Perkins — To remove and to fit the crankshaft
Repair & overhaul
From a Perkins service manual — check it applies to your exact model before use.
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Before you start
- The engine should be upside down before the fasteners for the crankshaft are removed
Procedure
- Drain lubricating oil and coolant; remove sump
- Remove fan, drive belts, fan drive pulley and housing and coolant pump
- Remove the fuel injection pump
- Remove crankshaft pulley; remove alternator and bracket
- Remove compressor or exhauster
- Remove timing case cover, timing gears and timing case
- Remove flywheel, flywheel housing and rear oil seal assembly
- Remove balancer unit or oil suction pipe, pump, delivery pipe and relief valve
- Remove the bridge piece
- Remove connecting rod caps and push pistons towards top of bores
- Remove main bearing caps, shell bearings and thrust washers; lift out crankshaft
Specs & values
- Main bearing setscrews 265 Nm (196 lbf ft) 27,0 kgf m
Source: Perkins 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.