Fluid Heating Reservoir Removal - Nordson NH-4 Customer Product Manual

Figure 9 Heater Reservoir Replacement
1. O-ring
2. Fluid passage body
3. O-ring
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Fluid Heating Reservoir Removal

1. Remove the thermostat. Refer to Thermostat Removal procedure.
2. Remove the heat limiter. Refer to Heat Limiter Removal procedure.
3. Remove the heater cartridge. Refer to Heater Cartridge Removal procedure.
4. See Figure 9. Disconnect the fluid inlet (8) and fluid outlet fittings (4). Remove the
O-rings (3, 7) from the fittings and discard them.
5. See Figure 8. Loosen the set screws (1) securing the fluid heating reservoir to the
electrical enclosure. Screws are visible when the enclosure cover is removed.
6. Rotate the fluid heating reservoir assembly counterclockwise to remove it from the
electrical enclosure.
9
4. Outlet fitting
5. O-ring
6. Retaining ring
NH-4 Heaters
1
2
3 4
5
6
7
8
7. O-ring
8. Inlet fitting
9. High-pressure housing
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