d.Remove wires to Flame
e.Remove air diffuser screen.
f.Remove Burner Access Panel.
g.Mark location of Main Burner with Pilot Bracket on gas manifold.
h.Hold Main Burner on throat. Lift front of burners to clear orifice. Burner which holds pilot can be removed by lifting the burner adjacent to its right first.
2.Disconnect Vent Connector and Vent Pipe from Blower Outlet
3.Remove Jacket Top Panel.
4.Disconnect the Black and Gary Silicone Tubing from the Canopy.
5.Disconnect Wiring Harness from Blower Motor.
6.Remove Canopy/Blower Assembly.
a.Loosen the (4) screws from Canopy.
7.Remove Flue Gas Baffles. Inspect Flue Gas Baffles for deterioration.
8.Inspect flue passages. Clean with flue brush. See
Figure 44.
9.Inspect heating surface in combustion chamber. Clean with straight handle wire brush.
10.Install Flue Gas Baffles.
11.Replace Canopy/Blower Assembly.
12.Connect Silicone Tubing between Pressure Fittings on Canopy Assembly and Pressure Switch. Route through bushings in Vestibule Panel . See Figure 42.
Figure 42: Silicone Tubing Assembly
13.Install Jacket Top Rear Panel.
14.Connect Vent System. See Figure 43.
15.Connect Blower Motor Wiring Harness.
|
| Figure 43: Blower Vent Connector Assembly | |
Table 14: Pilot Burner Location |
|
| |
|
|
|
|
Boiler Model | Main Burner with Pilot Bracket |
| Pilot Burner Located Between Main Burners * |
|
|
|
|
2 |
| 2 & 3 | |
|
|
|
|
3 |
| 3 & 4 | |
|
|
|
|
4 |
| 4 & 5 | |
|
|
|
|
5 |
| 5 & 6 | |
|
|
|
|
6 |
| 6 & 7 | |
|
|
|
|
7 |
| 7 & 8 | |
|
|
|
|
8 |
| 8 & 9 | |
|
|
|
|
* Main burners numbered left to right as viewed from front of boiler.
72
