Section 03 ENGINE
Sub-Section 06 (BOTTOM END)
03-06-8
Crankshaft Deflection
Crankshaft deflection is measured each end with
a dial indicator.
First, check deflection with crankshaft in crank-
case. If deflection exceeds the specified toler-
ance, it can be either ball bearings wear, bent or
twisted crankshaft at connecting rod journal.
1. Measuring PTO side deflection in crankcase
1. Measuring MAG side deflection in crankcase
Remove crankshaft bearings and check deflection
again on V-shaped blocks as illustrated.
1. Measuring MAG side deflection on V-shaped blocks
1. Measuring PTO side deflection on V-shaped blocks
NOTE:
Crankshaft deflection can not be correctly
measured between centers of a lathe.
F01D1SA
1
F01D1TA
1
F01D1UA
1
F01D1VA
1
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