Bird Electronic 4314B, Operation Manual

Page: 39 / 48

Maintenance
27
Replacing the Meter
1. Remove the back cover by unscrewing the four 8-32 Phillips flat
head screws.
Note:
The screws are located two on each side of the meter
housing near the back edge at the top and bottom of the sides.
2. Loosen the two 8-32 nuts securing the meter leads
3. Remove the meter leads.
4. Remove the two 10-32 oval head Phillips screws securing the
meter shock ring.
5. Pull the meter and shock ring assembly out of the housing from
the back.
Note:
If the three rubber shock mount buttons, P/N 4420-
098, that the meter rests on are to be reused, be careful not to
lose them. However, if the replacement shock ring, P/N
4410A261, is to be used instead, the buttons may be discarded.
6. Remove the meter retaining ring and shock mount from the meter.
7. Replace the meter.
Note:
If the replacement shock ring is used, peel off the
white strip covering the adhesive backing. Carefully adhere the
shock ring to the front bezel flange.
Note:
Be sure to observe the polarity when replacing the
leads to the meter, black to negative, red to positive.
8. Zero adjust the meter.
Figure 10 Replacing the Meter
Thruline
WAT
TMETER
MODEL
4410A
SERIAL
NUMBER IMPEDANCE ELECTRONIC
CORPORA
TION
CLEVELAND
(SOLON),
OHIO
MUL
TIPY
SWIT
CH
SETTING
BY
ELEMENT
FACT
OR
!
DA
NGER
RF
VO
LTA
GE
KE
EP
ELE
ME
NT
IN
LIN
E
SO
CK
ET
DU
RIN
G
OP
ER
ATIO
N
OFF
O.1
0.3
WA
TT
S
TH
RU
LIN
E
Thruline
WA
TTMETER
MODEL
4314B
SERIAL
NUMBER
XXX
BIRD
ELECTRONIC
CORPORA
TION
CLEVELAND
(SOLON),
OHIO
+