Specifications

21
4. Service Guide
4-7 Crankcase Assembling
Bearings, snap ring, oil seal configuration and installation position differ depending on type.
Properly install each part and reassemble the crankcase referring to the corresponding type’s drawing.
For bearing and oil seal installation, refer to the explanation on page 23.
HB23 Series, HBZ26 Series
EBZ30 Series
EB4300
Fan Side
Push the oil seal within 0 to
0.5 mm (0.02 in.) from the
crankcase surface.
Oil Seal
Starter Side
Oil Seal
Align the oil seal surface with
the crankcase surface.
Bearing
Push the bearings until they
contact the snap ring.
Bearing
Push the bearings until they
contact the crankcase.
Snap Ring
Crank Case
Construction
Push the oil seal within 0 to
0.5 mm (0.02 in.) from the
crankcase surface.
Oil Seal
Fan Side
Starter Side
Bearing
Push the bearings until they
contact the crankcase.
Snap Ring
Do not cover the lubrication
hole with the snap ring.
Lubrication Hole
Snap Ring
Push the oil seal within 3.3
to 3.8 mm (0.13 to 0.15 in.)
from the crankcase surface.
Oil Seal
Bearing
Push the bearings until they
contact the snap ring.
Lubrication Hole
Crank Case
Construction
Fan Side
Push the oil seal
until its surface
comes trim with
the crankcase
edge surface.
Oil Seal
Starter Side
Push the oil seal until
its surface comes trim
with the crankcase
edge surface.
Bearing
Push the bearings until they
contact the snap ring.
Bearing
Push the bearings until they
contact the crankcase.
Snap Ring
Oil Seal
Crank Case
Construction