Eagle Microsystems RA1000 User Manual
Page 9
9
2.
Stop sample flow.
3.
Lift and rotate clip securing the reagent bottle. Raise
reagent bottle approximately 2” and pull down on the valve stem
until the hole in the cap is plugged. Remove reagent bottle.
4.
Hold reagent bottle upright, unscrew and remove cap. Place
open bottle close to clear tubing connector at adaptor. Carefully
unscrew connector nut releasing clear tube and drain remaining
reagent from the reservoir into the reagent bottle. Screw cap onto
reagent bottle.
5.
Remove flush plug to drain unit. After the analyzer is completely
drained, replace plug.
6.
Loosen the four (4) screws securing the adaptor and remove
adaptor and o-ring.
7.
Clean out bottom body if necessary.
8.
The adaptor provides mounting for reagent valve components.
This valve consists of a starwheel, bushing, pin, o-ring, spring clip
and a screw. Loosen the screw and rotate the spring 180
degrees. Pull up on the starwheel to release the pin from
bushing. DO NOT remove bushing or o-ring. Clean all parts
under a stream of water. If the 1/16” diameter holes in the
starwheel and bushing are clogged, use a straight pin to remove
the obstruction. DO NOT scratch the mating surfaces or damage
the edge of the hole. Place starwheel and pin into bushing. Turn
the spring clip back 180 degrees to apply force to the pin.
Secure screw.
9.
Place large o-ring into groove and replace adaptor. Secure, using
four (4) screws.
10.
Reconnect clear tubing to connector and secure nut.
11.
Invert reagent bottle on reservoir and secure using clip provided.
12.
Begin sample flow as described under START-UP.
13.
Turn power switch to the ON position. If air bubbles appear in
the clear reagent tubing, remove as described in START-UP.
C.
GOLD ELECTRODE
Normal life of the gold electrode is three to five years. This can vary
depending upon chemical residual and the quality of water. The gold
electrode should appear clean and shiny.
NOTE: THE MEASURING CELL ASSEMBLY RETAINS 200 -
3
/
16
”
DIAMETER PVC SPHERES WITHIN THE TOP BODY OF THE