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3-11
Installation 3
Upgrading to Dual-syringe Model
Removing the Cover
1) Undo the four screws (with two washers) at the
base of the 402 that secure the top cover. Place
the 402 in the upright position, pull the sides of
the cover outwards, and then lift off the cover.
2) Undo the two nuts inside the front panel (near
the top) that secure the blanking plate, then
remove the blanking plate.
Connecting the Flat Cable
There is a flexible flat cable inside the 402 (attached
to the lower chassis with Velcro) that connects the
logic board to the Valve module. Detach the cable
from the lower chassis, then use the free connector
to connect to the motor drive board on the upgrade
module. With reference to the opposite figure, the
loose-end of the flat cable (with the second connec-
tor) and the connecting cable may be re-attached,
using their Velcro strips.
1. Hold the module upright, in front of the 402
front panel.
2. Thread the flat cable through the aperture for
the module and connect it to the syringe motor
drive board on the Tee module.
To tee module
Second
connector
is not used