TM 55-2840-254-23
6-7
6-7 PRESERVE FUEL CONTROL (Continued)
8.. Install 9/16 inch-12 point deep socket (10) on
N1 drive spline (11).
NOTE
ln following step, N1 power lever pointer
shalI be cycled from N1 power lever low
stop to N1 power lever high stop posi-
tions a minimum of three times.
9. Using helper to support fuel control, use socket
wrench handle (12) to rotate N1 drive spline
(11) counterclockwise. Cycle N1 power lever
(13) and continue rotating N1 drive spline(11)
until all fuel is flushed out by oil.
10. Remove socket wrench handle (12), and socket
(10) from N1 drivespline(11).
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