14.Rotate the top of the air intake chamber box from left to right (only a few inches in both directions) while pulling outward at the bottom removing the air intake chamber box from the combustion chamber pipe saving the air intake chamber gasket for reinstallation (Figure 49).
15.Unplug the air pressure tubing from the back of the old air intake chamber box (Figure 50).
16.The wire harness goes through the rubber wire protector in the back of the air intake chamber box (Figure 50).
17.Reach inside the air intake chamber box and push on the center of the rubber wire protector pushing it and the wiring harness wires to the outside of the air intake chamber box.
18.Remove the wiring harness from the wire channeling in the back center of the air intake chamber box. The old air intake chamber box is now separated and can be discarded (Figure 50).
Installing the Air Intake Chamber Box:
19.Insert the fan wiring harness wire through the back and into the fan box compartment by threading the connector through the opening and insert in approximately 6 inches of wiring (up to the rubber wire protector) (Figure 50).
20.Push the rubber wire protector into place in the back of the air intake chamber box (Note: the rubber wire protector must be positioned properly and locked into place around both sides of the air intake chamber box) (Figure 50).
21.Position the wiring harness wire in the wiring channeling molded down the back center of the air intake chamber box (Figure 50).
22.Connect the air pressure tubing to the fitting on the air intake chamber box and route tubing in molded inlaid of the air intake chamber box (Figure 50).
23.Reinstall the air intake chamber gasket (removed in step 14) on the back lower portion of the new air intake chamber box (Figure 51).
24.Install the new air intake chamber box to the combustion chamber pipe. Using a small amount of soapy water will help. Do not get any water or soapy water on any electrical connections or gas control components (see Figure 52). (NOTE:
UNDUE PRESSURE OR SUDDEN FORCE SUCH AS HAMMERING OR BEATING ON THE AIR CHAMBER BOX WITH ANY OBJECT INCLUDING YOUR HANDS WILL DAMAGE THE AIR INTAKE CHAMBER BOX AND RESULT IN FAILURE TO THE HEATER’S OPERATION.
Figure 49. |
|
|
AIR INTAKE |
|
|
CHAMBER BOX |
|
|
REMOVAL |
|
|
| ROTATE FROM |
|
| LEFT TO RIGHT |
|
| AND |
|
| PULL OUTWARD |
|
| CHAMBER GASKET |
|
Figure 50. | RUBBER WIRE |
|
|
| |
| PROTECTOR |
|
WIRE HARNESS INSIDE |
| |
WIRE CHANNELING | REAR SIDE OF | |
|
| |
|
| THE AIR INTAKE |
|
| CHAMBER BOX |
AIR PRESSURE TUBING |
| |
CONNECTION |
| |
Figure 51.
REINSTALL
CHAMBER GASKET
NEW AIR INTAKE
CHAMBER BOX
Figure 52.
AIR INTAKE
CHAMBER BOX
INSTALLATION
ROTATE FROM
LEFT TO RIGHT
AND
PUSH INWARD
32