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P R I N T E D C I R C U I T B O A R D
1. After removing the printed circuit board (PCB) bracket assembly
from the control enclosure, separate the PCB from the bracket by
cutting off the plastic spacers (see Figure 17).
2. Reinstall a new factory supplied PCB onto the mounting bracket
using new non-conducting spacers of the same length. Spacers are
supplied with a new PCB. Reinstall the control circuit ground wire
to the printed circuit board bracket (see Figure 8).
C O N T A C T O R
1. Loosen, but do not remove contactor mounting screws. Slide contactor
off mounting screws.
2. Replace with a factory supplied contactor of the same rating.
T R A N S F O R M E R
1. Replace with a factory supplied transformer of the same rating.
2. On the new transformer, select primary wires to match heater voltage.
Ensure that the correct transformer secondary lead is grounded (see
Figure 8). Individually terminate all unused wires using closed end
connectors.
F U S E
Replace fuse with one of the same type and rating as indicated on P.C.
Board or refer to parts list. An extra fuse should be stored in the clips
marked “SPARE”.
H E A T I N G E L E M E N T S
Heating elements are an integral part of the vacuum charged core. A factory
exchange core can be shipped immediately from stock. Refer to “Core”
section for details.
C A B I N E T P A N E L S
Bolt-on cabinet panels are individually replaceable.
FIGURE 16
FIGURE 15
FIGURE 14
FIGURE 17
1/16” to 3/16”
(1.6 to 4.8mm)
Summary of Contents for FX4 Series
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