Disassembly
TCP303 and TCP
404XL
The following procedures explain how to disassemble the probe body and replace
the current transformer, the circuit board, and the cable assembly.
WARNING. Pr
obe disassembly must be performed by qualified service personnel
to avoid personal injury or loss o f life.
1. Unlock the
probe slide.
2. Place the probe on a flat surface with the screw heads facing up.
3. Using a
3
/
32
inch Allen wrench, remove the eight retaining screws from the
case.
4. While holding the squeeze handle and slide, lift the top part of the probe
body off.
5. Remove the slide.
WARNING. There is a spring in the squeeze handle that can pop out and cause
perso
nal injury unless care is exercised when disassembling the probe.
6. Lift the cable out of the probe handle and insert a pair of pliers in the handle
as sh
own.
Figure 34: Removing the handle
7. While maintaining a firm grip on the pliers, carefully lift the squeeze handle
and gear out of the probe. (See Figure 34.) (See Figure 35 on page 78.)
TCPA300/400 Amplifiers and TCP300/400 Series Current Probes Service Manual 77
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