Agilent Technologies 8355 Sulfur User Manual page 77

WA RNING
C A U T I O N
SCD and NCD User Manual
Hydrogen gas is flammable. Turn off all detector (and column)
hydrogen gas flows before performing maintenance on the
detector.
3
Remove the protective shroud. Remove the two T20 Torx
screws, twist the shroud counter-clockwise to remove it from
the mounting posts, then lift. Set the shroud and screws
aside for later use.
4
Disconnect the transfer line and quickly cover the open end
with the 1/8-inch cap. Use a 3/8-inch wrench on the transfer
line and a 7/16-inch wrench of the upper fitting to hold the
burner assembly steady.
5
Using two 7/16-inch wrenches, remove the outlet fitting from
the nut on the top of the quartz tube.
6
Gently slide the nut and its ferrule up and off of the quartz
tube.
The quartz tube is fragile and can be chipped or cracked. To avoid
damaging the quartz tubes, handle carefully.
7
Using 5/8-inch and 9/16-inch wrenches, remove the burner
assembly and tube from the coupling in the detector base
assembly.
8
Inspect the area around the jet in the coupling. If there are
broken bits of tube present, remove with tweezers or similar
tool.
5
Maintenance
77