Bird Technologies 8730 Series - Manual (Page 19)

Installation
7
Thermoswitch (8732A Only) (Optional)
Installing the Thermoswitch
Note: The 8732A, only, can be equipped with an optional interlock
thermoswitch, P/N 2450-095-x.
1. Stand the unit with the water connectors up to prevent spills.
2. Remove the water outlet connector.
3. Replace the connector with the thermoswitch.
4. Sparingly apply pipe sealing compound to the external threads, only, of
the thermoswitch.
5. Check for coolant leaks upon completion.
Connecting the Thermoswitch to the Interlock
1. Unscrew the large knurled ring-nut [A] at the lower end of the coupling
jack assembly.
2. Pull it off the thermoswitch jack [B].
3. Unscrew the small knurled cover fitting from the base plug [D] of the con-
nector to release the base.
4. Thread the control switch wires through the clamp [E] with the washers
[F] inside and its threaded fitting in place.
5. Use short tips on the wires and put spaghetti sleeves over the ends if necessary.
6. Solder the switch leads to the lugs [G] of the connector base.
Note: The ring-nut [A] must be in place over the base plug [G] with
the knurled end facing out.
7. Screw on the cover ring, then fasten the cable clamp [E] in place and
tighten both yoke screws [H].
8. Put the plug back on the thermoswitch and tighten the nut [A].
Figure 3 Thermoswitch Assembly
CAUTION
If installed, connect optional interlock before applying RF power.
CAUTION
Do not contaminate the coolant with pipe sealant.