User manual

Service Information
Repairing the Probe
To make repairs
inside the probe body, disassemble the probe as described in the
previous section. If you need to solder on the circuit board, use a minimum of
heat and observe normal circuit board procedures.
If you need to replace the current transformer, replace the entire a ssembly
including the other half of the transformer core mounted in the slide switch. The
transformer halves are matched at the factory before shipment.
Repairing the Termination
Repairing the termination can consist of replacing either the connectors or the
circuit board. These tasks are described below.
Replacing the Connectors. To replace the connectors, follow these steps:
1. Insert a small screwdriver between the cover and the termination near the part
number, and gently pry up the plastic snap-on cover from the termination.
2. Using a heat sink, unsolder the leads f rom the defective connector.
3. Unscrew and remove the defective connector.
4. Replace the defective connector with the new one.
5. Screw
and solder the new connector back in place.
6. Align the switch with the slider in the front cover and replace the front cover.
Replacing the Circuit Board. To replace the circuit board, follow these steps:
1. Rem
ove the plastic snap-on c overs from the front and back of the termination.
2. Using a heat sink, unsolder the leads from the connectors.
3. Unscrew the two screws from the back of the circuit board.
4. Remove the circuit board from the termination and repair it as you require,
being careful to use a minimum of heat and observe normal circuit board
procedures.
5. Replace the circuit b oard by reversing the above procedure.
6. Align the switch with the slider in the front cover and replace the front cover.
P6022 Instruction Manual 27