Service and repair
Puritan Bennett™ 700 Series Ventilator System Service Manual
10070389 Rev. A
8-55
8.11 PEEP pump and reservoir
8.11.1 PEEP pump
Caution
To prevent equipment damage, never disconnect the PEEP pump while power is
applied.
NOTE:
Replace the PEEP pump every 30,000 hours. It is part of the 30,000-hour preventive
maintenance kit.
(See Figure 8-44). Remove the PEEP pump as follows. Install by reversing removal procedure.
1.
Open and prop lid (Section 8.5.1).
2.
Disconnect PEEP pump from ventilator head harness.
3.
Disconnect tubing from pump.
4.
Using 7-mm nutdriver, remove four M4 nuts and split-ring washers that retain pump to
pump tray. Remove pump.
NOTE:
After installing a new PEEP pump, always perform a PEEP pump calibration
(Section 4.2.3.2.2).
8.11.2 PEEP reservoir and filter
(See Figure 8-44). Remove the PEEP reservoir or filter as follows. Install by reversing removal
procedure.
1.
Open and prop lid (Section 8.5.1).
2.
Disconnect tubes from pump.
3.
Disconnect tube from bottom of exhalation solenoid.
4.
Remove filter from front of PEEP reservoir.
5.
Clear space to remove reservoir as follows:
a.
Remove main fan to provide opening for reservoir to be removed (Section 8.13.1).
b.
Disconnect tubes or harnesses as needed.
6.
Using 3-mm hex driver, remove two M4 x 8 screws and split-ring washers from top of
PEEP pump tray. Remove reservoir through fan opening.
NOTE:
When installing the filter, orient it so the filter inlet (written on filter) faces outward.
Summary of Contents for Puritan Bennett 700 Series
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