Bacharach PCA 2 24-9448, Operating & Maintenance Instructions

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Instruction 24-9448 6-12
Maintenance
3. Pull old thermocouple from probe body and dscard.
4. The new thermocouple has been coled for shppng purposes.
Straghten the thermocouple usng your thumb and ndex fnger.
5. If not already done, nstall suppled O-Rngs onto thermocouple.
6. Insert thermocouple nto probe body untl t “bottoms out.”
7. Strp
1
/
4
nch of nsulaton from each of the probe’s thermocouple
connector wres.
IMPORTANT:
In Step 8, the thermocouple wires must first be
twisted together and then crimped.
8. Twist both red thermocouple wres together; nsert them nto the sup-
pled wre-splce connector; and then crmp the connector usng a par
of plers. Repeat ths step for the yellow thermocouple wres.
9. Reassemble the probe handle, beng careful not to pnch the thermo-
couple wres between the handle peces. In addton, ensure that the
end of the thermocouple s n front of the rb molded nto the bottom
handle pece; otherwse, the handle peces wll not ft tghtly together.
Figure 6-7. Thermocouple Installation and Wiring
O-Rings
Thermocouple Assembly
Ensure end of Thermocouple is
in front of plastic rib in handle
Wire-Splice Connectors
Red and Yellow
Thermocouple Wires
Cut away view of Thermocouple
inserted into Probe Body
When reassembling probe
handle, ensure that the thermo-
couple wires do not become
pinched around screw hole or
edge of handle