K-3 & K-4 Series Owner’s Manual
Page 24
EXPANDABLE MATTRESS (XM)
Mattress has ability to expand in width (36”, 39”, 42” and 48”) and in length (80”, 84” and 88”) by using the mattress
expansion regulator valves.
The Expandable Mattress (XM) has two (2), four (4) position valves; one located in the right and the other in the left side,
foot end of the mattress. The width expansion regulator valve is located at the patient’s right, foot end of the mattress and
the length expansion regulator valve is located at the patient’s left, foot end of the mattress. These valves allow the mattress
to expand in width and length based on selected setting.
(K-3XM/K-4XM labeling example, K-3oemXM/K-4oemXM not shown)
1. To inflate mattress to 39”, 42” in width,
rotate the valve selector to position #2.
2. To inflate mattress to 48” in width,
rotate the valve selector to position #3.
3. To inflate mattress to 36” in width,
rotate the valve selector to position #4
4. Position #1 on valve selector is not used
(will keep mattress at 36” in width).
1. To inflate mattress to 84” in length,
rotate the valve selector to position #2.
2. To inflate mattress to 88” in length,
rotate the valve selector to position #3.
3. To inflate mattress to 80” in length,
rotate the valve selector to position #4
4. Position #1 on valve selector is not used
(will keep mattress at 80” in length).
To deflate the Expandable Mattress (XM), set the valve selector to position #4 on both expansion regulator valves and
pull the hose (V)
from the control unit flange connector.
When expanding or contracting the Expandable Mattress (XM), make sure to tighten or loosen the straps on the top sheet
accordingly to the mattress width.
Expandable Mattress (36” Inflated)
Expandable Mattress (48” Inflated)
RECOMMENDED PRESSURE SETTINGS (ALL MATTRESSES)
1. For rapid inflation of the mattress, press (W) “MAX Inflate” key (green LED turns on).
2. For extra firm support during patient ingress or egress, patient wound care, patient turning or patient cleaning it is
recommended to set the mattress pressure to maximum pressure by pressing (W) “MAX Inflate” key.
