PIPER AIRCRAFT, INC.
PA-28-161, WARRIOR III
MAINTENANCE MANUAL
PAGE 3
Nov 30/06
4J23
71-60-00
(2) Installation
(a) If plug is installed, remove plug from carburetor housing just below throttle valve on the
forward side of carburetor.
CAUTION: DO NOT BEND PROBE COMPONENTS.
(b) Open throttle valve and carefully screw in probe. When installed, index mark on probe
housing must face carburetor air inlet. If necessary use shims to position probe properly.
(c) Tighten probe as much as possible, by hand, and then only a quarter turn more using a
3/8 inch short handle open end wrench.
(d) Connect appropriate wires and position sleeves over connectors. If heat shrink has not
been used, tie with no. 6 electrical lacing wire.
(e) Clamp or ty-wrap probe harness each 12 inches to prevent cable movement due to
engine vibration. Allow 6 to 8 inches slack between the clamping at the carburetor and the
clamping at the engine mount to allow for movement
E. Component Testing
Individual testing of either the instrument or probe may be performed using a previously tested and
accepted probe or instrument, respectively.
CA
UTION: DO NOT ATTEMPT TO TEST PROBE OR INSTRUMENT BY APPLYING VOLTAGE. A
VOLTAGE OVER 2 VOLTS WILL BURN OUT PROBE LAMP, THE SENSOR AND THE
INSTRUMENT RED LIGHT SWITCHING TRANSISTOR.
NOTE: No useful measurements can be taken with an ohmmeter connected to the probe.
NO
TE: Aircraft & Rotorcraft Products, Inc. is the only FAA approved repair station for the ice
detector instrument. Return defective instruments to:
ARP, Inc.
2 Middle Cross Road
Shoreham, NY 11786-1440
Phone (631) 744-1893
(1) Instrument Test
Performed with a known good probe.
(a) Setup
1 Turn the power supply power switch to the OFF position.
2 Set the instrument power switch to the OFF position and turn the sensitivity
adjustment knob to full counter-clockwise (CCW) position.
3
Attach the instrument's power wires to the power supply (instrument's RED power
supply wire to the [+] terminal on the power supply, and BLK wire to the [-] terminal).
4
Connect the instrument's three probe wires to the probe (RED to RED, WHT to WHT,
and BLK to BLK).
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