4.22 Air System Control P.C. Board Assembly
Chapter 4: Removal, Replacement, and Adjustment Procedures
Affinity® Three Birthing Bed and Affinity® Four Birthing Bed Page 4 - 55
Service Manual (MAN272 REV 4)
4
4.22 Air System Control P.C. Board Assembly
Tools required: Phillips head screwdriver Needle nose pliers
Removal
1. Set the brake/steer pedal to the brake position.
2. Ensure that the bed is out of the Trend-Like position.
3. Using the hilow function, raise the bed to the high position.
4. Using the head function, raise the head section to the high position.
Unplug the unit from its power source. Failure to do so could result in
personal injury or equipment damage.
5. Unplug the bed from its power source.
6. Remove the bottom motor cover (refer to procedure 4.2).
7. Identify and disconnect all wiring connectors (A) from the air system
control P.C. board (B) (see figure 4-29 on page 4-56).
8. Using the phillips head screwdriver, remove the screw (C) that secures the
air system control board (B) to the air system bracket (D).
9. Using the needle nose pliers, compress the air system control P.C. board
(B) mounting standoffs (E).
To prevent component damage, ensure that your hands are clean, and
only handle a P.C. board by its edges. Failure to do so could result in
equipment damage.
For shipping and storage, place the removed P.C. board in an antistatic
protective bag. Failure to do so could result in equipment damage.
10. Handling it by its edges with clean hands, maneuver and remove the air
system control P.C. board (B) from the bed. Place it in an antistatic
protective bag.