Repair
7-12
Part 237478_03
E 2012 Nordson Corporation
Installing the Replacement Service Block
1. Mount the new service block (refer to Section8, Parts, for service block
part numbers) onto the gun mounting plate using the split‐lock washers,
socket‐head screws, spacers, and the insulator.
2. Thread the cordset into the service block.
3. Use the terminal block to reconnect the heater cartridge and cordset
leads.
HEATER
RTD
HEATER
4
1
2
3
Figure 7‐13 RTD and Heater Cartridge Electrical Connections
4. Insert the heater cartridges into the heater cartridge bores.
5. Reconnect the ground wire to the service block.
6. Replace the RTD in the RTD mounting block and install the RTD
mounting block onto the service block, routing the RTD leads as shown in
Figure7‐4.