4.20 Bed Surface Air System Assembly
Chapter 4: Removal, Replacement, and Adjustment Procedures
Affinity® Three Birthing Bed and Affinity® Four Birthing Bed Page 4 - 51
Service Manual (MAN272 REV 4)
4
4.20 Bed Surface Air System Assembly
Tools required: Small wire cutters (2) ½" wrenches
When servicing the air system, it is important to ensure that the lumbar and
seat inflate/deflate hoses are connected to the correct fittings on the air
package. The hose from the left side of the bed is the lumbar hose; the hose
from the right side is the seat hose.
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, and engage the lockout control.
6. Remove the top motor cover (refer to procedure 4.1).
7. Remove the bottom motor cover (refer to procedure 4.2).
8. Disconnect the hose (A) leading from the right side of the mattress to the
air manifold fitting (B) (see figure 4-26 on page 4-52).
9. Disconnect the hose (C) leading from the left side of the mattress to the air
manifold fitting (D).