MACH® Series
5.1.4 Semi-Annually (every 6 months)
In addition to the recommended monthly service:
1.Clean burner of any accumulated dust or lint. See Section 5.2 on "Cleaning the Burner."
2.Inspect burner for any signs of deterioration or corrosion. Replace immediately if deterioration or corrosion is evident.
Installation and service must be performed by a qualified installer or service agency who has been trained on the
The blower motor is permanently lubricated and does not require periodic lubrication.
5.1.5 Annually
In addition to the recommended monthly service:
1.Inspect and clean the inlet screen of any accumulated dust or lint.
2.Check burner and clean off any soot or foreign material that may have accumulated. See Section 5.2 on "Cleaning the Burner." Check for corrosion of the burner and its parts. If there is evidence of deterioration or corrosion, replace immediately.
3.Inspect combustion chamber when the burner is removed for inspection. Note any signs of deterioration. Clean as necessary.
4.Inspect and clean heat exchanger. Use vacuum to remove accumulations from the heat exchanger pins and surfaces. Clean the casting pins by flushing with clean water and air drying. Do not use any cleaning agents or solvents. A soft nylon brush may be used in accessible areas.
5.Drain and flush the inside of the heat exchanger as required (separate from system flush).
6.Examine the venting system at least once a year. Refer to the vent manufacturer's instructions for requirements in addition to those listed below.
a.Check all joints and pipe connections for tightness.
b.Check pipe for corrosion or deterioration. If any piping needs replacing, do so immediately.
Maintenance
7.Qualified service personnel should thoroughly inspect the heating system and correct any problems prior to
8.Perform combustion analysis and readjust to manufacturer's specifications as necessary. It is recommended that a copy of this report is filed for future reference.
9.Perform a leak test of the gas valves in accordance with the manufacturer's instructions.
Installation and service must be performed by a qualified installer or service agency who has been trained on the
5.2CLEANING THE BURNER
1.Lockout and tagout gas supply to the boiler.
2.Lockout and tagout electrical power to the boiler.
3.Remove the top cover of the boiler.
4.Disconnect the electrical connections to the blower and gas safety shut off / control valves.
5.Unbolt burner hood and remove the gas train assembly.
6.Carefully remove the burner. Use low pressure air to remove any dust or lint from the burner. Using a soft clean cloth, wipe the inside surface of the burner. DO NOT wipe the mesh side (flame side) of the burner.
5.3AFTER ALL REPAIRS OR MAINTENANCE
1.Follow
2.Check gas pressure. (Section 3.12.2.)
3.Perform combustion check. Adjust gas flow if necessary. (Section 3.12.4.).
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