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(2) Apply engine lubricating oil (ML-L-21 04) to piston ring surface.
(3) Check that piston rings slide smoothly in piston ring grooves.
(4) Oil ring coil expander connecting portion must not have a gap.
k.
Repeat steps c thru j for remaining pistons and connecting rods.
1.
Oil Ring
2.
First Compression Ring
3.
Second Compression Ring
4.
Third Compression Ring
3-28.5. Installation.
a.
Carefully wipe any foreign material from upper bearings.
b.
If crankshaft bearings are being reused, locate position marks applied during removal.
c.
Refer to FIGURE 3-94 for correct bearing location at cylinder block bearing fitting arches and bearing caps.
d.
Fit bearing tang firmly into slot machined on cylinder block bearing arches.
Do not apply oil to bearing back faces and cylinder block bearing fiitting surfaces.
FIGURE 3-93. Piston Ring Installation
N O T E
ARMY TM 9-2815-254-24
AIR FORCE TO 38G1-94-2
3-143
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