Harsco Industrial MODU-FIRE FORCED DRAFT N750, Инструкция по установке и эксплуатации

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MODU-FIRE® Forced Draft Gas-Fired Boiler
34
5.2 C
LEANING THE
B
URNER
5.2.1 Burner Assembly
1.
Follow proper lockout / tagout procedures for the electrical, gas, and water connections. Use caution when
lifting heavy parts.
2. Remove top and side covers from the boiler.
3. Disconnect the gas union, high gas pressure switch wires and the wire plug connector to the blower. Discon-
nect the UV scanner, ignition wire, ground wire and the wires to the back pressure switch.
5. Disconnect the air gas mixer sensing tubes. Note: these tubes are color coded and must be correctly reins-
talled.
6. Remove the blower/air gas mixer assembly from the top of the burner.
7. Clean the blower vanes. Do not disassemble the blower motor or aluminum housing.
8. Remove the burner using the four hold down screws.
9. Clean the burner to remove any soot or foreign material that may have accumulated. Blow the burner with
compressed air or wash off (do not scrub or use wire brush).
10. Check that gap between the electrode and the ground rod. It should be 1/8” (+1/16, -0). For Propane, the gap
should be exactly 1/8”.
Blower
Ignition Assembly
Burner Grid
Air-Gas
Mixing Head