ADVANCED AVIATION FORWARD AREA REFUELING SYSTEM MODEL M100A1
REPLACE PANEL LIGHTS DIMMER POTENTIOMETER R1
Screwdriver, Cross Tip, #2
Combination Wrench, 1/2"
Pliers, Long Nose, 8"
Key, Socket Head Screw, .050"
Remove the twenty-four screws (1) and flat washers (2) that secure the control panel (3) to the control box.
Lift the control panel (3) from the control box and set on edge convenient to potentiometer R1 (4).
Remove tiedown straps as required.
Access to potentiometer R1 is partially blocked by an L-shaped bracket. To provide
easier access and prevent damage to other components, separate the bracket from the
control panel and move aside. The wiring harnesses have enough slack to allow this.
Remove the three screws (5) and flat washers (6) that secure the "L" bracket (7) to the panel. Move the bracket aside for
access to potentiometer R1 (4).
Tag leads (8) near terminals of potentiometer R1 (4) for installation on replacement potentiometer R1 (4).
Desolder leads (8) from potentiometer R1 (4) terminals.
Loosen two set screws (9) and remove control knob (10).
Remove nut (11) and lock washer (12) that secure potentiometer R1 (4) to control panel (3).