Manualshelf

Installation Instructions

ManualsBrandsKubota ManualsMiscellaneousB2400
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1
ENGINE
0101F021
(5) (4) (6)
B1700·B2100·B2400 WSM,11770
Undersized and Oversized Bearing
If
the
standardsize bearing cannot be employed due
to
excessive wear
of
the
crankpin and crank
journal,
employ
undersize or oversize bearings.
For
under
size
or
oversize
bearing
use,
follow
the
precautions noted below.
• Grind the crankpin and journal
with
a wheel which
has
specified round corner and
width
without
shoulder.
1.
2.8
to
3.2
mm
(0.1102
to
0.1260 in.)
2.
2.3
to
2.7
mm
(0.0906
to
0.1063 in.)
3.
Be
sure
to
chamfer the oil hole circumference
to
1
to
1.5
mm
(0.04
to
0.06 in.) radius
with
an
oil stone.
4.
The
crankpin must
be
fine-finished
to
higher than (0.8-5).
5.
The
crank journal must
be
fine-finished
to
higher than (0.8-
5).
6.
The
crank journal
side
surface must
be
fine-finished
to
higher
than
(0.8-5).
Size
Code No. Name
of
bearing Bearing mark Position
Crankshaft processing
dimension
-0.2
mm
16241-2391-1
Crankshaft bearing 1
020
US
A
-0.008
in. (0.2 minus)
47.734
to
47.750 mm
-0.2
mm
Cra
nkshaft bea
ri
ng
2
1.8793
to
1.8799 in.
-0.008
in.
16241-2393-1
(0.2 minus)
020
US
C
-0.2
mm
16241-2386-1
Crankshaft bearing 3
020
US
D
51.721
to
51.740 mm
-0.008
in. (0.2 minus)
2.0363
to
2.0370 in.
-0.4mm
16241-2392-1
Crankshaft bearing 1
040
US
A
-0.016
in.
(0.4 minus)
47.534
to
47.550 mm
-0.4mm
Crankshaft bearing 2
1.8714
to
1.8720 in.
-0.016
in.
16241-2394-1
(0.4 minus)
040
US
C
-0.4mm
16241-2387-1
Cra
nkshaft bea
ri
ng
3
040
US
D
51.521
to51.540mm
-0.008
in. (0.4 minus)
2.0284
to
2.0291 in.
-0.2
mm
16241-2297-1
Crank pin bearing
020
US
B
39.759
to
39.775 mm
-0.008
in. (0.2 minus)
1.5653
to
1.5659 in.
-0.4mm
16241-2298-1
Crank pin bearing
040
US
B
39.559
to
39.575 mm
-0.016
in. (0.4 minus)
1.5574to
1.5581 in.
+0.2
mm
15521-2395-1 Thrust bearing 1 (0.2 plus)
020
OS
E
28.20
to
28.25 mm
+0.008
in.
19202-2397-1 Thrust bearing 2 (0.2 plus)
1.1102to
1.1122 in.
+0.4mm
15521-2396-1
Thrust bearing 1 (0.4 plus)
0400S
E
28.40
to
28.45 mm
+0.016in.
19202-2398-1
Thrust bearing 2 (0.4 plus)
1.1181t01.1201in.
1-542