Bird Technologies 8329-300 User Manual

Page 32

14. Screw the pipe plug or thermoswitch

back in place carefully to avoid strip-

ping the aluminum threads of the plug

hole.

15. Lower the attenuator back onto its

feet.

16. Check all seals for signs of leaks.

RF Load Resistor

To replace the load resistor follow the same procedure as in

the Replacing Coolant section. However, inspect the O-Ring

seals. Do not reuse the O-Rings if they are no longer soft

and pliable or shows signs of cracks. If the coolant removed

is not contaminated, it may be reused in the radiator tank

with additional new coolant as required. The RF section is

not field repairable and further disassembly should not be

attempted. Return the entire RF assembly to the factory for

repair or replacement.

Thermoswitch

To remove or replace the thermoswitch use the procedures

in the Thermoswitch paragraph in Chapter 3 - Installation.

Repairs

Any maintenance or service procedure beyond the scope of

those provided in this section should be referred to a quali-

fied service center.

Bird Model 8329-300 Tenuline Attenuator