Lycoming TEO-540-C1A Maintenance Manual page 315

TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual
Sensor Name Abbr.
Cylinder Head CHT-1
Temperature
CHT-2
(CHT) Sensor
CHT-3
CHT-4
CHT-5
CHT-6
Exhaust Gas EGT-1
Temperature
EGT-2
(EGT) Sensor
EGT-3
EGT-4
EGT-5
EGT-6
© 2018 Avco Corporation. All Rights Reserved
November 2018
Table 3 (Cont.)
Sensor Replacement Procedures
ID Qty. Location
A087 6 Mounted on the
temperature
A088
probe port of
each cylinder
A089
head (Figure 38)
A090
NOTICE:
Be sure to install
A091
the correct CHT
A092
sensor in the
applicable
numbered
cylinder
A080 6 Mounted in the
exhaust port of
A081
each cylinder
A082
(Figure 38)
NOTICE:
A083
Be sure to install
the correct EGT
A084
sensor in the
A085
applicable
numbered
cylinder
Replacement Instructions
1. Remove the cap screw holding the CHT
sensor connector to the harness bracket.
2. Disconnect the harness connector from the
sensor per instruction in the "Wiring
Harness Connectors" section in this chapter .
3. Remove the sensor from the cylinder head by
pushing the locking collar in and turning 1/4
turn counterclockwise.
4. Push the new sensor into the cylinder head
and then push the locking collar in. Turn the
locking collar 1/4 turn clockwise.
5. Connect the harness connector to the sensor
per instruction in the "Wiring Harness
Connectors" section in this chapter .
6. Install the cap screw. Torque the cap screw
per the Standard Torque Tables in the latest
revision of the Service Table of Limits - SSP-
1776, for torque values.
7. Complete an operational ground check.*
1. Remove the cap screw holding the EGT
sensor connector to the harness connector.
2. Disconnect the sensor connector from the
harness connector per instruction in the
"Wiring Harness Connectors" section in this
chapter .
3. Loosen the worm screw of the EGT sensor
hose clamp.
4. Remove the EGT sensor from the exhaust
manifold.
5. Insert the new EGT sensor in the exhaust
manifold. Tighten the worm screw of the EGT
sensor hose clamp. Torque the worm screw
per the Special Torque Requirements Table in
Section V of Part 1 in the latest revision of the
Service Table of Limits - SSP-1776.
6. Connect the sensor connector to the harness
connector per instruction in the "Wiring
Harness Connectors" section in this chapter .
7. Install and torque the cap screw per Standard
Torque Tables in the latest revision of the
Service Table of Limits - SSP-1776.
8. Complete an operational ground check.*
72-70
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