38
Fuse Replacement
Section 3: Meter maintenance
Reference, Installation and Operation Manual
December 2017
3-9000-764 Rev F
3.5.2
Fuse Replacement
1.
Remove power to the meter.
2.
for the tools required to complete this procedure.
3.
Disconnect the Transmitter Electronics Enclosure security seals (
),
loosen the end cap security latch (requires a 3 mm Allen wrench) on the terminal end of
the enclosure (
) and remove the end cap.
4.
Use a 1/4 inch standard flat head screw driver and remove the Fuse Holder cap (
Figure 3-24 Fuse holder cap
5.
Remove the fuse from the holder.
6.
Insert the replacement fuse (Littlefuse #218002.HXP) into the Fuse Holder.
7.
Install the fuse cap into the holder and push until it is flush with the holder.
8.
Turn the fuse cap clockwise 1/8 turn using a 1/4 inch standard flat head screw driver.
9.
If replacing other electronics, continue with
before
replacing the end caps and sealing the enclosure.
10.
If you are not replacing other electronics, replace the end caps and security latches
(requires a 3 mm Allen wrench). If required, install the security seal wire into and
through one of the two holes in the end cap. Choose holes that minimize counterclock-
wise rotation of the end cap when the security wire is taut (maximum wire
diameter.078 inch; 2.0mm) (
11.
Adjust the security wire, removing all slack and thread into the lead seal.
12.
Cut wire ends to remove excess wire.
13.
Apply power to the meter.
A.
A. Fuse holder cap
