Bearing Selection - Honda BF40D Manuel D'utilisation

3. BEARING SELECTION

1 a. CONNECTING ROD BEARING
When replacing the connecting rod bearing, check the crank
pin code letter and the connecting rod code number, and select
2
the correct bearing by referring to the bearing selection table.
3
• If the code letter and/or number is not clear, clean the area
with a cleaning solvent and check again. Do not scrub with a
4
stiff brush or screwdriver to clean.
1) Check each crank pin code letter in the position shown and
5
record them.
6
Crank pin O.D.: 38 mm (1.5 in)
Code
7
letter
D -0.024 - -0.018 mm (-0.0009 - -0.0007 in)
8
C -0.018 - -0.012 mm (-0.0007 - -0.0005 in)
9
B -0.012 - -0.006 mm (-0.0005 - -0.0002 in)
A -0.006 -
10
11
12
2) Check each connecting rod code number in the position
13
shown and record them.
14
Connecting rod big end I.D.: 41 mm (1.6 in)
Code
15
number
1 0.000 - +0.006 mm ( 0.0000 - +0.0002 in)
16
2 +0.006 - +0.012 mm (+0.0002 - +0.0005 in)
17
3 +0.012 - +0.018 mm (+0.0005 - +0.0007 in)
4 +0.018 - +0.024 mm (+0.0007 - +0.0009 in)
18
3) Select the correct bearing by referring to the crank pin code
letter and the connecting rod code number.
19
20
10-16
Tolerance
0.000 mm (-0.0002 - 0.0000 in)
Tolerance
[1]
No.1 journal and the subsequent numbers
viewed from the alternator rotor side.
[2] [3]
No.3 No.2
[5]
CRANK PIN CODE LETTER
(No.1 journal and the subsequent
numbers viewed from the left side)
[7]
No.1 CRANK
PIN
[1]
CONNECTING ROD CODE NUMBER
(No.1 journal and the subsequent numbers
viewed from the alternator rotor side)
194
[4]
No.1
[6]
No.3
CRANK PIN