Oil Suction Screen Removal/Inspection/Cleaning/Installation - Lycoming TEO-540-C1A Maintenance Manual

TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual
N. Reconnect the ignition leads to all spark plugs.
O. Within the next 3 hours start and operate the engine for 3 minutes at approximately 1000
rpm. Refer to either the "Engine Initiation" chapter or the "Engine Operation" chapter in the
TEO-540-C1A Engine Installation and Operation Manual.

10. Oil Suction Screen Removal/Inspection/Cleaning/Installation

NOTICE: On the TEO-540-C1A (Figure 3) engines there is an oil suction screen in the oil sump.
Clean the oil suction screen and replace the oil filter after every 50 hours of engine
operation, with each oil change (unless more frequent oil changes are necessary).
A. Remove and discard the safety/cable wire/cable from the suction screen plug (Figure 3).and
oil drain plugs (Figure 2) on the oil sump
B. Put a suitable collection container with a minimum 15-quart (14-liter) capacity under the
drain plugs of the oil sump.
C. Remove the oil sump drain plugs and drain the oil from the engine.
D. Remove the oil suction screen plug and oil suction screen from the oil sump.
E. Remove and discard the gasket from the oil suction screen plug.
F. Before cleaning the oil suction screen (Figures 3 and 4), examine the oil suction screen for:
(1) Deformation or openings in the mesh.
(2) Metal particles, shavings or flakes trapped in the oil suction screen. Refer to the sections:
"Identification of Metallic Solids After Oil Servicing" and "Visual Inspection of the Oil
Filter Element and Oil Suction Screen" in this chapter.
G. Clean the oil suction screen with mineral spirits or equivalent solvent.
H. Apply a light coat of Food Grade Anti-Seize to the threads of the oil suction screen plug.
I. Install a new gasket on the oil suction screen plug.
J. Install the oil suction screen into the oil suction screen plug.
K. Guide the oil suction screen and oil suction oil suction screen plug carefully into the sump
threading in hand tight.
L. Tighten the oil suction screen plug until the sealing surfaces are in contact and then tighten
the oil suction screen plug an additional 135°.
CAUTION
M. Apply one to two drops of Loctite
plugs and install the oil sump drain plugs in the oil sump. Torque the drain plugs in
accordance with the latest revision of the Service Table of Limits - SSP-1776.
N. Safety cable/wire the oil sump drain plugs and the oil suction screen plug in accordance with
the standard practices per the latest revision of AC43.13-1B or the latest revision of Service
Instruction No. SI-1566.
O. Complete the "Add Oil to the Engine" procedure in section 2 in this chapter.
© 2018 Avco Corporation. All Rights Reserved
November 2018
MAKE SURE THAT THE OIL SUCTION SCREEN PLUG AND OIL
SUMP DRAIN PLUGS ARE INSTALLED SECURELY AND SAFTIED TO
PREVENT OIL LEAKAGE.
®
564
™
or equivalent to the threads of the oil sump drain
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