of
the 2-station porcelain connector. Pull terminals through the
fiberglass tubing that insulates the wire.
6. Thread the lead of the new RTD (P/N 937 283) through the fiberglass
tubing.
7. Place the new RTD in its slot in the tank. Put the retainer plate over it
and secure with the two screws previously removed.
Figure 7.53 -
Tank RTD Details:
1 TanWManifold Assembly
2 Two-Station Porcelain Connector
3 Porcelain Block Securing Screw
4 Retainer Plate Screw
5 RTD Retainer Plate
6 Tank RTD Sensor
7 Fiberglass Tubing/Insulation
PM 106 701A
41-2300SP - Issued 1,94
8 Nordson Corporation 1994
All Riahts Resewed
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