Piper PA-28-236 DAKOTA, Pilot Operating Handbook

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SECTION 9 PIPER AIRCRAFT CORPORATION
SUPPLEMENT 9 PA-28-236, DAKOTA
REPORT: VB-910 ISSUED: JULY 23, 1982
9-74
The airplane MASTER SWITCH function is unchanged and can be used
in an emergency to shut off electrical power to all flight control systems
while the problem is isolated.
The RADIO POWER switch supplies power to the avionics buss bar of
the radio circuit breakers and the autopilot circuit breaker.
The following circuit breakers are used to protect the following elements
of the King 150 Series Autopilot:
AUTOPILOT - Supplies power to the KC 192 or the KC 191
Computer, the autopilot pitch and roll servos, and the Pitch Trim
Circuit Breaker.
PITCH TRIM - Supplies power to the autotrim and manual electric
pitch trim systems.
COMP-SYSTEM - Supplies power to the optional KCS 55A Compass
System.