M
AVTM246004 BITE 2/2P Rev 4 July 2011
84
To replace the transmitter secondary fuses:
1.
Remove the
transmitter
from the vicinity of the battery
room.
2.
Press the
transmitter
power switch to the
O
(OFF
position to power down the
transmitter
. Then remove all
cables from the J1 and J2 connectors.
F
WARNING
Do not remove the BITE 2 transmitter current source
leads from the battery until the transmitter is powered
down. Always disconnect the current source leads from
the battery before removing them from connector J2 on
the transmitter.
3.
Remove the top panel screws.
4.
Carefully lift the transmitter chassis out of the case.
5.
Locate the two-pole fuse block on the front plate of the
transmitter chassis (see Figure 9-2 shown earlier in this
chapter). The fuses should be marked 15 ATM or 15 KLM.
6.
Remove the fuses from the fuse block. Verify if one or both
fuses are bad.
7.
If needed, replace the bad fuse(s) with the exact
replacement type as specified in
Appendix B: Replaceable
Parts List
.
8.
Reassemble the
transmitter
by returning the chassis to
the case, inserting the top panel screws into the recessed
holes and tightening to 0.7 Newton-Meters. Do not over-
tighten because this will misalign required clearances for
mechanical operation. Then test the
transmitter
as
described earlier in "Verifying a Transmitter Fuse
Problem" on page 79.
9.
Replace the top panel screws.
If the instrument still does not respond correctly, return it
to Megger for service. Please refer to "If the BITE 2 or BITE
2P Needs Repairs" on page 88.
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