Mattress and Seat Systems Service Manual
Repair
Page 41
8
Removing a Manifold Assembly
Refer to Figure 24 for a typical view of the connections between the cell assembly and the manifold
assembly.
Note:
The cells in the Alpha Trancell II mattress overlay are not individual, replaceable cells, but are a
one-piece manufactured item (the mattress overlay assembly).
All Mattress Replacement and Overlay Systems except Alpha Trancell II
8.1
Remove the top cover (Refer to Page 36, Section 3).
8.2
Disconnect all the cells from the manifold assembly, as follows:
8.2.1
Pull apart the press studs that secure the end of the cell to the loop base sheet
assembly on the manifold side only.
8.2.2
Carefully remove the T-connector on the end of the cell from the manifold tubes.
Note:
The T-connector is part of the cell assembly.
8.3
On mattresses with a base cover assembly, pull the ends of the manifold tubes which connect to
the pump into the mattress through the hole in the base cover assembly.
8.4
Lift the manifold assembly, complete with the CPR end plug assembly (where fitted), out of the
mattress.
Alpha Trancell II Mattress Overlay
8.5
Remove the top cover (Refer to Page 36, Section 3).
8.6
Carefully remove the 16 T-connectors on the manifold assembly from the mattress overlay
assembly (Refer to Figure 10).
Note:
The T-connectors are part of the manifold assembly.
8.7
Remove the manifold assembly, complete with the CPR end plug assembly, from the mattress.
All Seat Systems
8.8
Remove the top cover (Refer to Page 36, Section 3).
8.9
Disconnect all the cells from the manifold assembly, as follows:
8.9.3
Pull apart the press studs that secure the end of the cell to the loop base sheet
assembly on the manifold side only.
8.9.4
Carefully remove the T-connector (or elbow connector on some end cells) on the
manifold from the side-entry grommet on the cell.
Note:
The T-connector and elbow connector are part of the manifold assembly.
8.10
On some seat types, pull the ends of the manifold tubes which connect to the pump into the seat
through the hole in the loop base sheet assembly.
8.11
Lift the manifold assembly out of the loop base sheet assembly.
