Heat Shield Installation - Lycoming TEO-540-C1A Maintenance Manual

TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual
I. Examine the exhaust pipe segments that are attached to the exhaust bypass transition
assembly (Figure 3). Record all cracks on welds and attaching flanges. Replace cracked
components.
J. Examine the V-band sections of each coupling with a depth micrometer. Refer to Figure 7.
Make sure there are no dimensions less than 0.230 in. (5.84 mm) on the V-band parts. If a
dimension is less than 0.230 in. (5.84 mm), discard and replace the coupling. Never use the
defective coupling again.

5. Heat Shield Installation

A. Using two hose clamps, install the inner heat shield (Figure 1) over the right exhaust
transition (Figure 3) and the right exhaust pipe.
B. Torque the hose clamps per the Special Torque Requirements Tables in Part 1, Section V in
the latest revision of the Service Table of Limits - SSP-1776.
C. Attach the outer heat shield to the inner heat shield with the five screws and five washers
(three on top and two on bottom). Torque the screws per the Standard Torque Tables in the
latest revision of the Service Table of Limits - SSP-1776.
6. Exhaust System Removal
CAUTION PRIOR TO EXHAUST SYSTEM DISASSEMBLY, LET THE ENGINE AND
THE EXHAUST SYSTEM COOL FOR 1 HOUR OR LONGER AFTER
ENGINE SHUTDOWN TO PREVENT BURNS. ENSURE THAT THE
BATTERY IS DISCONNECTED, TO PREVENT ENGINE START.
NOTICE: If any component of this system is removed or replaced for any reason, loosen all other
attachments on that side before installing the component.
A. To access, the exhaust system, remove any airframe components as necessary per the
airframe manufacturer's instructions.
B. Before disassembly of the exhaust system (for reference on assembly):
(1) Apply labels to all exhaust pipes and pieces.
(2) Take photos or draw a sketch of the exhaust system as installed and attached to the
turbocharger.
© 2018 Avco Corporation. All Rights Reserved
November 2018
Figure 7
V-Band Coupling Inspection Requirement
78-00
Page 347