TM 5-4520-253-13
REPAIR BURNER HEAD ASSEMBLY (CONT)
4.
5.
6.
7.
8.
Check deflector tube (1) and metering ring (2)
for broken welds.
Check cone (3) and vane plate (4) for looseness
and distortion. Check for burned or eroded areas
indicating general deterioration.
Check blower tube (5) and igniter seat (6) for
cracked or broken brazing. Check threads of
igniter seat for stripping.
Minor dents may be straightened. Replace
burner head assembly having cracks, holes,
loose baffles, stripped threads, or showing
advanced deterioration.
Replace gasket if copper cover on gasket is
cracked or badly distorted.
4-66