Removing The Profile Control Valve - Getinge Arjohuntleigh NIMBUS II Service Manual

Nimbus/DFS Service Manual
34

Removing the Profile Control Valve

In addition to the rotor, stator and cosmetic knob on the profile control valve, the spares item for the
replacement profile control valve includes the following items:
• rear cover (Fig 73, Item 10)
• connector (Fig 73, Item 20)
• large plastic nut (Fig 73, Item 30)
• four dome nuts (Fig 73, Item 40)
• four plastic screws (Fig 74, Item 50)
• mounting plate (Fig 74, Item 40)
• two mounting screws (Fig 74, Item 60)
34.1 Remove the mattress top cover.
34.2 At the head end of the mattress by the profile control valve, pull apart the pop studs which
secure the tops of cells 4 and 5 to the manifold.
Note: The cell numbering convention is: Cell 1 is at the head end of the mattress. Cell 20 is at the foot
end of the mattress.
34.3 To disconnect cell 4 from the connector on the rear cover of the profile control valve, carry out
the following procedure (Refer to Figure 71):
34.3.1 Hold the rear cover of the profile control valve with one hand.
34.3.2 Grip the end of the cell with the other hand.
34.3.3 Give a quick, firm pull to remove the grommet on the cell from the connector on the rear
cover.
34.4 Remove the Profile Valve Knob as follows:
34.4.1 Refer to Figure 72 and 73. Firmly press the end of the rotor/stator shaft (A) such that
the shaped end of the shaft (Figure 72) moves away from the rotor/stator.
34.4.2 Turn the profile control valve knob 90 degrees clockwise to release.
Issue 2
April 2010 SER0001
Mattress Repair
Chap 4
Page 43