Personal Ambulatory Oxygen System
Provider Technical Manual
69
3. Unscrew the 2 screws (M3x10 Plastite Screw, P/N 6950-310) and remove the screws and washers (M3
Flat Washer, P/N 6950-03) as shown in Figure 41 shown below.
Figure 41: Product Tank Removal.
4. Remove the Product Tank.
5. Cut the 2 green cable ties that secure the silicone tubes to the bottom of the Product Tank as shown in
Figure 40 on previous page. Disconnect these two silicone tubes.
6. To reinstall, secure the 2 silicone tubes coming from the HEPA filter to the bottom ports of the Product
Tank. Orient the HEPA filter so the loop is above the filter as shown in Figure 41 above. Secure joints with
cable ties. Inspect the tubing to ensure the tubing is not kinked.
7. Install the silicone tube that comes from the ATF product port to the bottom Product Tank as shown
in Figure 40 on previous page. Secure with a cable tie. Inspect the tubing to ensure the tubing is not
kinked.
8. Install the silicone tube that comes from the flow tube of the Control Board to the top product tank as
shown in Figure 40 on previous page. Secure with a cable tie. Inspect the tubing to ensure the tubing is
not kinked.
9. Install Product Tank with 2 screws and 2 flat washers into the Unit Case as shown in Figure 36 above.
10. Perform product test prior to installing cover and again after cover replacement.
11. Installation of the Unit Cover on the unit is described in the Remove and Replace of the Unit Cover.
Cable
Tie
No Kink
Here
Screw &
Washer
Pinch Product
Outlet Port
