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deceleration is produced at the highest speed; however, the chute is
still effective at speeds below 60 knots. Because the chute lanyard is attached
near the aircraft center of gravity, weather vaning is minimized
when the chute is deployed under crosswind conditions . The chute
mechanism includes inadvertent deploy safety features. With the deploy
handle in the stowed (down) position, the chute lanyard is unlocked
from the aircraft structure. Accidental release of the chute in this
condition would result in immediate separation of the chute from the
aircraft. Should the chute be inadvertently deployed while airborne,
the chute will fail at speeds in excess of approximately 167 knots.
DRAG CHUTE HANDLE
The DRAG CHUTE handle, on the right-side of the pedestal, controls
the drag chute deploy and jettison functions. To deploy the drag chute,
"squeeze" the handle firmly to release the handle locks and, without
hesitation, pull handle to full extension. Pulling the handle to full extension
requires approximately 50 pounds (222 newtons) of force. To
jettison the chute, after deployment, squeeze handle firmly and push
the handle full down. It is recommended that the aircraft be headed
into the wind to avoid fouling the chute on the aircraft. For detailed operating
instructions, limitations, and preflight check, refer to the FAA
Approved Drag Chute AFM Supplement.
PM-121
7-5
Change 3
Pilot's Manual
Learjet 31A
MISCELLANEOUS EQUIPMENT
MONOGRAM Toilet
This flush-type toilet may be installed in the aircraft as optional equipment.
The flush cycle is initiated by pressing the Press to Flush button
on the seat and shroud assembly. Flushing continues until the push
button is released. During the flushing cycle, flushing fluid is pumped
from the waste tank to the bowl by the self-priming pump assembly.
The flush fluid enters the bowl and washes the inner surface of the
bowl. Waste is carried to the waste tank through the knife valve below
the bowl.
Caution:
When servicing the toilet, any spillage should be cleaned
immediately from contact with surrounding structure.
Servicing of the toilet is accomplished by removing the tank assembly
located at the bottom of the bowl. The tank assembly detaches from the
toilet at the front of the unit. Two fasteners, one on each side of the knife
valve, secure the installed tank in the sealed position against the bottom
of the bowl. Detach and drain the flush line at the quick disconnect,
depress the two fasteners, and pull the carrying handle. The tank may
now be easily removed for servicing .
The toilet receives 28 VDC supplied through the 10-amp TOILET circuit
breaker on the CABIN PWR BUS (overhead panel between the two
crew members).
ALAMO Toilet
This flush-type toilet may be installed in the aircraft as optional equipment.
The flush cycle is initiated by closing the toilet seat cover. A flap
will automatically close, thereby sealing the waste container. Flushing
fluid is pumped from the reservoir around the bowl and back to the reservoir.
Caution :
When servicing the toilet, any spillage should be cleaned
immediately from contact with surrounding structure.
Servicing of the toilet is accomplished by removing the sealed waste
container from the toilet assembly. Lift the strap at the rear of the lid assembly
to the full open position . Remove waste container sealing lid
from bracket and snap into place on waste container. Remove waste
container and dispose of contents.
The toilet receives 28 VDC supplied through the 10-amp TOILET circuit
breaker on the CABIN PWRBUS (overhead panel between the two
crew members).
7-6
PM-121
Change 3
Learjet 31A
Pilot's Manual
SECY909 fly
ELECTRICAL & LIGHTING
TABLE OF CONTENTS
DC Power Distribution .................................................................. ...........4-1
BATTERYSwitches ...............................................................................4-3
START-GEN Switches ..........................................................................4-3
START Lights .........................................................................................4-4
GEN RESET Buttons .............................................................................4-4
GENLights ............................................................................................4-4
DC Generation and Start (Figure 4-1) ............................................ .... .4-6
DC Power Distribution (Figure 4-2) ...................................................4-7
CUR LIM Light.......................................................................................4-9
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