Lycoming TEO-540-C1A Maintenance Manual page 356

A. Fuel Pressure Regulator Removal
(1) Put a fuel collection container
under the engine where the fuel
hose connects to the fuel manifold
return.
(2) Loosen the cap on the fuel pressure
regulator bleed port to release
pressure from the fuel hoses.
(3) Remove the pressure source line
connected to the inlet nipple on the
adapter for the fuel pressure
regulator (Figure 11).
(4) Remove the two screws and
washers (that attach the fuel
pressure regulator adapter to the
fuel manifold).
(5) Remove the fuel pressure regulator
adapter and O-ring. Discard the O-
ring.
(6) Remove the fuel pressure regulator
from the fuel manifold.
(7) Remove the fuel collection
container and dispose of the fuel in
accordance with environmental
regulations.
B. Fuel Pressure Regulator Installation
CAUTION
(1) Install a new O-ring on the adapter (Figure 11).
(2) Install the adapter on the fuel pressure regulator.
(3) Install the fuel pressure regulator/adapter on the fuel manifold until the adapter is seated
against the mating face of the fuel manifold.
(4) Install the two screws each with a washer to attach the adapter and fuel pressure regulator
to the fuel manifold.
(5) Torque the screws to the specified limits as per the Standard Torque Tables in the latest
revision of the Service Table of Limits - SSP-1776.
(6) Connect the pressure source line to the inlet nipple on the adapter for the fuel pressure
regulator.
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Page 326
DO NOT DAMAGE THE O-RING DURING INSTALLATION OF THE
FUEL PRESSURE REGULATOR. LOSS OF FUEL SYSTEM PRESSURE
AND FUEL LEAKS COULD OCCUR CREATING A POTENTIAL FIRE
HAZARD.
TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual
Figure 11
Fuel Pressure Regulator and Manifold
© 2018 Avco Corporation. All Rights Reserved
November 2018