Bird Technologies 4314B - Manual (Page 34)

22
If there is evidence of contamination inside the line section, the reachable por-
tions should be cleaned and the interior carefully blown out.
Do not attempt to remove the RF center conductor under any circumstances.
Any attempt to do so will damage the assembly.
Inspection
Periodic inspections should be performed at six-month intervals.
•
Inspect the meter for a cracked meter glass.
•
Inspect wattmeter line section for a damaged or missing latch and pivot
pin assembly.
•
Inspect all “QC” connectors for bent, broken, or missing pins.
Troubleshooting
Due to its complexity, field repair of the Model 4314B Thruline Wattmeter is rec-
ommended only for certain malfunctions. Only those functions within the scope
of normal maintenance are listed.
If a malfunction is not listed or not corrected by the listed corrective actions,
notify a qualified service center for further instructions.
PROBLEM
POSSIBLE
CAUSE
CORRECTION
No meter
indication
(CW or
PEAK). No radio frequency Turn on transmitter.
Faulty RF section
assembly. Check transmitter operational conditions,
refer to operating instruction manual of
equipment used..
Check connections, interconnecting
cables, and auxiliary in-line equipment.
Arrow on element
pointing in wrong
direction Rotate element so that arrow points in
direction of RF power flow.
Meter burned out or
damaged Replace meter. See “Replacing the Meter”
on page 25.
No pick-up from dc
contact Clean line section and element.See
“Cleaning” on page 21.
Defective Plug-In
Element Check element. Replace element if
defective..