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Publication 5404-001-REV-C
Air Cylinder Installation
Key Information
1. Use ONLY Harvard Apparatus approved air cylinders. Any other non-
approved cylinders may damage the Inspira unit.
2. Do not oil or grease the air cylinders. Inspira’s special air cylinders are self-
lubricating, requiring no additional lubrication.Applying oil or grease may
damage the air cylinders.
3. When switching the air cylinders, the power must be SWITCHED OFF.
4. Tampering with any components besides the air cylinders inside of the
Inspira will void the warranty.
Installation
CAUTION: Electrostatic discharge (ESD) can damage compo-
nents on the circuit boards. Avoid contact with the circuit
boards when changing cylinders.
Figure 7. Air Cylinder Installation
Procedure
Before the Inspira can be used for the first time, one of the two provided air cylinders
(10 cc and 100 cc) must be installed. Choose the proper cylinder depending on the
size of the animal to be ventilated. Remove the top cover of the ventilator by remov-
ing the four phillips head screws which hold the top cover in place, one on either side
of the unit and one in each of the top two black feet. Once the top cover is removed
locate the mounting area for the air cylinders as seen in figure 7. Place the small pro-
vided O-ring in the mounting groove, which is found on the valve block as illustrated.
Then move Inspira’s white plunger back by turning the coupling connecting the black
