Accessory Housing Installation - Lycoming TEO-540-C1A Maintenance Manual

TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual

4. Accessory Housing Installation

A. Examine plugs and fittings for damage. Replace any damaged plug or fitting.
B. Install plugs, plug O-ring, plug oil seals, and seals in the accessory housing (Figures 5 and 6).
Figure 5
Plug Oil Seals in Accessory Housing
C. Turn the crankshaft to position the cylinder 1 piston at TDC.
D. Place a new accessory housing gasket (Figure 6) over the locating dowels on the rear of the
crankcase.
E. Apply a liberal coating of engine oil all contact surfaces, such as gear teeth and the idler gear
hub.
NOTICE: Turn the crankshaft as necessary to move the gear train slightly so the oil pump
drive gear will mesh with the idler gear and the accessory housing will seat against
the crankcase and align on the dowel pins. Do not install the bolts if the accessory
housing is not correctly seated against the crankcase.
F. Fit the accessory housing into place on the rear of the crankcase.
G. Install all bolts with plain washers and new lock washers (Figure 2). Torque the hardware per
the Standard Torque Tables in the latest revision of the Service Table of Limits - SSP-1776.
H. Install the fuel pump per instructions in Chapter 73-10 of this manual.
I. Install all accessories removed during accessory housing removal on the accessory housing
per airframe manufacturer's instructions.
J. Connect the wiring harness to accessories installed on the accessory housing.
K. Connect all hoses to the accessory housing or any accessories installed on the accessory
housing.
L. Install the PMA per instructions in Chapter 72-70 of this manual.
M. Install the oil filter per instructions in Chapter 12-10.
N. Connect the hoses to the airframe-supplied oil cooler.
© 2018 Avco Corporation. All Rights Reserved
November 2018
Plugs and Plug O-Ring in Accessory Housing
Figure 6
72-25
Page 203