Installation

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
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NO TOOL ACCESS DOOR - REMOVAL FOR INSPECTION OR CLEANING
1. Unscrew the six (6) wing screws with your hands and set them in a
safe place during the inspection (see figure 73).
2. Remove the outer door from the outer wall of the duct and set it in
a safe place during the inspection (see figure 74).
3. Remove the insulation pad and set it in a safe place during the
inspection (see figure 74).
4. Unscrew the eight (8) wing screws and set it in a safe place (see
figure 75).
5. Remove the Inner cover and set it in a safe place (see figure 75).
6. Inspect the ceramic gasket (white) and the silicone gasket (gray)
attached on the inside of the Inner door for any damage (see figure
76). If any damages, you must order one or both gaskets.
Replacement of the access door:
1. Replace the Inner door on the duct over the access hole.
2. To make sure the door is well placed, put back only the top and lower
central wing screw and tighten both.
3. Make sure that the door is well placed.
4. Put back the other six (6) wing screws and tighten adequately.
5. Replace the INSULATION PAD over the inner door.
6. Replace the outer door.
7. Put back the six (6) wing screws and tighten them with your hands.
Figure 73
Figure 74
Figure 75
Figure 76