Smiths Medical Medfusion 3000 Series, Technical & Service Manual

Page: 27 / 184

Scheduled Maintenance
21 40-5648-51B
Plunger position sensor check
c 1) Load the small Calibration Slug into the barrel clamp.
Load the plunger driver onto the end of the slug with flippers open, and about 0.1 lbs. applied to
force sensor (as read from the screen).
Verify that the position reads between 0.680” and 0.720”, inclusive. Unload the slug.
c
2) Load the large Calibration Slug into the barrel clamp.
Load the plunger driver onto the end of the slug with flippers open, and about 0.5 lbs. applied to
force sensor (as read from the screen).
Verify that the position reads between 4.680” and 4.720”, inclusive. Unload the slug.
If either reading is out of specification, re-calibrate the
sensor and then retest readings.
Note
:
Use a new syringe for the following tests as the
lubrication within syringes evaporates. Change “test”
syringes at least monthly .
Plunger travel test
Return the pump to the
Main
menu (press â to
exit Biomed mode). Load an air-filled 50 or 60 cc sy -
ringe into the pump. Use the number buttons to choose
ml/hr
delivery mode and set the flow rate to 20 ml/hr.
Clear the total infused. Press
É
.
c
1) Verify the three green infusing indicators are lit in a repeating sequence from right to left. Continue
running until at least 0.033 ml has been infused.
c 2) Press Lock and verify the Lock indicator lights. Press Unlock and verify the Lock indicator turns off.
c
3) Press
CHG Rate
and set a rate to the maximum rate available on the ml/hr control screen. Allow the
unit to drive for the full length of the syringe.
c
4) When the syringe is empty, verify the
Syringe Empty
alarm message is displayed and the red alarm
indicator lights. Verify the alarm tone quality. Press í to silence alarm.
If other alarms or system failures occur during this test
use the troubleshooting guide for corrective actions.
Motor drive & occlusion operational test
Connect a three-way stopcock to an empty 50cc or 60cc
Luer-lock syringe. Load the syringe with the syringe
filled with approximately 30cc of air.
c
1) Use the number buttons to choose
ml/hr
mode and set the flow rate to the maximum rate as dis-
played on the ml/hr entry screen.
From the
Begin Delivery
screen, press è to access the
Prime
screen. Press and hold è to
prime the tubing set for at least 0.2 ml priming volume. Press Exit .
Close the stopcock to the syringe.
c
2) Press
Options
, use the number buttons to choose
Override Occl Limit
, choose
High
, then press
Enter
.
c
3) Press
Options
, then use the number buttons to choose
Disable Rapid Occl Detect
, if available.
(If not available, press â .)