Bleaching Apertures, - Beckman Coulter LH 780 Instructions Manual

CLEANING PROCEDURES
BLEACHING APERTURES
6. Wash the filters in soap and water, rinse them and dry them completely. If you find a
filter that is torn or shredded, discard it and replace it with a new one. Order replacement
filters from your Beckman Coulter Representative.
7. Return the clean air filters to their original location.
8. Reconnect the primary power cord.
9. Turn on the Power Supply main breaker.
10. Go to the Numeric Keypad.
11. Press
2.3 BLEACHING APERTURES
Summary
CAUTION Risk of system damage. If you mix LH 700 series diluent with bleach, a precipitate forms that can
clog the apertures. Do not mix diluent with bleach.
A. Prepare 40 mL of bleach solution in a wash bottle.
B. Put the bleach solution in the WBC bath.
C. Use F05 and activate solenoid 12 to bleach the Hgb cuvette.
D. Press
E. Refill the WBC bath with bleach.
F . Put the bleach solution in the RBC bath.
G. Perform F11, Extended Prime. If necessary, add more bleach solution to the WBC bath to
keep the liquid above the apertures.
H. Disconnect the wash bottle from WBC bath.
I. Leave the bleach solution in the baths
J. Go to the Numeric Keypad.
K. Press
L. Perform F12, Extended Clear.
M. Press
2-4
POWER ON
.
STOP
. The numeric keypad displays READY.
DRAIN
.
DRAIN
.
.
PN 773023AC