VM1000C Pilot’s Guide Page
29
digital temperature like "125 IAT". On non-turbo engines the IAT in
reality is the Carburetor temperature and displayed as “34 CRB”.
Carburetor (CAT) Probe Installation (Optional)
Use the J1 connector harness 700200
and insert the yellow wire into the
connector pin 5 and the red wire into
pin 6. All wiring must be type K
thermocouple wire. Do not splice
ordinary copper wire in any
temperature probe circuits. Locate the
access hole (1/4-24 thread) in the
carburetor near the butterfly valve.
Remove the screw plug now in that
hole and screw the CRB probe into the
carburetor throat. No drilling or
machining of the carburetor is
necessary.
Oil Temperature Probe Installation
Follow any installation instructions included with the 5/8-18 thread
probe. Before installing the transducer, twist the red and black leads
together, so there is a twist approximately every ½ inch or so. The
transducer is mounted on the engine using and is designed for
mounting according to MS28034-1 for most USA aircraft
manufactured engines. Consult your engine manual for the proper
installation location and compatibility. A gasket is supplied for use
with the temperature transducer. Install transducer before connecting it
to the cable.
CAT probe
placement
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