Procedure 21 - Sieve Bed Pressure Tap-In Kit Installation And Bed Pressure Check - Invacare 6LXO2 Service Manual

SIEVE BED PRESSURE CHECK
PROCEDURE 21 - SIEVE BED PRESSURE TAP-IN KIT INSTALLATION AND BED
PRESSURE CHECK (FIGURES 1, 2 & 3)
TO PREVENT ELECTRICAL SHOCK, ALWAYS DISCONNECT CONCENTRATOR FROM
ELECTRICAL OUTLET BEFORE SERVICING.
DISASSEMBLY
WARNING
Turn power OFF and unplug unit.
1. Remove the eight (8) 5/8-inch screws that
secure the cabinet to the base and remove the
cabinet from the base of the concentrator.
2. Turn unit so the back faces you.
3. Loosen and lower the adjustable clamp on the
product tank.
4. Pull product tank up and back to access the
check valve PVC tubing.
CAUTION
3LX and 5LX standard units (without SensO2)
are equipped with a restrictor assembly located
on the left top of the product tank as viewed
from the rear. DO NOT remove tubing or
restrictor. Install tap-in kit on the opposite side.
5. Locate the check valve and PVC tubing to your
right.
6. Cut in half the PVC tubing below the check valve.
Restrictor
SHOWN for
Clarity
Adjustable Clamp
FIGURE 1 - DISASSEMBLY
CAUTION
INSTALLATION (FIGURE 2)
1. Insert the "T" fitting into the ends of the PVC tubing.
2. Secure 1/4-inch clamps to each end of the PVC tub-
ing "T" fitting connection.
3. Attach the 1/4 x 2-inch silicone tubing to the
NEW "T" fitting and secure with a 1/4-inch clamp.
4. Insert plug into the open end of the 1/4 x 2-inch
silicone tubing.
5. Secure with a 1/4-inch clamp.
Check Valve
Cut PVC Tubing
below Check
Valve to install
Tap-in Kit
Product Tank
PRESSURE TESTING (FIGURE 3)
1. Remove plug and Connect pressure gauge to the
1/4 x 2-inch silicone tubing and secure with a 1/4-
inch clamp.
2. Check each connection to make sure they are
tight.
3. Turn the concentrator ON.
67
1/4" Clamp
"T" Fitting
PVC
Tubing
1/4" Clamp
FIGURE 2 - INSTALLATION
PROCEDURE 21
S
E
V
E
B
E
D
P
R
E
S
S
U
R
E
1/4 x 2-inch Silicone
Tubing
Plug
I