2/26/2018 DOCA3667B Pro Series Operating Manual.doc 8 of 22
SET-UP PROCEDURE
1. Inspect the control unit for debris from shipping. Inspect all three ports, the 50 psi
SUPPLY GAS, EXHAUST, and DRIVING GAS ports on the back of the ventilator and
remove any obstructions that may have become lodged inside during shipping and
unpacking.
2. Inspect the bellows assembly for debris from shipping. Tilt the top of the bellows
housing toward you and lift it off. Remove the accessories from within the bellows
housing.
3. Ensure that all passages, ports, and chambers are free, clear and unobstructed. Note
that even a hair across the pop-off valve seat will produce an unacceptable leak in the
breathing system.
Caution:
If removal of the pop-off valve becomes necessary, remove the bellows by gently lifting it off to
the side. Unscrew the three red thumb screws. Gently lift the pop-off valve off the bellows base
assembly to reveal the pop-off valve seat and red silicone o-ring. Do not damage the valve seat.
Do not touch the seat with any type of hard object--even a fingernail scratch--could permanently
damage the seat. Be sure the red o-ring remains in its gland in the bellows base.
4. Reassemble the bellow assembly. If removed, first install the pop-off valve with the three
red thumbscrews. Next install the bellows with its first convolution over the bellows-
mounting ring. Carefully hold the outer edge of the bellows disk (top of bellows): lift and
lower it quickly several times to puff out and remove any folds in the convolutions. Place
the bellows housing over the bellows, positioning the housing so that the tabs are to the
immediate right of the bayonet locks. Gently press the housing down, twisting the housing
clockwise at the same time until the tabs engage with the bayonet locks. The bellows
assembly is now reassembled.
5. Connect the drive gas tube. Locate the 7½" long corrugated black rubber drive gas tube,
with 15 mm diameter cuffed ends. Connect the tube between the bellows assembly
DRIVING GAS port and the DRIVING GAS port of the control unit. If the bellows
assembly is being mounted remotely from the control unit, a longer 15 mm tube will be
needed. (A ½" garden hose works well for the long runs to MRI units, but the shorter this
tube can be, the better.)
6. Position the ventilator. Place the ventilator in an accessible location, close to the area
where it will be used, both for convenience, and in an effort to keep the breathing system
tubing as short as possible.
7. Connect the ventilator to the breathing system. Remove the breathing bag from the bag
connector of the Anesthesia machine. Connect the 22 mm x 36” corrugated tube (PN
201A1615) to the BREATHING SYSTEM port of the bellows assembly and to the bag
connector. Use of the clear breathing circuit tubing is recommended so the user can see an
excessive accumulation of condensation that may interfere with gas flows within the
breathing system
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