Page 71.7A Chapter 71 Powerplant JUL 2020
71-11 Preparing Engine for Rolls-Royce Maintenance Facility (continued)
6. Disconnect F741-1 line assembly from G426-1 switch assembly and fuel pump’s
A919-0D reducer and remove line.
7. Disconnect F727-1 line assembly from fuel pump’s AN919-2D reducer. Disconnect
F727-2 line assembly from engine fireshield’s drain fitting. Remove hardware securing
MS21919WCH4 clamp the combustion section’s plug flange and remove lines.
8. Remove AN919-0D and AN919-2D reducers, and G426-1 switch assembly, from fuel
pump.
9. Remove hardware securing F593-3 plate to bottom of engine gearbox and remove plate.
10. Remove bolt, spacer (if installed), and G732 cap securing F018-1 clutch assembly in
engine gearbox and remove clutch assembly.
11. Remove AN815-8D union from engine gearbox TANK VENT port, AN815-8D union
or CV26-77 check valve (early R66s) from OIL OUTLET port, and AN815-10D union
from OIL INLET port. Remove D745-3 pressure switch assembly from engine gearbox.
12. Cut and discard safety wire (if present) and remove hardware securing G200-1 engine
lifting lug and G200-2 cover to engine gearbox, if installed. Remove lug, cover, and
any residual B270-1 sealant.
NOTE
Removal of RHC-installed fuel-flow transducer (optional
equipment) is not required, but may be desired for use in spare
engine. Refer to § 28-23.
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