Disassembly
7-16
TCPA300/400 Amplifiers and TCP300/400 Series Current Probes Instruction Manual
Replace the current transformer of the probe as follows:
1. Gently lift the front edge of the circuit board and transformer enough to clear
the probe body. Refer to Figure 7--13.
2. Pull the transformer socket straight off the circuit board pins.
Current
transformer
Circuit board
Body half
Figure 7- 13: Removing the current transformer
3. Before reassembling the probe, be sure that the gap between the stationary
and moveable core pieces is clean. If necessary, use isopropyl alcohol or a
similar cleaning agent to clean the pieces. Also, clean the contacts of the
slide switch, if necessary. If the plastic slide assembly requires lubrication,
sparingly apply silicone-based grease to the parts.
4. Probe reassembly is the reverse of steps 1 through 2 of this procedure and
steps 1 through 5 on pages 7--14 through 7--15.
NOTE. Exercise care when fitting the slide back into the probe body; aligning the
switch contacts can require patience.
Replacing the Current
Transformer
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