Owner's manual
62-G 1/01
Maintenance
Problem Cause Remedy
Boiler will not 4. Scale Built up in boiler Refer to Section 2 “Pressure Vessel Cleaning”.
maintain pressure
5. Refractories Check refractories to see if they are cracked or
broken in pieces. Replace as necessary.
6. Steam traps Check traps to see if they are clean or replace as
blowing through. necessary.
7. Boiler size. Boiler may be undersized.
Boiler is Surging 1. Steam traps blowing Check traps to see if they are clean or replace as
through necessary.
2. Perc (cleaning solvent Clean boiler with washing soda per
in boiler) instruction manual.
3. Scale build-up or lime Call water treatment professional and consult factory.
deposits.
4. Too much compound in Dump return tank and flush system. Have water tested by
system (water treatment) water treatment company.
5. Too much water Have water tested by water treatment company.
softener (high PH)
6. Too much of a load Check total equipment horsepower required against
horsepower of boiler being used. Decrease amount of
equipment being used at one time.
7. Boiler new (not Clean per instructions in instruction manual.
cleaned).
Boiler Rumbles and 1. Draft problem Check draft with a gauge. Draft should be a -.02 " to -.04"
Pulsates W.C. with burner off or -.04" to -.06" W.C. when
operating. May need to install a barometric damper.
2. Too much primary air (See primary air adjustment)
Boiler pushing water 1. Steam Traps Check traps. Clean or replace as necessary.
with the steam
2. Too much boiler Dump return tank and flush system . Have
compound water tested by water treatment company.
Pump will not cut off 1. Dirty Probes Clean or replace as necessary.
2. Relay failed Make sure relay is plugged in tightly. If so,
replace water level relay.
3. Ground Connection Check for tightness and clean.