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4. Provide a means of supplying continuous fresh water
to the boiler for the cleaning process.
5. Use common washing soda, such as Arm and
Hammer Super Washing Soda. Mix 1/2 pound of
soda with water in a 10 quart pail. Pour the mixture
into the boiler through the safety relief valve tapping.
6. Open the skim valve. Fill boiler until water begins to
flow out of the valve.
CAUTION
Do not leave boiler unattended while firing burner.
Operating boiler with water below minimum
permissible water level may fracture sections.
7. Turn on burner. Allow boiler water to heat up to just
below steaming (180 - 200°F). Do not allow boiler
to steam; steaming mixes up contaminants instead of
floating them at surface.
8. Open make-up water valve to continually feed water
to boiler. Adjust flow to maintain water temperature
at 180 - 200° F.
CAUTION
Do not allow make-up water to flow too fast.
Excessive quantities of cold water may fracture
sections.
9. Continue skimming boiler until water flowing from
skim tapping flows clear. This will take some time,
possibly several hours for a dirty system.
10. Turn off burner, close make-up water valve.
Table 5.1: Beckett Burner Specifications
Boiler
Burner
Model No.
Model No.
1
SBO-3085
AFG-F3
SBO-3105
AFG-F4
SBO-4125
AFG-F4
SBO-4150
AFG-F6
Factory Equipped Burner Cartons are indicated in Boldface.
1 Requires Low Firing Rate Baffle.
2 Parts required to convert factory equipped burner to operate at alternate lower firing rate are provided in rerate kits, sold separately.
BECKETT BURNER SPECIFICATIONS
Burner
Static
Nozzle Size
Head
Plate
F3
3-3/8"
0.75 80° B HAGO
F4
3-3/8"
0.90 80° B HAGO
F4
3-3/8"
1.10 80° B HAGO
F6
2-3/4"
1.25 80° B HAGO
BURNER SETUP & BOILER OPERATION
11. Drain boiler completely. Refill and drain one or two
times to wash out all washing soda.
12. Remove skim valve and piping. Install 1-1/4"NPT plug
in skim tapping.
NOTICE
If gauge glass becomes dirty more contaminants
have worked loose in system. Repeat cleaning and
skimming process as needed to clean system.
Start-up Settings
Pump
Pressure
Air Shutter
2
140 PSI
6.0
140 PSI
6.0
2
140 PSI
5.0
140 PSI
8.0
Head
Setting
Air Band
1
N/A
0
N/A
2
N/A
1
N/A
11
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