Carburetor Ice Dectection System - Piper CHEROKEE WARRIOR II Information Manual

SECTION 7
DESCRIPTION AND OPERATION
7.39 CARBURETOR ICE DETECTION SYSTEM*
PIPER AIRCRAFT CORPORATION
PA-28-161, CHEROKEE WARRIOR II
A carburetor ice detection system is available as optional equipment.
The system consists of a control box mounted on instrument panel, a probe sensor mounted in the
carburetor and a red warning light to indicate the presence of ice in the carburetor. If ice is present apply full
carburetor heat. Refer to 3.28. Carburetor Icing, in the emergency procedures. To adjust the system for critical
ice detection, first turn on the airplanes master switch and then turn on the ice detection unit. Turn the
sensitivity knob fully counter clockwise causing the carb ice light to come on.Now rotate the sensitivity knob
back (clockwise) until the ice light just goes out. This establishes the critical setting.
WARNING
This instrument is approved as optional equipment only and Flight
Operations should not be predicated on its use.
*Optional equipment.
RF.PORT: VB-880
7-26
ISSCED: JllLY 11. 1977
REVISED: MAY 30, 1980