Wisconsin — Remove Crankshaft and Main Bearing Plate
Repair & overhaul · Crankshaft / main bearing plate
From a Wisconsin service manual covering: FM-X4B7D, V-460D, V-461D, V-465D, V460D, V461D, V465, Y-128-S1, YB-85A. Check it applies to your exact model before use.
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Before you start
- Do not attempt to remove crankshaft from engine without first removing center bearing hanger.
Procedure
- Remove main bearing plate, gaskets and shims from take-off end of engine.
- Slip a length of pipe over the gear end of the crankshaft.
- With assistance, withdraw the shaft thru the main bearing plate opening.
- Rotate the crankshaft so counterweights clear the center main bearing hanger lugs in crankcase.
Tools required
- Length of pipe Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Main bearing plate capscrew torque 32 foot pounds
- End play .002 to .005 inch cold
Source: Wisconsin service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.