51ANDARDIZED RELAY
Description (Cont'd)
Type Outer
view
CircuitConnector
symbol
and connection Case
color
•
GRAY
BLUE
BROWN
=
=
2M 1T
BLACK
1M
1M.1B
The arrangement ofterminal numbers onthe actual relaysmaydiffer fromthose shown above.
SEL661TA
EL-7
Mainjournal andpinjournal
R
SEM588ACYLINDER
BLOCK
[ill
Inspection (Conl'd)
When grinding crankpinand crank journal:
a. Grind untilclearance iswithin specified standardbearing
clearance.
b. Fillets should befinished asshown inthe figure.
R: 2.3 -2.5 mm (0.091 -0.098 in)
•
~ Front
No.5
Main journal
grade number
Cylinder
block
SEM427C
8.
Ifcrankshaft, cylinderblockormain bearing isreused
again, measure mainbearing clearance. Ifthe above parts
are allreplaced, selectthickness ofmain bearings asfol-
lows:
a. Grade number ofeach cylinder blockmainjournal is
punched onthe respective cylinderblock.These numbers
are punched ineither Arabic orRoman numerals.
b. Grade number ofeach crankshaft mainjournal ispunched
on the respective crankshaft. Thesenumbers arepunched
in either Arabic orRoman numerals.
c. Select mainbearing withsuitable thickness according tothe
following table.
Main bearing gradecolor:
Main journal
grade number
0
1
2
Crankshaft
journal gradenumber
0
Black
Brown Green
1
BrownGreenYellow
2
GreenYellow Blue
Crank
journal
grade number
SEM436C
\i1hOle
o,.",,!f0
Front ~~
Q
I\}:J
Identification color~
SEM194C
For
example:
Main journal gradenumber: 1
Crankshaft journalgradenumber: 2
Main bearing gradenumber
=
1
+
2 Yellow
)=====
.-:::::::======_ ..
;::..----
AEM027Connecting
rodbearing (Bigend)
1. Install connecting rodbearing toconnecting rodand cap.
2. Install connecting rodcap toconnecting rod.
Tighten boltstothe specified torque.
3. Measure innerdiameter "C"ofeach bearing.
EM-53
Crankshaft
front view
Crankshaft
front view
•
Crankshaft
Cylinderblockmainjournal gradenumber
main journal
grade num-
0 12
3
ber
012
3
0
(A,Black) (B,
Brown) (C,
Green) (0,Yellow)
.
12
3
4
1
(B,Brown) (C,Green) (0,
Yellow) (E,Blue)
2
3
4
5
2
(C,Green) (0,
Yellow) (E,Blue) (F,Pink)
3
4
5
6
3
(0,Yellow) (E,
Blue) (F,
Pink) (G,Nocolor)
For example:
Main journal gradenumber: 1
Crankshaft journalgradenumber: 2
Main bearing gradenumber =1+ 2
=
3(D, Yellow)
CYLINDER
BLOCK ~
Inspection (Conl'd)
b. Grade number ofeach crankshaft mainjournal ispunched
on the respective crankshaft. Thesenumbers arepunched
in either Arabic orRoman numerals.
c. Select mainbearing withsuitable thickness according tothe
following table.
How toselect mainbearings
(Identification markandcolor)
SEM013D No.
4
SEM203D
Main
journal gradenumber
No.5
Main journal gradenumber
NO.1
Type
I
No.1
Type II
Connectingrodbearing (Bigend)
1. Install connecting rodbearing toconnecting rodand cap.
2. Install connecting rodcap toconnecting rod.
Tighten boltstothe specified torque.
3. Measure innerdiameter "C"ofeach bearing.
4. Measure outerdiameter "Dp"ofeach crankshaft pinjour-
nal.
5. Calculate connecting rodbearing clearance.
Connecting rodbearing clearance
=
C-Dp
Standard:
0.020.0.045
mm
(0.0008 .0.0018
in)
Limit:
0.065
mm
(0.0026
in)
6. Ifitexceeds thelimit, replace bearing.
7.
If
clearance cannotbeadjusted withinthestandard ofany
bearing, grindcrankshaft journalanduseundersized bear-
ing. Refer tostep 7of "BEARING CLEARANCE -Main
bearing" (EM-106).
EM-107
CYLINDERBLOCK
@[]
Inspection (Cont'd)
• Ifeither bearing, crankshaft orcylinder blockisreplaced
with anew one, select mainbearing according tothe fol-
lowing table.These numbers arepunched ineither Arabic
or Roman numerals.
Mainbearing housing gradenumber
0 1
2
Main bearing gradenumber
0 0 12
Crankshaft mainjour-
1
1
2
3
nal grade number
22
3
4
•
~NO'1 mainjournal gradenumber
NO.2 No.4
"" No. 3/ No.5
~'S"bci~
0000 "')N1
~ o.
- Counterweight
"\ /i
SEM706DAIdentification
color:
Grade 0
Grade 1
Grade 2
Grade 3
Grade 4 Yellow
Green
Brown
BlackBlue
No. 1journal gradenumber
~No.5
Q
Front
0
SEM706A
For
example:
Main journal gradenumber: 1
Crankshaft journalgradenumber: 2
Main bearing gradenumber
=
1
+
2
Main bearing thickness:
Refer toSOS (EM-175).
3
SEM507A CONNECTING
RODBEARING CLEARANCE (Bigend)
1. Install connecting rodbearing toconnecting rodand cap.
2. Install connecting rodcap with bearing toconnecting rod.
Apply oiltothe thread portion ofbolts andseating surface of
nuts.
toJ:
37-45 N'm (3.8-4.6 kg-m, 27-33 ft-Ib)
3. Measure insidediameter "C"ofbearing.
EM-147
CYLINDERBLOCK [][]
Inspection (Cont'd)
4. Measure outsidediameter "Dp"ofcrankshaft pinjournal.
5. Calculate connecting rodbearing clearance.
Connecting rodbearing clearance
=
C-Op
Standard:
0.031 -0.055
mm
(0.0012 -0.0022
in)
• Ifitexceeds thelimit, replace thebearing.
• Ifcrankshaft pinjournal isworn orshows anyabnormality,
regrind crankpinand useundersized bearingstomaintain
the specified oilclearance.
• Refer toSOS forregrinding diameterofcrankshaft pinand
available serviceparts(EM-174).
• When regrinding crankshaft pin,donot grind fillet-roll.
Pin
jOUrnal~
Maintain morethan0.13mm(0.0051 in)
SEM361D
~NO' 1pin journal gradenumber
~NO' 2No.3
__ NO.4
,/
o
J
0 0 ~ NO.1
~ C,"'''ffl.;ghl
SEM705D
Selective
connecting rodbearing
• Ifeither bearings orcrankshaft arebeing replaced withnew
ones, select connecting rodbearings according tothe fol-
lowing table.Grade numbers arepunched ineither Arabic
or Roman numerals.
Crankshaftpinjournal gradenumber
0 1
2
Connecting rodbaring gradenum-
0 12
ber
Identification color
Grade 0:Black
Grade 1:Yellow
Grade 2:Blue
CONNECTING RODANDPISTON PINCLEARANCE
(Small end)
Clearance
(0-
d):
0.025 -0.044
mm
(0.0010 -0.0017
in)
• Ifclearance exceedsthespecifications, replacethebearing.
Clearance
=
0 -d
SEM575B
EM-148
CRANKSHAFT SERVICE
DATAANDSPECIFICATIONS (SOS)
Inspection andAdjustment (Cont'd)
MAIN BEARING
Grade No. Thickness
"T"
Identificationcolor
mm (in)
0 1.827
-1.831
Black
(0.0719 -0.0721)
1 1.831
-1.835
Brown
(0.0721 -0.0722)
2 1.835
-1.839
Green
(0.0722 -0.0724)
3 1.839
-1.843
Yellow
(0.0724 -0.0726)
4 1.843
-1.847
Blue
(0.0726 -0.0727)
Unit:
mm(in)
GA14DE
I
GA15DE
GA16DE
Main journal dia.
"Dm"
Grade No.0 49.956-49.964 (1.9668 -1.9671)
Grade NO.1 49.948-49.956 (1.9665 -1.9668)
Grade NO.2
49.940-49.948 (1.9661 -1.9665)
Pin journal dia."Dp"
Grade No.0 39.968-39.974 (1.5735 -1.5738)
Grade NO.1
39.962-39.968 (1.5733 -1.5735)
Grade No.2 39.956-39.962 (1.5731 -1.5733)
Center distance "r" 40.85
-40.95
I
43.95
-44.05
(1.6083 -1.6122) (1.7303-1.7342)
Out-ot-round (X-Y)
Standard Lessthan0.005 (0.0002)
Taper (A-B)
Standard Lessthan0.002 (0.0001)
Runout [TIW]
Standard Lessthan0.05(0.0020)
Free endplay
Standard 0.060-0.180 (0.0024 -0.0071)
Limit 0.3(0.012)
': Total indicator reading Standard
Undersize 0.25(0.0098)
0.50 (0.0197) Unit:
mm(in)
Thickness "T"
1.960 -1.964 (0.0772 -0.0773)
2.085 -2.089 (0.0821 -0.0822)
AVAILABLE CONNECTING RODBEARING
Connecting rodbearing
Unit:mm(in)
Grade No. Thickness
Identificationcolorornumber
0 1.503
-1.506 (0.0592 -0.0593)
-
Standard 11.506-1.509 (0.0593 -0.0594) Brown
2 1.509
-1.512 (0.0594 -0.0595) Green
0.08 (0.0031) 1.542
-1.546 (0.0607 -0.0609)
8
Undersize 0.12(0.0047) 1.562
-1.566 (0.0615 -0.0617) 12
0.25 (0.0098) 1.627
-1.931 (0.0641 -0.0642) 25
Bearing clearance
Unit:mm(in) MISCELLANEOUS
COMPONENTS
Unit:mm(in)
Main bearing clearance
Standard Limit
Connecting rodbearing
clearance 0.018
-0.042
(0.0007 -0.0017)
0.1 (0.004) Camshaft
sprocketrunoutlimit
[TIW]
Flywheel runout[TIW]
Drive platerunout [T1R']
': Total indicator reading 0.17
(0.0067)
Less than0.15(0.0059)
Less than0.2(0.008)
Standard Limit All 0.014
-0.039
(0.0006 -0.0015)
0.1 (0.004)
EM-162
SEM685D
#5
#4 ~
~il hole #3~~ \)
#2 ~~'
#1~~~ ~~
L2 ~~
Engine front~
MAIN
BEARING SERVICE
DATAANDSPECIFICATIONS (SOS)
Inspection andAdjustment (Cont'd)
CONNECTING RODBEARING
Connecting rodbearing
Standard size
Unit:mm(in)
Grade Thickness"T"Width"W" Identification
number color(mark)
0 1.500
-1.503
Nocolor (A)
(0.0591 -0.0592)
1 1.503
-1.506 16.9-17.1
Black(B)
(0.0592 -0.0593) (0.665-0.673)
2 1.506
-1.509
Brown(C)
(0.0593 -0.0594)
Undersize
Standard
Unit:
mm(in)
Connecting rodbearing clearance
Undersize
Thickness
"T"
Crank
pinjournal
diameter "Op"
0.08 (0.0031) 1.541
-1.549
(0.0607 -0.0610)
1.561 -1.569
Grind
sothat bear-
0.12 (0.0047)
(0.0615-0.0618)
ing
clearance isthe
specified value.
0.25 (0.0098) 1.626
-1.634
(0.065 -0.00256)
Unit:
mm(in)
Grade Thickness "T"Width"W" Identification
number color
(mark)
0 1.977
-1.980
Black(A)
(0.0778 -0.0780)
1 1.980
-1.983
Brown(B)
(0.0780 -0.0781)
2 1.983
-1.986
Green(C)
(0.0781 -0.0782)
3 1.986-1.989
18.9-19.1
Yellow(D)
(0.0782 -0.0783) (0.744
-0.752)
4 1.989
-1.992
Blue(E)
(0.0783 -0.0784)
5 1.992
-1.995
Pink(F)
(0.0784 -0.0785)
6 1.995
-1.998
Nocolor (G)
(0.0785 -0.Q787)
Undersize
Unit:mm(in)
Bearing
clearance
Main bearing clearance
Standard
Limit
Standard
Limit Unit:
mm(in)
0.004 -0.022 (0.0002 -0.0009)
0.05 (0.0020)
0.020 -0.045 (0.0008 -0.0018)
0.065 (0.00256)
Undersize Thickness
"T" Main
journal
diameter "Om"
MISCELLANEOUS
COMPONENTS
Unit:mm(in)
0.25 (0.0098) 2.109
-2.117
(0.0830 -0.0833)
Grind
sothat bear-
ing clearance isthe
specified value. Camshaft
sprocketrunoutlimit
[TIR]
Flywheel runoutlimit[TIR]
Drive platerunout limit[TIA]
0.25
(0.0098)
0.15 (0.0059)
0.2 (0.008)
EM-170
SERVICEOATAAND SPECIFICATIONS (SOS)
Inspection andAdjustment (Cont'd)
AVAILABLE MAINBEARINGS
No.1, No.2, No.4andNo.5main bearings
Grade number
o
2
3
4
Contacting width Thickness
"T"
mm
(in)
1.816 -1.820 (0.0715 -0.0717)
1.820 -1.824 (0.0717 -0.0718)
1.824 -1.828 (0.0718 -0.0720)
1.828 -1.832 (0.0720 -0.0721)
1.832 -1.836 (0.0721 -0.0723)
Width
"W"
mm
(in)
20.0 (0.787)
17.8 (0.7011'
Identification
color
Yellow
Green
Brown Black Blue
•
No.3 mainbearings
Grade number
o
2
3
4
Contacting width Thickness
"T"
mm
(in)
1.816 -1.820 (0.0715 -0.0717)
1.820 -1.824 (0.0717 -0.0718)
1.824 -1.828 (0.0718 -0.0720)
1828 -1.832 (0.0720 -0.0721)
1.832 -1.836 (0.0721 -0.0723)
Width
"W"
mm
(in)
27.95 (1.1004)
20.8 (0.819)'
Identification
color
Yellow
Green
Brown BlackBlue
Main bearing undersize
Unit:
mm
(in)
Crank journal diameter
Bearing
clearance
Main bearing clearance Unit:
mm
(in)
STD
0.25 (0.0098)
undersize
52951
-52.975
(2.0847 -2.0856)
52.701 -52.725
(2.0748 -2.0758)
Standard
Connecting rodbearing clearance
Standard
0.039
-0.065
(0.0015 -0.0026)
0.031 -0.055
(0.0012 -0.0022)
Connecting rodbearing undersize
Unit:
mm
(in)
Crank pindiameter
MISCELLANEOUS
COMPONENTS
Unit:
mm
(in)
0.25 (0.0098)
undersize
0.08
(0.0031)
undersize
0.12 (0.0047)
undersize
STD
Grade
0Black
Grade 1Yellow
Grade 2Blue
49.968
-49.974
(1.9672 -1.9675)
49961 -49.968
(1.9670 -1.9672)
49.954 -49.961
(1.9667 -1.9670)
49.874 -49.894"
(1.9635 -1.9643)
49.834 -49.854"
(1.9620 -1.9628)
49.704 -49.724"
(1.9568 -1.9576)
Flywheel
Runout
[TIR"]
Total indicator reading Less
than
0.15(0.0059)
": Reference value
EM-175