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TM 5-2420-222-34
3-8.
CRANKSHAFT MAINTENANCE (Con’t).
d.
ASSEMBLY
1.
Tap woodruff key (19) in place in crankshaft (14).
WARNING
Hot oil gives off highly flammable fumes. When heating parts in oil, do not smoke
or allow open flame nearby. Ensure that area Is well-ventilated. Heat parts only in
tank with lid which can be quickly closed to extinguish fire. Wear eye protection,
protective gloves and clothing when heating parts In oil and handling hot parts.
Hot oil and hot parts can cause severe burns.
2.
Heat spur gear (16) for 30 minutes in engine oil at 300°F (1490C).
3.
Remove spur gear (16) from hot oil and tap in position on crankshaft (14) and woodruff key (19).
4.
If straight pin (17) was removed, install in crankshaft (14) using stud remover and setter.
e.
INSTALLATION
1.
Slide five upper sleeve bearing halves (18) into position on engine block (3). Ensure that tangs on upper sleeve
bearing halves fit in locking grooves in engine block and oil holes in upper sleeve bearing halves line up with oil
passages in engine block.
2.
Coat upper sleeve bearing halves (18) with engine oil.
CAUTION
When Installing crankshaft In engine block, use care not to knock crankshaft
against engine block. Knocking crankshaft may damage parts.
3.
Coat all crankshaft journals with engine oil. With the aid of an assistant, position crankshaft (14) in place on
engine block (3).
3-54
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