PGC5007
PGC5007 Operating Instructions 5 Furnace repair
27 OI/PGC5007-EN, Rev C
The heater wires are flat conductors as opposed to the usual round conductors. The heater wires must be
kept flat (not twisted or turned) when inserting them between the terminal plates.
9. Connect the heater wires to the outside terminals as shown in Figure 5.4. Hold the terminal as you tighten the screw
holding the wire in place, to prevent damage to the terminal block.
10. Place the heat shield over the furnace housing.
11. Insert and tighten the four screws holding the internal heat shield in place.
5.4 Installing the furnace (vapor version)
1. Install the furnace and insert the screws to hold the furnace in place. Do not tighten the screws at this time.
2. Reconnect the right-side carrier lines to the furnace (see Figure 5.4) as follows, but do not tighten the connections:
a. Hold the piece disconnected earlier approximately in place.
b. Connect the 1/4-inch reverse tube nut at the top right, finger tight.
c. Connect the 5/16-inch line just outside the furnace, finger tight.
d. Connect the 9/16-inch line just above the elbow, finger tight.
3. Reconnect the left-side carrier lines to the furnace (see Figure 5.4) as follows, but do not tighten the connections:
a. Hold the piece disconnected earlier approximately in place.
b. Connect the 1/4-inch reverse tube nut at the top left, finger tight.
c. Connect the 5/16-inch line just outside the furnace, finger tight.
d. Connect the 9/16-inch line just above the elbow, finger tight.
4. Position the furnace so that the furnace tube is centered in the furnace end cap.
5. Tighten the screws holding the furnace.
6. On the right-side carrier line:
a. Use the ABB Tee Wrench to hold the elbow in place.
b. Tighten the 1/4-inch fitting.
c. Tighten the 5/16-inch fitting.
d. Tighten the 9/16-inch fitting.
7. On the left-side carrier line:
a. Use the ABB Tee Wrench to hold the elbow in place.
b. Tighten the 1/4-inch fitting.
c. Tighten the 5/16-inch fitting.
d. Tighten the 9/16-inch fitting.
The thermocouple wires are polarity sensitive. They must be re-connected to the same terminals from
which they were removed.
8. Connect the thermocouple wires to the inside terminals as shown in Figure 5.4. Hold the terminal as you tighten the
screws holding the wires in place, to prevent damage to the terminal block.
The heater wires are flat conductors as opposed to the usual round conductors. The heater wires must be
kept flat (not twisted or turned) when inserting them between the terminal plates.
9. Connect the heater wires to the outside terminals as shown in Figure 5.4. Hold the terminal as you tighten the screw
holding the wire in place, to prevent damage to the terminal block.
10. Place the heat shield over the furnace housing.
11. Insert and tighten the four screws holding the internal heat shield in place.
5.5 Removing the sulfur furnace tube
1. Remove the furnace cover as described in "Removing the Furnace Cover."
2. Remove the furnace from the explosion-proof housing as described in "Removing the Furnace."
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