Sigma 6000+ - Page 19

SIGMA 6000 IV PUMP PREVENTATIVE MAINTENANCE
4. FLOW SENSOR OPERATIONS (OPTIONAL)
a. Attach the Flow Sensor to the drip chamber. Tum the unit on and set the program for
“RATE 300” and “VOL 100”. Load a set into the unit and push RUN/STOP. While the
unit is running, plug in the Flow Sensor. The unit displays “IN STOP” alternately with
“PUSH RUN” within 15 seconds.
With the Flow Sensor plugged in, push RUN/STOP key. While the unit is running
unplug the Flow Sensor. The unit displays “IN STOP” or “PROX OCCL”, “EMPT
BOTT”, depending on the program, alternately with the “PUSH RUN” within 15
seconds.
Reconnect the Flow Sensor and push RUN/STOP to continue unit operation. While the
unit is running, pinch off the tubing above the unit. The unit displays “PROX OCCL”
alternately with “EMPT BOTT” within 15 seconds.
5. BATTERY LIFE TEST
NOTE: This test shall only be performed on a pump .
with a fully charged battery. This requires 18
consecutive hours of unit charge time. ~
Turn the unit on and place it in the TEST MODE. Depress the PIG. RATE key for OCC
function .
Depress the SILENCE key.
Remove the unit plug from the AC outlet.
Observe the time that elapses before the unit displays “PLUG IN”.
The required time shall be greater than:
Pum; e New Battery Old Battery
Abbott 4.75 hours 2 hours
Baxter 4.75 hours 2 hours
McGaw 4.25 hours 2 hours
6. FLOW ACCURACY TEST
Reference Flow Rate Accuracy Test (Section 1 Page 13)
7. CAM GREASE
Evaluate pump for excessive motor noise. Apply Dow Coming 14635 High Vacuum
Grease as required to the pump cam and push rods.
Section 1 Page 11