Lycoming TEO-540-C1A Maintenance Manual page 336

A. Intake Pipe Removal
(1) If removing intake pipe (Figure 2) for either Cylinder Nos. 5 or 6, loosen the hose clamps
and remove the heat shield and two hose clamps.
(2) Remove the two bolts, lock washers, and washers from the intake pipe flange at the
engine cylinder (Figure 2). Discard the lock washers.
(3) Remove the gasket from the intake pipe, discard the gasket.
(4) If the intake pipe is not to be replaced, attach a label to the intake pipe that identifies the
corresponding engine cylinder number for reference on assembly.
(5) Remove the intake pipe and seal ring at the oil sump connection. Discard the seal ring.
B. Intake Pipe Installation
NOTICE: Since there is a corresponding intake pipe for each engine cylinder, make sure the
correct intake pipe is installed for the respective engine cylinder. Refer to the TEO-
540-C1A Illustrated Parts Catalog for the part number and installation location of
each intake pipe.
(1) Install the intake pipe with a new seal ring at the oil sump (Figure 2) in the oil sump
opening for the corresponding cylinder.
(2) Attach the corresponding intake pipe to the correct engine cylinder flange with a new
gasket, two bolts, two new lock washers, and two washers. Torque the two bolts to 96
to 108 in.-lb. (11 to 12 Nm).
(3) Install a heat shield with two hose clamps. Tighten the hose clamps to hold the heat
shield securely in place.
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Figure 2
Intake Pipes and Attaching Parts
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TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual
November 2018