TM 55284025423
1108 ADJUST FUEL CONTROL (N1) (Continued)
1108
e. Note N1 speed percentage and ambient tem-
perature when the bleed band closes.
f.
Determine the correct N1 speed percentage
required for closure as follows:
(1) Find the ambient temperature (7) noted in
step e. on chart (8).
(2) Find N1 speed (9) noted in step e. on
chart (8).
(3) Locate actual closure point on chart
where N1 speed percentage (9) and am-
bient temperature (7) meet.
(4) Actual closure point shall be within bleed
band closure curve (10).
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