Smiths Medical Medfusion 3000 Series, Technical & Service Manual

Page: 96 / 184

Parts Replacement
90
40-5648-51B
handle down and main board facing up.
2. Remove the main board per section above.
3. Squeeze the plunger lever and fully extend the
plunger head away from the case.
4. Remove pan head screws and standoffs holding
the extrusion (drive train assembly). Remove pan
head screws and Nylock nuts holding barrel clamp
assembly to extrusion.
5. Partially slide extrusion out of case until ear clip
sensor is visible.
6. Remove pan head screw holding sensor and re -
move the ear clip optical sensor.
Replacement
1. On the new ear clip sensor, look at the old sensor
then use wire cutters to carefully cut a portion of
the plastic tab/mounting hole to allow clearance
for the display connector.
2. Slide ear clip sensor onto post in case top, with
grey side of sensor away from the display.
3. Secure the sensor with the pan head screw. Torque
to 100 in oz (1.2 Nm).
4. Carefully slide the extrusion (drive train assembly)
back into case.
5. Ensure right end plate on extrusion does not dam -
age ear clip sensor.
6. Ensure plunger cable comes out between middle
boss and boss by the motor.
7. Slide keypad ground tab (black side toward extru -
sion) between boss by the motor and extrusion.
8. Secure extrusion with 3 standoffs and 3 pan head
screws. Torque to 100 in oz (1.2 Nm).
9. Secure the barrel clamp assembly to the extrusion
with 2 pan head screws and Nylock nuts. Torque
to 100 in oz (1.2 Nm).
10. Reinstall main board per main board section
above.
11. Close pump housing per housing section above.
Handle
Removal
1. Open pump housing per pump housing section
above, and setup the case top section with the
handle down and main board facing up.
2. Remove the main board per section above.
3. Squeeze the plunger lever and fully extend the
plunger head away from the case.
4. Remove pan head screws and standoffs holding
the extrusion (drive train assembly). Remove pan
head screws and Nylock nuts holding barrel clamp
assembly to extrusion.
5. Partially slide extrusion out of case until two
handle screws are visible.
6. Remove two pan head screw holding handle and
remove the handle.
Replacement
1. Place new handle on case top and secure with two
pan screws with washers through the inside of
case.
2. Carefully slide the extrusion with plunger tube
back into the case.
3. Carefully slide the extrusion (drive train assembly)
back into case.
4. Ensure right end plate on extrusion does not dam -
age ear clip sensor.
5. Ensure plunger cable comes out between middle
boss and boss by the motor.
6. Slide keypad ground tab (black side toward extru -
sion) between boss by the motor and extrusion.
7. Secure extrusion with 3 standoffs and 3 pan head
screws. Torque to 100 in oz (1.2 Nm).
8. Secure the barrel clamp assembly to the extrusion
with 2 pan head screws and Nylock nuts. Torque
to 100 in oz (1.2 Nm).
9. Reinstall main board per main board section
above.
10. Close pump housing per housing section above.
Tubing guide
Removal
1. Open pump housing per pump housing section
above, and setup the case top section with the
handle down and main board facing up.
2. Remove the main board per section above.
3. Squeeze the plunger lever and fully extend the
plunger head away from the case.