9.0 REASSEMBLY
The procedure for reassembling the HEMOCHRON
®
Jr. Signature microcoagulation
instrument is described below.
9.1 Verify Mounting and Connection of Components
Procedure:
9.1.1 Check that the battery is secured. See Figure 5.
9.1.2 Check that the pump assemblies are properly mounted. See Figure 5.
9.1.3 Check that the pump mounting brackets are secured.
9.1.4 Check that all of the leads are connected to the circuit board and reconnect
the Keypad Overlay/Top Cover Assembly connector J6 to the circuit board if it
was removed. See Figure 3.
9.2 Fasten the Pump Tubes to the Circuit Board
Procedure:
9.2.1 Position the circuit board over the instrument base as shown in Figure 3.
9.2.2 Slide the sample tube fitting into the circuit board slot that is nearest you
(Figure 3).
9.2.3 Slide the waste tube fitting into the other circuit board slot. Make sure that the
tubes are not kinked.
9.2.4 Check that all of the leads are connected to the circuit board and reconnect
the Keypad Overlay/Top Cover Assembly connector J6 to the circuit board if it
was removed. See Figure 3.
9.3 Connect the Battery Lead
Procedure:
9.3.1 Connect the battery lead to the circuit board. Be sure that the polarity of the
battery leads matches the polarity indicated on the circuit board (the red
battery lead is positive).
9.4 Secure the Top Cover to the Instrument Base
Procedure:
9.4.1 Turn the instrument over, holding the top cover and instrument base together.
9.4.2 Secure the top cover to the instrument base with the four screws.
9.5 Set the Time and Date (if the Battery Lead was Disconnected)
Procedure:
9.5.1 Press the Cancel button.
9.5.2 While continuing to press the Cancel button, insert a cuvette into the
instrument.
9.5.3 Release the Cancel button. The message PRESS START is displayed.
HEMOCHRON
®
Jr. Signature Service Manual 12
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