CareFusion Alaris 8110 series, Service Manual

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5B-27
CORRECTIVE MAINTENANCE
PCA Module
Alaris
®
Syringe Module (8110 Series)
Alaris
®
PCA Module (8120 Series)
Technical Service Manual
5.2.23 Removing Force Sensor and Actuator
Knob Assemblies
1. Loosen four (
4
) screws attaching Upper
Housing to Lower Housing just far
enough to remove Upper Housing,
leaving O-Rings attached to screws.
NOTE:
To avoid losing O-Rings, push
each screw upward to grab and hold its
O-Ring before removing screws from
Upper Housing.
2. Disconnect flex cable from Force Sensor
Board
J1
.
3. Lift Force Sensor Board off mounting
posts.
4. Remove Actuator Knob Assembly.
5. Remove four (
4
) screws attaching Force
Sensor Assembly to Lower Housing.
6. Remove Force Sensor Assembly.
7. Remove Force Sensor Lock Plate, Force
Sensor Plate, Force Sensor Seal and
Upper Housing.
During Reassembly:
(see Figure
7B-1
)
• Ensure Silicone Tubing gasket in Upper
Housing is undamaged and in place.
• Ensure Plunger Flag (part of Lower
Housing Assembly) and Force Sensor
Assembly plunger are seated in Force
Sensor Seal.
• Ensure Force Sensor Assembly flex
cable is tucked inside upper and lower
housings.
5.2 DISASSEMBLY/REASSEMBLY
(Continued)
Upper Housing
(Silicone Tubing gasket not shown)
Force Sensor Board
(P/O Force Sensor
Assembly Kit)
Actuator Knob
Assembly
Force
Sensor
Assembly
Kit
Lower
Housing/Carriage
Assembly Kit
Force Sensor
Seal
Force Sensor
Lock Plate
Force Sensor Plate
Wiper Assembly, Top Plate, and
Carriage Assembly not shown.
O-Rings (4 PL)
Plunger
To avoid damaging Lower Housing, use
Nylok screws to install Force Sensor
Assembly.
CAUTION
Nylok Screws
(4 PL, P/O Force
Sensor Assembly
Kit and Lower
Housing Carriage
Assembly Kit)