(2) Connect the electrical wires to the lift transducer.
(3) Install the NAS1149FN816P Washer(s) and/or NAS1149FN832P Washer(s) to make the forward edge of the lift
transducer flush or inset up to 0.010 inch with the outer surface of the porous panel.
(a) Make sure to install these washers in their original location and add or delete washers until the mounting plate is
flush with the porous panel.
(4) Put the lift transducer in the left wing porous panel cutout.
(5) Make sure that the lift transducer vane is at the mark that you made on the wing during the removal procedure.
(6) Put the upper edge of the mounting plate 0.00 to 0.13 inches from the porous panel and each side of the mounting
plate approximately a 0.04 inch distance from the porous panel.
(a) Make sure the space between the edges of the mounting plate and the porous panel is even and parallel.
(7) Install the lift transducer to the wing with the kept screws, washers, and new MS21044N08 nuts.
(8) Do an operational check of the stall warning system. Refer to Stall Warning System - Inspection/Check, Stall Warning
System Operational Check.
(9) Apply a fillet seal around the mounting plate of the lift transducer with U060031 Sealant.
(10) Install the lower wing panel 503BB with the attaching screws. Refer to Chapter 6, Access Plates and Panels
Identification - Description and Operation.
(11) Perform a Stall Warning Flight Operational Check. Refer to Stall Warning Flight Operational Check.
(12) If the stall warning signal did not sound within the specified airspeed range, do the Stall Lift Transducer Adjustment.
Refer to Stall Lift Transducer Adjustment (Airplanes 20800057 and On and 208B00001 and On).
4. Stall Warning Thermostat Removal/Installation
A. Remove Stall Warning Thermostat (Refer to Figure 201).
(1) Ensure airplane electrical power is OFF.
(2) Remove screws and access plate from lower surface of wing.
(3) Remove screws attaching thermostat to mounting bracket.
(4) Identify, disconnect electrical wires and remove thermostat.
B. Install Stall Warning Thermostat (Refer to Figure 201).
(1) Position thermostat up to wing and connect electrical wires.
(2) Position thermostat on mounting bracket and install screws.
(3) Install access plate to lower surface of wing using screws.
5. Stall Warning Horn Disconnect Switch Removal/Installation (Airplanes 20800316 and On and 208B0800 and On and
Airplanes 20800001 thru 20800315 and 208B0001 thru 208B0799 incorporating CAB00-1)
A. Remove Stall Warning Horn Disconnect Switch (Refer to Figure 201).
(1) Remove electrical power from airplane.
(2) Remove cabin floorboard panel 232AC. Refer to Chapter 6, Access Plates and Panels Identification - Description
and Operation.
(3) Identify and disconnect electrical wires from the switch assembly.
(4) Loosen screws and slide mounting bracket fully forward.
(5) Loosen screws securing switch assembly to mounting bracket.
(6) Remove switch assembly from airplane.
B. Install Stall Warning Horn Disconnect Switch (Refer to Figure 201).
(1) Position switch assembly on mounting bracket.
(2) Install screws to loosely secure switch assembly to mounting bracket.
(3) Slide mounting bracket fully forward and tighten aft screw.
(4) Rotate switch assembly up until cam lobe makes contact with lower surface of bell crank.
(5) Rotate switch assembly up 0.062 inch past actuation point and tighten screws to secure to mounting bracket.
(6) Loosen aft screw and slide mounting bracket fully aft.