28 Oct
1997 21:57
CELL-DYN
®
3/35 Sample Loader TS Guide
9140234B-June 1997
VERIFICATION PROCEDURESVP - 4.2 Rack Sensor Adjustment
3 - 63
3
VP - 4.2 Rack Sensor Adjustment
Purpose: Perform this procedure to adjust Rack Sensor position and sensitivity.
1. Perform Check procedure
“VP - 4.1 Rack Sensor Check” (Page 3-59)
2. Remove covers.
3. Put Sample Loader in Manual Mode.
a. Press and Hold MAN and START.
b. Turn Power ON, hold keys down until BEEPING stops.
4. Rack sensors must be flush with, or recessed one-half (1/2) the thickness of the platen wall.
a. To adjust sensor, loosen rack sensor bracket and move sensor.
5. Adjust sensitivity of Sensor.
a. Set up racks according to Steps 1-5 of
“VP - 4.1 Rack Sensor Check” (Page 3-59)
.
b. Adjust appropriate potentiometer (pot) on CPU Main Board (
and
), counterclockwise until ALARM LED turns OFF, then clockwise until
ALARM LED turns ON. (It may be necessary to move sensor to properly adjust pot.)
c. Repeat procedure for each sensor.
d. Using Rack Sensor Check Step 7 (
), adjust E Sensor pot.
Special Tools
DESCRIPTION
QTY
PN
Feeler Gauge Set
1
1-43627-01