Nordson FP-200 - Overview; Replacing the RTD

Repair
7-2
Part 237478_03
E 2012 Nordson Corporation
Overview
This section contains instructions for replacing FP‐200 gun components,
including the RTD, heater cartridges, module, service block, and air valve.
Modules can be rebuilt using a kit. Rebuilding instructions are provided with
the module rebuilding kits. Refer to Section8, Parts, for module rebuilding kit
part numbers.
Replacing the RTD
Use this procedure to replace an FP‐200 gun RTD. The FP‐200 gun RTD is
mounted on the service block.
WARNING: Risk of burns. System or material pressurized. Airtrapped in
the hose or gun can spit out molten adhesive that can cause severe burns.
Failure to relieve hydraulic pressure can result in serious burns. Relieve
pressure.
1. Relieve hydraulic pressure (refer to the Relieving Hydraulic Pressure
procedure in Section3, Installation).
2. Move the applicator circuit breaker to the OFF position, then disconnect
and lock out input electrical power to the applicator.
Figure 7‐1 Typical Applicator
Circuit Breaker
Figure 7‐2 Typical Facility Circuit
Breaker
3. Disconnect the gun‐to‐hose electrical connection.