Fuel Systems - Webster JB Series Installation, Startup, Operation And Maintenance Manual

The JB burner can be equipped with a wide range of fuel and operating systems to control the fuel, air, modulation
and pilots. This section describes how these systems operate. Burner start-up is expected to be done by service per-
sonnel who are qualified in the basics of mechanical know-how. The following illustrations and information is supplied
to identify the various fuel; air and ignition devices that have Adjustment Features. All adjustments can be done with
common place tools normally carried by burner and boiler service personnel.
Refer to the bulletins included in the manufacturer's data section of the burner instructions manual for items shown
below.
1. Pressure atomized oil systems
"A" - On - Off
Return to Tank
(No Manual Valves
in this line)
Supply Line
"L" - Low Fire Start or "H" - Low - Hi - Low
JB Manual
F. FUEL SYSTEMS
Check Valve
By Others
Shutoff Valve
Suction
By Others
Unless Specified on Order
Field Piped
Low Fire Bypass Regulator
N.O. Low Fire
(Adjustment for Low Fire
Bypass Oil Valve
Approx. 100 - 125 PSI)
2 or 3 1 (IN)
(out)
High Fire Cylinder
Louver Actuator
Field Piped
Check Valve
Return to Tank
(No Manual Valves
in this line)
Shutoff Valve
Suction
Supply Line
Field Piped
NOTE
1
Gauge Port
Adjustment
1
Check
Strainer
Valve
Press. Sw
1
1
By Others
Check
Strainer
Valve
By Others
Unless Specified on Order
Page 20
Safety Oil
Main Oil
Solenoid Valve
Solenoid Valve
Oil Pump
Notes & Options
These Lines are Field
1
Piped if a Remote
Pump is Used
2
Main Oil
Low Oil
Safety Oil
Solenoid
Solenoid Valve
Valve
.
IN IN
Gauge Port
Adjustment
Oil Pump
Notes & Options
These Lines are Field
1
Piped if a Remote Pump
is Used
Required Above 20 GPH
2
if a Remote Pump is Used
Oil Nozzle
Oil Nozzle

Fuel Systems