Smiths Medical Medfusion 3000 Series, Техническое и сервисное руководство

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Parts Replacement
83 40-5648-51B
2. For worm gear, align “D” with shaft and press onto
leadscrew until centered over worm. Attach e-clip.
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.
Position potentiometer
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 flat head
screw in right end plate is accessible.
6. Remove small flat head screw holding position
potentiometer (pot).
7. On the carriage remove pan head screw, washer,
and Nylock nut holding the post of the pot. (It
may be necessary to reposition carriage by moving
the plunger head.)
8. Remove three flat head screws holding motor as -
sembly on extrusion and rotate out of way.
9. Slide position pot out of the extrusion.
Replacement
1. Slide new position pot into extrusion.
2. Clean small flat head screw (or use a new screw),
apply Loctite 242 (mild thread-locking adhesive)
to screw, and secure pot to right end plate of
extrusion assembly. Torque only to 16 in oz (0.2
Nm).
3. Secure motor assembly on extrusion with three
flat head screws. Torque to 100 in oz (1.2 Nm).
4. Slide post of position pot up to carriage. Insert
pan head screw through hole in carriage arm,
then through washer. Start the Nylock nut onto
the screw. Insert 0.002” shim between pot’s post
and the washer, then tighten the nut until slack is
removed. Do not over-tighten nut. Remove shim
and check if flat washer can move (spin) freely, if
not loosen nut slightly.
5. Carefully slide the extrusion (drive train assembly)
back into case.
6. Ensure right end plate on extrusion does not dam -
age ear clip sensor.
7. Ensure plunger cable comes out between middle
boss and boss by the motor.
8. Slide keypad ground tab (black side toward extru -
sion) between boss by the motor and extrusion.
9. Secure extrusion with 3 standoffs and 3 pan head
screws. Torque to 100 in oz (1.2 Nm).
10. Secure the barrel clamp assembly to the extrusion
with 2 pan head screws and Nylock nuts. Torque
to 100 in oz (1.2 Nm).
11. Reinstall main board per main board section
above.
12. Close pump housing per housing section above.