WEIGHING PROCEDURES
In preparation for weighing and calculating the empty weight of the TKS Ice
Protection System equipped KODIAK 100, the TKS Ice Protection System
must be drained of all uid.
CONSOLE RESERVOIR CONFIGURATION
Drain the uid from the tank through the drain valve, which is located on the
right side of the aircraft under the aft fuselage.
CARGO COMPARTMENT RESERVOIR CONFIGURATION
Drain the uid from the tank through the quick-drain valve located on the
reservoir sump, which is accessed by removing the access cover in the
protecting bulkhead. A short length of exible tubing will be necessary to
direct the uid out of the cargo compartment door.
When drained, no appreciable amount of uid will remain in the tank.
After this procedure, follow the preparation and weighing instructions
contained in “Section 6” of this manual.
9.4-7 AIRPLANE & SYSTEMS DESCRIPTIONS
SYSTEM OPERATION
During normal system operation, the metering pumps pull Ice Protection
Fluid from the Reservoir Tank. Both metering pumps are controlled by the
pump control unit which controls the operation of the windshield pump and
both metering pumps when NORMAL, HIGH, and MAX modes are selected
and/or the WINDSHIELD switch is selected via the switch panel. The
selected operating mode is annunciated on the PFD. In the event of a pump
control unit failure, the pump control unit may be bypassed by placing the
BACKUP Switch in the ON position.
From the metering pumps, the uid ows through a high pressure switch
and then an in-line lter. The location of the high pressure switch is intended
to send a high pressure signal to the G1000 in the event of a clogged lter.
From the lter, the uid ows through a ow transducer which provides uid
ow rate to the G1000. The uid then continues to a tee that splits the ow
between the forward and aft portions of the system.
The forward line runs to a three-port proportioning unit which divides the ow
into specic volumetric requirements for each gear leg porous panel and to
the propeller slinger ring.
The aft line provides uid to the wings, wing struts, vertical stabilizer, and
horizontal stabilizer. The aft line tees twice to supply three proportioning
units (one for each wing/wing strut and one for the empennage).
The windshield pump, located between the main landing gear cross tubes,
supplies the windshield sprayers with uid and also acts as a priming pump
for the main metering pumps in case air gets trapped in the system.
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