Figure 6 Removal of anti-fouling cartridge
If the cartridge is difficult to remove, use needle-nose pliers to break up the anti-
fouling cartridge.
7.
Clean the inside of the duct base.
8.
Put the used anti-fouling cartridge and the swab into a plastic bag for disposal.
9.
Put a new anti-fouling cartridge on a cotton swab and put it in the duct base.
10.
Use the end of the swab to make sure the anti-fouling cartridge is in the duct base
correctly.
11.
Make sure that the O-ring is clean and has no contamination from the swab.
12.
Replace the duct top.
Make the four screws snug, not tight. There is no gap between the duct top and the
duct base.
13.
Put the end cap on the protective sleeve.
The user can view the temperature probe in one of the holes.
14.
Install the Phillips screws to attach the end cap to the sleeve.
4.2.2 Replace CT-DO exhaust anti-fouling cartridge
The second anti-fouling cartridge is in a canister in the exhaust tubing.
1.
Turn the right-angle hose barbs as necessary to disconnect the tubing and the
canister from the hose barbs. It may be necessary to loosen the screws that hold the
hose barbs so that they can be turned.
Do not loosen the screws more than 1/4-
turn.
Figure 7 Tube disconnected from bottom elbow
Note that one end of the canister has wrench flats.
2.
Use a wrench to unscrew the end of the canister.
Sensor maintenance
24
