TM 10-7310-281-13&P
MODERN BURNER UNIT (MBU)
0023 00
UNIT MAINTENANCE PROCEDURES
0023 00-11
Replace Ignitor. Replace the ignitor every 2000 Hrs of operation or whenever recommended as part of a
troubleshooting procedure.
WARNING!
Hot Surfaces
Do not attempt service procedures on a burner that has recently been in operation. Let
the burner cool down before performing these procedures to avoid the possibility of
serious burns.
Remove Fuel Delivery Block (1) from burner tube mounting shafts as described earlier.
Disconnect ignitor power lead (2).
Loosen ignitor retainer screw (3) and remove ignitor (4) and bracket from the fuel delivery block (1).
CAUTION!
Ignitor Damage
When replacing the nozzle, be careful not to damage the ignitor.
Install new ignitor assembly (4), and tighten the retainer screw (3).
Connect the ignitor power lead (2).
