3.15
Engine/Cooling/Exhaust
3
Crankshaft Truing
Lubricate the bearings and clamp the crankshaft securely
in the holding fixture. If truing the crankshaft requires
striking with a hammer, always be sure to re-check
previously straightened areas to verify truing. Refer to the
illustrations below. Use Crankshaft alignment kit PN
2870569.
NOTE: The rod pin position in r
elation to the dial
indicator tells you what action is required to
straighten the shaft.
Truing Examples
To correct a situation like this, strike the shaft at point
A with a brass hammer.
To correct a situation like the one shown here,
s
queeze the crankshaft at point A. You will use the
tool from the alignment kit PN 2870569.
If the crank rod pin location is 180° from the dial
indicator (oppos
ite of above), it will be necessary to
spread the crankshaft at the A position as shown in
illustration 3. When rebuilding and straightening a
crankshaft, straightness is of utmost importance.
Runout must be as close to zero as possible.
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