Check that the orange electronics head O-rings and flat seal are clean and lubricated. Dive Rite recommends lubricating these seals with Tribolube 71 grease.
Confirm that the small orange O-ring is in place on the premix tube. The O-ring should be above the sensor disk. To ensure that it is in the right spot, lay your fingers on the disk and the O-ring should be above your fingers (See Figure 15). When the canister is installed it will push the O-ring down to seal against the stainless steel tube in the center of the canister.
Install the head by inserting the premix tube into the center tube of the body, aligning the arrows on the head and body (See Figure 16), pushing the head into position, and then rotating clockwise until the head arrow is aligned with the “LOCKED” position (See Figure 17).
Figure 18 shows the complete scrubber assembly. With both the head and the end cap installed, it is possible to pressure test the canister by covering one of the loop hose fittings with your hand and blowing into the other. No air should escape. If you hear or feel air leaking, remove the head and lid and confirm that all seals and O-rings are installed and properly cleaned and lubricated.
The cone shaped water trap snaps into the end cap and can be removed for maintenance and cleaning.
There is a large orange O-ring sealing the edge of the water trap (See Figure 10).
There is a large orange flat seal that is pressed into the water trap. It is recommended not to remove this seal unless replacement is necessary as it is difficult to reinstall.
If the flat seal must be removed, reinstall the clean and lightly lubricated seal by pressing into place on opposite sides and then slowly, working back and forth, flattening it into the groove (See Figure 12).
Figure 13 shows the completed end cap assembly ready for installation.
To install the end cap, align the arrows on the end cap and body, push the head into position, and then rotate clockwise until the end cap arrow is aligned with the “LOCKED” position (See Figure 14).