Waters Autospec Premier Operator's Manual page 166

Key to inner source chamber assembly components (Continued)
Item Description
J Ceramic spacer
K Locating dowel (shouldered)
L Locating dowel (plain)
M Ceramic spacer
N Ion block
O Trap
P Trap securing nut
Q Washer
R Trap contact
S Ceramic spacer
T Ceramic spacer
U Ceramic spacer
V Repeller contact
W Repeller contact ceramic spacer
X Repeller contact securing nut
Y Washer
Z Repeller shaft
AA Ceramic spacer
AB Ceramic spacer
AC Ceramic spacer
AD Repeller
This section describes maintenance of the electron ionization (EI) inner
Note:
source chamber assembly. Maintenance of the chemical ionization (CI) inner
source assembly is similar, although it has two ion exit plates instead of one,
and no repeller or trap and associated components.
Clean the inner source chamber assembly when these conditions apply:
• It is visibly fouled.
• GC and sample-related causes for decreased signal intensity have been
dismissed.
7-8 Routine maintenance