ARMY TM 9-2815-256-24
AIR FORCE TO 38G1-96-2
MARINE CORPS TM 2815-2415
Section XV. PISTONS, CONNECTING RODS, CYLINDER LINERS,
AND ENGINE BLOCK MAINTENANCE
3-44. REMOVAL.
3-44.1. Pistons and Connecting Rods.
WARNING
Compressed air used for cleaning can create airborne particles that may enter the eyes. Pressure
will not exceed 30 psig (207 kPa). Eye protection required.
a.
Drain coolant and lubrication system, refer to end item maintenance manual.
b.
If engine is to be completely disassembled, perform steps b through I of paragraph 3-34.1.
c.
Remove cylinder head, refer to paragraph 3-34.1.
d.
Remove cam followers and keep in exact order, refer to paragraph 3-34.1.
e.
Clean engine block top deck. Remove all old gasket material, corrosion, carbon, and other foreign material from
top deck. Use compressed air to remove loose material.
f.
Use short capscrews (1, FIGURE 3-140)and 1/8 inch (3.18 mm) thick washers (2) to bolt down cylinder liners (3).
Fasten liners in seven locations. Tighten capscrews to 50 ft-lbs (68 Nm).
FIGURE 3-140. Fastening Cylinder Liners
CAUTION
Do not rotate crankshaft with cylinder head removed unless liners are bolted down. Bolt liners down
before removing pistons.
CAUTION
Capscrews and washers must be tightened to the above specification to achieve an accurate reading
when checking liner height above block.
g.
Remove carbon from liner bore with a scraper or reamer, refer to FIGURE 3-141. Use compressed air to
remove loose material from cylinders.
3-190
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