4-20 INSTALL PRIMARY AND SECONDARY FUEL NOZZLE ASSEMBLIES (AVIM) (CONT)
To prevent damage to nozzle align-
ment pin, care should be taken to
align shroud pin hole to nozzle pin.
N O TE
As all tubes and connectors are
installed/connected, all protective
caps/plugs shall be removed.
Prior to assembly, components will
be visually inspected for obvious
Remove pressure sensitive tape from primary
and secondary fuel nozzle assembly mount holes.
Clean tape residue from combustor case
using 1,1,1-trichloroethane (D41).
Install atomizer shrouds (1) into combustor
Press primary fuel nozzle assemblies (3) in
atomizer shrouds (1).
Install nozzle seal plates (2) on primary fuel
nozzle assemblies (3).
Apply antiseize compound (D7) on bolts (5)
and studs (6).
Alternate tightening sequence
until primary and secondary fuel
nozzle assemblies mate with com-
Install primary fuel nozzle assemblies (3) at
4 and 8 oclock positions. Secure with washers
(4) and bolts (5).
Install last primary fuel nozzle assembly (5)
at 12 oclock position. Secure with washers (4),
bolt (5) and stud (6).
Press secondary fuel nozzle assemblies (8) in
atomizer shrouds (l).