Lycoming TEO-540-C1A Maintenance Manual page 318

Sensor Name Abbr.
Fuel FUEL-T
Temperature
Sensor
Primary DECK-P-P
Induction Air
Deck Pressure
Sensor
72-70
Page 288
Table 3 (Cont.)
Sensor Replacement Procedures
ID Qty. Location
A012 1 Mounted in the
fuel manifold
(Figure 39)
A045 1 Mounted on the
pipe attached to
the inlet of the
throttle body
(Figure 38)
TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual
Replacement Instructions
1. Ensure fuel hoses are depressurized by
loosening the cap on the fuel pressure
regulator bleed port.
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 pressure
regulator manifold.
4. Install the new sensor in the pressure
regulator manifold.
5. Refer to Standard Torque Tables in the
latest revision of the Service Table of
Limits - SSP-1776 for torque values.
6. Torque the cap on the bleed fitting to 84 to
120 in.-lb. (9.5 to 13 Nm).
7. Connect the harness connector to the
sensor per instruction in the "Wiring
Harness Connectors" section in this
chapter.
8. Complete an operational ground check.*
1. Disconnect the harness connector from the
sensor per instruction in the "Wiring
Harness Connectors" section in this
chapter.
2. Cut and remove the safety wire from the
cap screws.
3. Remove the cap screws and washers.
4. Remove the sensor retaining block.
5. Remove the sensor from manifold.
6. Install the new sensor in the manifold.
7. Install the sensor and retaining block with
cap screws and washers. Tighten the cap
screws.
8. Refer to Standard Torque Tables in the
latest revision of the Service Table of
Limits - SSP-1776 for torque values.
9. Safety wire/cable the cap screws.
10. Connect the harness connector to the
sensor per instruction in the "Wiring
Harness Connectors" section in this
chapter.
11. Complete an operational ground check.*
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November 2018