TM 10-3510-226-23
0068 00
ADJUST-CONTINUED
Adjust the Burner Electrodes
WARNING
Ensure that all electrical power to the boiler is shut off and disconnected before
proceeding. The circuit breaker box or individual circuit breaker should be locked and
tagged out by personnel following this procedure. Remember that the CBL is a wet
environment. Serious injury or death to personnel can result from electrocution if proper
safety precautions are not observed.
WARNING
Ensure fuel is contained and not allowed to spill or spray into the CBL. Failure to observe
safety precautions may result in a fire, with the possibility of serious injury or death to
personnel.
WARNING
Allow the boiler and any associated hot water pipe, tubing or fixtures to cool at least 30
minutes before attempting any repairs. Failure to observe safety precautions may result
in serious injury or death to personnel.
1. Disconnect power by switching the circuit breaker to off.
2. Remove the screws retaining the transformer (Figure 11, Item 3) and swing the transformer up and
out of the way.
3. Loosen the compression nut retaining the fuel solenoid (Figure 11, Item 21) to the nozzle assembly
(Figure 11, Item 22).
4. Remove the locknut retaining the nozzle assembly (Figure 11, Item 22), and remove the nozzle
assembly.
5. Loosen the screws retaining the electrodes (Figure 11, Item 23) to the nozzle assembly (Figure 11,
Item 22), and position the electrodes approximately 1/4 inch apart, just above the nozzle (Figure 11,
Item 24).
6. Tighten the screws retaining the electrodes (Figure 11, Item 23).
7. Install the nozzle assembly (Figure 11, Item 22) into the burner, and retain with locknut.
8. Connect the fuel solenoid (Figure 11, Item 21) to the nozzle assembly (Figure 11, Item 22), and
tighten compression nut.
Change 1
0068 00-19