180-BX24.1 v1.00
May 27, 2020
Page 37
BX24.1
5. Remove the two 1/4-20 bolts and washers that hold the dome guard in place, be sure to support the
dome guard during this process is it will come loose. Once the dome guard is removed, unthread the
two 1/4-20 coupling nuts that spaced the dome guard from the dome bottom.
BOLT AND
WASHER
DOME
GUARD
COUPLING
NUT
6. Remove the fourteen remaining 1/4-20 nuts from the dome bottom as well as the bypass shield. Lift
the bypass door gasket retainer assembly upwards (enough to clear the threaded posts from the dome)
and remove through the combustor opening. Once removed, ensure all debris is cleared from the inner
surface of the dome.
BYPASS DOOR
GASKET ASSEMBLY
BYPASS
SHIELD
MAINTENANCE