180-AF25 v1.11 per PE32 revs
March 15, 2021
Page 37
AF25
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 twelve remaining 1/4-20 nuts from the dome bottom. 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.
MAINTENANCE