Figure 31. Engine oil pump assembly, exploded view.
S e c t i o n X V I . PI S T O N AN D CON N E C T I N G ROD ASSEM B L I E S
Se
(2) R e m o v e t h e e n g i n e h o u s i n g ( T M 5 -
97. General
3820-205-20/1).
The pistons used in this engine are made of
( 3 ) Remove the cylinder head and values
a n aluminum alloy. There are three compres-
( p a r . 78).
s i o n rings and two oil rings on each piston.
( 4 ) R e m o v e the oil pump assembly (par.
A piston pin connects the piston to the con-
94).
necting rod. Each connecting rod and rod cap
(5) R e f e r t o f i g u r e 3 2 , a n d r e m o v e t h e
a r e matched and are not interchangeable.
piston and connecting rod assemblies
from the engine.
Note. Remove the ridge and carbon from
98. Piston and Connecting Rod Assemblies
the top of the cylinder sleeve before remov-
Removal and Disassembly
ing the piston from the engine block.
a. Removal.
b. Disassembly. Refer to figure 33, and dis-
assemble the piston and connecting rod assem-
(1) Remove the engine assembly (par.
blies.
29).
AGO 8498A