Piper SARATOGA PA-32-301 Maintenance Manual page 351

PIPER AIRCRAFT
PA-32-301/301T
MAINTENANCE MANUAL
FLIGHT COMPARTMENT.
INSTRUMENT AND PANEL LIGHTS.
The instrument and panel lights are broken up into five groups: Upper Panel Lights. Lower Panel Lights.
Console Lights. Coupler Lights and Compass Light. The instrument lights are controlled by a 5 amp circuit
breaker through a transistorized dimmer.
DIMMER CONTROL ASSEMBLY.
The dimmer control is located on the lower right instrument panel to the right of the power quadrant.
There is one control knob connected to a variable resistor that controls the intensity of the instrument lights.
There is a second control knob connected to a variable resistor which controls the light intensity for all the
avionic equipment. It may be necessary to gain access to the Dimmer Control Assembly: if so follow the
instructions given below.
REMOVAL OF DIMMER CONTROL ASSEMBLY.
1. Access to the Dimmer Control Assembly is from beneath the instrument panel.
2. Disconnect the electrical connection from the assembly.
3. Remove the two screws securing the assembly to the instrument panel.
4. Remove assembly from the airplane.
INSTALLATION OF DIMMER CONTROL ASSEMBLY.
1. Position the assembly in the instrument panel with the control knobs inserted into their appropriate
slots.
2. Secure the assembly to the instrument panel with the two screws previously removed.
3. Connect the electrical connection to the assembly.
4. Check operation of Dimmer Control Assembly.
SWITCH PANEL ASSEMBLY.
REMOVAL OF SWITCH PANEL ASSEMBLY.
1. Determine that power is removed from the circuit.
2. Locate and remove the dimmer control knob on the left side of the switch panel assembly.
3. Remove the three screws which secure the cover assembly and remove the cover assembly.
4. Remove the screws which secure the switch plate assembly to the switch plate mount assemblies.
5. Gently pull the switch plate assembly away from the cockpit side panel.
6. Now that access to the switches is attained they may be serviced as required.
33-13-01
Page 33-04
2D10
Revised: August 11. 1983
2D10