Huntleigh AlphaBed, Service Manual

Page: 55 / 94

33 Replacing the Microswitch
Note : It is not necessary to remove the pressure control module from the pump case.
33.1 Pull off connectors from the Micro switch terminals 1 and 3 (Fig 18, Item 10).
33.2 Release two screws (Fig 18, Item 20) and remove the Micro switch from the pressure control
module.
33.3 Replacement is the reverse of the above procedure.
34 Replacing the Terminal Block
Note : It is not necessary to remove the pressure control module from the pump case.
34.1 Disconnect all wires from the terminal block (Fig 18, Item 30).
34.2 Release two securing screws (Fig 18, Item 40) and remove the terminal block from the
pressure control module.
34.3 Replacement is the reversal of the above procedure. Refer to the wiring diagram (Chap. 4,
Fig 24) when reconnecting the wires for the electronic version of the pump and wiring diagram
(Chap. 4, Fig 25) when reconnecting the wires for the mechanical version of the pump.
Issue 2 Chap 3
Nov 2001 SER0004 Page 35
Mini Pump Service Manual Pump Repair