19
Oil Supply
Check tank for oil.
Check for water in oil tank using
a dip stick coated with litmus
paste.
Listen for pump whine.
Oil Line
Open pump bleed port and start
and Filter
burner. Milky oil or no oil
indicates loss of prime.
Listen for pump whine.
Oil Pump
Install pressure gauge in port of
fuel pump. Pressure should be
according to the installer/service-
man labels for Series I & II
boilers.
Ignition
Connect transformer leads to line
Transformer
voltage. Listen for spark. Check
that transformer terminals are not
arcing with buss bars. Check that
transformer is properly grounded.
Ignition
Remove and inspect drawer
Electrodes
assembly.
Nozzle
Check for faulty nozzle.
Inspect nozzle for correct size
and specifications.
Combustion
See “Burner Adjustment
Air
Instructions” in this manual.
Adjustments
Empty tank.
Water in oil tank.
Fuel supply valve closed.
Air leak in fuel system.
Oil filter plugged.
Plugged pump strainer.
Restriction in oil line.
Pump worn - low pressure.
Motor overloads.
Coupling worn or broken.
Pump discharge pressure set
too low.
No spark or weak spark.
Line voltage below 102V.
Carboned and shorted
electrodes.
Eroded electrode tips.
Incorrect electrode settings.
Cracked porcelain insulators.
Plugged orifice or distributor.
Plugged nozzle strainer.
Poor spray pattern.
Incorrect nozzle installed.
Air shutter open too far.
Air band open too far.
Fill tank.
Strip tank of water exceeding
2" in depth.
Open valve.
Repair leak, using only flared
fittings. Do not use Teflon
tape on oil fittings.
Replace filter cartridge.
Clean Strainer.
Repair oil line.
Replace pump.
Replace coupling.
Set pressure according to the
installer/serviceman labels for
Series I & II boilers.
Replace transformer.
Call utility company.
Clean electrodes.
Replace and reset
electrodes.
Replace and reset electrodes.
Replace nozzle with nozzle
according to the installer/
serviceman labels for Series I & II
boilers.
Install correct nozzle.
Decrease air shutter setting.
Decrease air band opening.
SOURCE
PROCEDURE
CAUSES
REMEDY
TROUBLE: BURNER STARTS BUT DOES NOT ESTABLISH FLAME
When checking burner adjustments always use instruments.
