Part number 644-500-065/0200
13
QB-180/300 Oil Burners Series 2
— Burner Manual
If burner starts and
has a smoky flame
Check for:
❏
Insufficient combustion air
❏
Improper mixing of oil and air
❏
Insufficient draft
❏
Flame impingement on target
wall or crown sheet of boiler
❏
Nozzle afterdrip due to faulty
solenoid or cutoff valve
If you hear
mechanical noise
from the burner
❏
Loose fan
❏
Air in oil line
❏
Defective pump gears
❏
Obstructed suction line
Check for:
❏
Defective motor bearings
❏
Pump and motor shaft mis-
aligned
❏
Defective ignitor
❏
Defective primary control
If you hear
combustion noise
Check for:
❏
Insufficient draft in breeching
or overfire
❏
Improper mixing of oil and air
❏
Incorrect attenuating air band
setting
❏
Incorrect adjustment cam set-
ting
❏
Loose or dirty fan
If there is puffback
from burner
Check for:
❏
Delayed ignition
❏
Nozzle afterdrip due to poor
cutoff
❏
Excessive draft
❏
Incorrect attenuating air band
setting
If there is nozzle
drip
Check for:
❏
Air in supply line from oil tank
to fuel pump
❏
High vacuum
❏
Hot nozzle or gun assembly due
to improper draft, misadjusted
burner or blocked flueways in
boiler
