Learjet 60 - Aileron Trim Indicator

Learjet 60
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Pilot's Manual
AILERON TRIM INDICATOR
Aileron trim tab position indication is provided by the
All, TRIM indi-
cator located on the center instrument panel
. Two semi-circular scales
and pointers present the trim tab position
in terms of LWD (left wing
down) and RWD (right
wing down) . The scale markings represent in-
crements of
trim
tab travel . The indicator receives aileron
trim tab
position inputs from a potentiometer in the roll trim actuator
. The indi-
cator operates on 28 VDC supplied
through the 2-amp TRIM-FLAP-
SPOILER INDICATOR circuit breaker on the copilot's circuit breaker
panel . The AIL TRIM indicator will be operative during
EMER BUS
mode .
YAW TRIM
Yaw trim is accomplished by positioning
the
rudder
trim tab on the
lower tr~uling edge of the rudder
through actuation of the yaw trim ac-
tuator
. The yaw trim actuator is an electrically-operated, rotary-type ac-
tuator connected to the rudder trim tab by two
push-pull rods . Yaw
trim is pilot controlled through the
RUDDER TRIM switch on the ped-
estal . Trim tab position
information
is
provided by the RUDDER TRIM
indicator on
the center
instrument panel . The yaw trim system operates
on 28 VDC supplied through the 7 .5-amp YAW TRIM circuit breaker on
the pilot's circuit breaker panel .
PM-123
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