Thermal Conductivity Transmitter
Maintenance
To replace the main power fuse (F1):
Disconnect power to the instrument
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Use a flat blade screwdriver to remove the fuse holder cover.
Push in with the screwdriver and turn counterclockwise.
Pull out the blown fuse and replace with an exact
replacement according to Table 4-2.
Replace cover and power up instrument.
Figure 4-2 Fuse Location
To remove the other fuses:
Disconnect power to the instrument.
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Remove the interface unit from the mounting rail or
enclosure
The two galvanic isolators snap together. Separate the two by
gently pulling the top section while holding the bottom
section.
Gently pry out the blown fuse and replace with an exact
replacement according to Table 4-2.
Reassemble the isolator modules and reinsert the assembly
into its housing or mounting rail.
Teledyne
Analytical
Instruments
25
