21
center of crankshaft center of fan
center of fan
center of crankshaft
Φ550 (diameter of fan Φ520)
depth 20 hole depth 24
seam allowance
of flywheel shell
depth 10
depth 20 hole depth 24
rear end surface
of engine block
rear end surface
of crankshaft
rear end surface
of flywheel shell
(flywheel shell thickness)
joint surface of flywheel
and connecting disk
rear end surface
of flywheel
seam allowance for joint surface
of flywheel and connecting disk
Φ 352.4
depth 7.9
front
support
center of crankshaft
front support
connection dimension for rear end