Mattress and Seat Systems Service Manual
Repair
Page 13
Figure 7 - Alpha Active Mattress Overlay (OL)
Head
End
Feet
End
Alternating
Non-ventilated
Item 170 (7 off)
Alternating
Ventilated
Item 180 (7 off)
Static
Non-ventilated
Item 170 (2 off)
Static
Ventilated
Item 180 (1 off)
Cell Arrangement
80
60
110
40
30
50
90
10
150
160
140
100
120
130
70
70
160
See Detail A
See Detail A
Note the orientation of the
Non-Return Valves (Item 70)
Detail A