Lycoming IO-390-D Series Maintenance Manual page 136

Step
"Intercylinder Baffle Removal"
Step 17
procedure in Chapter 72-30
Remove the
inter-
cylinder
baffles
(Figure 17).
Intercylinder Baffles
Step 18 Chapter 72-30 in this manual
Remove the
rocker
covers,
valve
rockers,
rocker
shafts, push
rods, and
shroud
tubes
(Figure 18).
Rockers, Shroud Tubes,
"Cylinder Removal" procedure in
Step 19
Chapter 72-30
Continue to
remove the
engine
cylinders
(Figure 19).
72-05
Page 110
Table 1 (Cont.)
Sequence of Engine Disassembly Procedures
Reference
Figure 17
Figure 18
and Push Rods
Figure 19
Engine Cylinders
IO-390-D Series Engine Maintenance Manual
IO-390-D Series Engine Maintenance Manual
Step
"Piston Removal" procedure in Chapter
Step 20
72-30
Remove the
pistons
(Figure 20).
"Connecting Rod Removal" in Chapter
Step 21
72-20
Remove the
connecting
rods
(Figure 21).
"Oil Pressure Relief Valve Removal"
Step 22
procedure in Chapter 72-50
Remove the
oil pressure
relief valve
(Figure 22).
Oil Pressure Relief Valve
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Reference
Figure 20
Piston
Figure 20
Connecting Rod
Figure 21
March 2020