CHAPTER 77
PAGE 16
MAINTENANCE MANUAL EXTRA 300LT
PAGE DATE: 24. February 2017
77-41-06 Probes and Transducers
The CHT probes are screwed to the respective ports on the
engine (see Figure 7).
The EGT probes are attached to the exhaust pipes with
clamps (see Figure 7).
The OT probe is screwed to the respective port on the aft
engine side (see Figure 6 of Chapter 79).
The oil (4, Figure 5) and fuel (5) pressure transducers are
screwed to the respective fittings on the firewall.
Refer to Chapter 28 for fuel contents transmitters.
The MAP transducer is module 3 of Figure 4. The tubing (7)
is routed from the module through a bulkead fitting (6) in the
firewall to the engine (see also Figure 1).
The rpm signals are taken directly from the magnetos.
The OAT probe is fastened to the right side of the bottom
fuselage cover (behind the center tank drain) by means of a
nut. A plug allows easy disconnecting.
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