Service manual

Service Manual 67
675-120 Revision D May 2005
Figure 16 - Fuel Cell Removal/Fitting
Removal and Fitting of Blender and Components
Refer to Figure 17.
Removal
1 Remove the case.
2 Remove the battery.
3 Disconnect the connector SK1 (1) on the LED PCB.
4 Disconnect the connector SK5 (2) on the Main Processor PCB.
5 Disconnect the connector at PL5 (3) on the Patient Trigger PCB.
6 Remove the input connection tube (4) by pulling the elbow off the
1
/
8
“ silicone
tube, taking care not to break the barbs on the elbow.
7 Remove the cover (6) from the front of the FiO
2
control knob (7) and the two
covers (8) from the front of the NCPAP Pres low and NCPAP Pres high flow
control knobs (9) by gently prying out of the recess in the knob with a small
screwdriver.
8 Using a screwdriver or Circle pliers, unscrew the central securing nuts for the
flowmeter knobs and pull off the control knobs (9).
9 Using the Special wrench, unscrew the collet on the front of the FiO
2
control
knob (7), remove the collet and pull off the control knob (7).
10 Remove the eight screws (10) from the front panel (11).
11 Pull the front panel assembly (11) off the frame, taking care not to damage any
tubes.
12 Remove and discard the O-ring (12).