Bird Electronic 4314B, Operation Manual

Page: 36 / 48

Bird Technologies
24
Line Section Care
The RF connectors on the line section should also be protected against
the entry of dust and dirt by keeping them covered when the wattme-
ter is disconnected from the RF line.
If there is evidence of contamination inside the line section, the reach-
able portions should be cleaned and the interior carefully blown out.
Do not attempt to remove the RF center conductor under any circum-
stances. Any attempt to do so will damage the assembly.
Inspection
Periodic inspections should be performed at six-month intervals.
z
Inspect the meter for a cracked meter glass.
z
Inspect wattmeter line section for a damaged or missing latch
and pivot pin assembly.
z
Inspect all “QC” connectors for bent, broken, or missing pins.
Troubleshooting
Due to its complexity, field repair of the Model 4314B Thruline Watt-
meter is recommended only for certain malfunctions. Only those func-
tions 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 27.
No pick-up from dc
contact Clean line section and element.See
“Cleaning” on page 23.
Defective Plug-In
Element Check element. Replace element if
defective..