Daily During Heating Season; Monthly During Heating Season - Weil-McLain PFG 7 Series Installation & Operation Manual

PFG S 7 G
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Suggested Minimum Service Schedule
for Qualified Service Technician Only
Beginning of each heating season:
1. Annual service call by a qualified service agency.
. Check burners and flueways and clean if necessary. Reference "To clean boiler heating surfaces" and "To clean main
3. Visually inspect base insulation. Reference "To inspect base insulation," page 17.
4. Follow procedure "To place in operation," page 17.
5. Visually inspect main burner flames. Refer to "Check main burner flames," page 17.
6. Check pilot burner flame. Refer to page 17.
7. Visually inspect venting system for blockage, deterioration or leakage. Reference "Inspect venting system,"
8. Check operation of low water cut-off, if used, and additional safety devices. Refer to manufacturer's instruc-
9. Check that boiler area is free from combustible materials, gasoline and other flammable vapors and liquids.
10. Check for and remove any obstruction to the flow of combustion or ventilation air to the boiler.
11. Follow instructions on circulator to oil, if oil lubricated. Over oiling will damage the circulator. Water lubricated

Daily during heating season:

1. Check that boiler area is free from combustible materials, gasoline and other flammable vapors and liquids.
. Check for and remove any obstruction to the flow of combustion or ventilation air to the boiler.
Periodically during heating season:
1. Check relief valve. Reference manufacturer's instructions on relief valve tag.
. Test low water cut-off, if used. Blowdown if low water cut-off is float type. Reference manufacturer's instruc-

Monthly during heating season:

1. Check for leaks in the boiler and piping. If found, repair at once.
. Visually inspect main burner flames. Reference "Check Main Burner Flames."
3. Check pilot burner flame. Refer to page 17.
4. Visually inspect venting system for blockage, deterioration or leakage. Reference "Inspect venting system,"
5. Check automatic air vent for leakage. If leaking, remove vent cap and push valve core in to wash off sediment that
End of each heating season:
1. Follow "Annual shut-down procedure," page 18.
16
- W B
Fired ater oiler
burners," page 18.
page 18.
tions.
circulators do not need oiling.
tions.
Leaks must be repaired at once. Failure to do so can cause boiler damage, resulting in substantial
property damage.
Do not use petroleum-based sealing compounds in boiler system. Severe damage to boiler will result,
causing substantial property damage.
page 18.
may have accumulated on the valve seat. Release valve, replace cap, and open one turn.
— B M
oiler anual
Part Number 550-110-641/0605