Oil Sump Removal - Lycoming TEO-540-C1A Maintenance Manual

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

13. Oil Sump Removal

A. Drain oil from the oil sump per the "Oil Change Procedure" in Chapter 12-10.
B. Per the respective removal instructions in Chapter 72-80:
(1) Remove the intake pipes from the engine.
(2) Remove the induction housing.
C. Remove the throttle body assembly and gasket per instructions in Chapter 73-20.
NOTICE: Since there are different length bolts installed on the oil sump, keep bolts, nuts, and
washers removed in each of the following steps separate from bolts, nut, and
washers removed in other steps.
Draw a sketch or refer to the TEO-540-C1A Illustrated Parts Catalog to identify
the location of different length bolts installed on the oil sump.
D. Remove the six bolts, six nuts, six lock washers, 12 washers, and six nuts (Figure 8) from the
accessory housing end of the oil sump. Discard the lock washers.
E. Remove the six bolts, six lock washers, and 12 washers from the propeller end of the oil
sump. Discard the lock washers. Keep these longer bolts separated from the bolts removed in
the previous step.
© 2018 Avco Corporation. All Rights Reserved
November 2018
Figure 8
Oil Sump
72-50
Page 263