Service manual

PN 4237242C
4.24-1
SERVICE AND REPAIR PROCEDURES
APERTURE, BATH AND APERTURE ELECTRODE MODULE
4
4.24 APERTURE, BATH AND APERTURE ELECTRODE MODULE
Tools/Supplies Needed
B #2 Phillips-head screwdriver
Removal
1. Drain the baths.
2. Turn OFF the instrument’s power.
3. Open the lower chassis as directed in Heading 4.4.
4. Gain access to the aperture area by removing the Diluter Panel shield with door. The
shield is held in place with three captive thumbscrews.
5. Remove the three tubes connected to the bottom of each bath.
6. Disconnect the external electrode connector (Figure 4.24-1). This is a single pin
MATE-N-LOK
®
connector coming from the top of each bath and going to the shield wire
of the Aperture Electrode module coaxial cable
Figure 4.24-1 Aperture Bath Assembly
EXTERNAL
ELECTRODE
CONNECTOR
THUMBSCREW
APERTURE
BATH
(RBC)
METAL
INSERT
APERTURE
ELECTRODE
MODULE
APERTURE
BATH
(WBC)
7242024A
APERTURE
BLOCK
O-RING
SENSOR
PREAMP
CABLES
C