Yanmar 3YM30 Sevice Manual page 100

4. Disassembly and reassembly
(21)Turning the engine over
1) Place a wood block of appropriate size on the floor,
and stand up the engine on the flywheel housing.
2) Remove the engine mounting feet.
(22)Removing the crankshaft V-pulley
Loosen the bolt tightening the crankshaft V-pulley and
remove the crankshaft V-pulley with a pulley puller.
(23) Removing the oil pan
Remove the oil pan and spacer.
(24)Removing the lube oil inlet pipe
Remove the lube oil inlet pipe and O-ring.
(25)Removing the gear case
Loosen the gear case cover bolts, and remove the gear
case cover from the gear case.
Gear case
Wood block
Oil pan spacer
Cylinder block
85
Bolt
Washer
Crankshaft V-pully
Oil pan
Flywheel housing
Oil pan
Liquid gasket
Lube oil inlet pipe
O-ring