Intellipuff Service Manual
Page 28 of 51
Issue D 27/02/2014
EP59-12317
Replacing the Handset Assembly
The Handset Assembly is supplied complete with the Umbilical cable and
connector. Disassembly of the hand set is not recommended and service
exchange units are available.
To remove the old unit.
Open the main unit. (see Disassembly and Reassembly)
Disconnect the air tube at the filter (see changing Air Filter)
Carefully cut all of the cable ties along the umbilical cable form inside the base
unit.
Release the cable clamp on the inside front of the main unit by completely
unscrewing the plastic nut.
Remove the 12 way connector from the main PCB.
Carefully cut the as close to the connector as possible (so that the old unit can
be returned for rework)
Remove the ferrite filter and save it for reassembly
Remove the cable clamp nut and save it for reassembly
Remove the old umbilical completely through the cable clamp.
To replace the new unit
Carefully thread the end of the umbilical through the cable clamp on the front
of the main unit taking special care not to damage the connector pins.
Thread the air tube through the cable clamp.
Thread the nut over the cables and air tube and tighten back onto the cable
clamp with about 15mm of the white sheath showing on the inside.
Thread the ferrite filter onto the cables and secure with a cable tie so that
approx 30mm of cable shows between the ferrite filter and the white sheath.
Carefully fit the connector pins back into the connector supplied in the order
shown below.
Note that the ears on the connector are upwards.