Yanmar 4JH2E Service Manual page 403

4JHE/4JH2E PARTS DIFFERING IN SHAPE
Specification
No.
Part 4JH2E Series
Reason for
Remarks
Current 4JH-DTE
Difference
4JH2E 4JH2-TE 4JH2-HTE 4JH2-DTE 4JH2-UTE
Output
Cont
70H P /3500rpm
46/3400 57/3400
69/3400 80/3400
rBtina
1
Max.
Clutch output
Clutch output Clutch output Clutch output Clutch output Clutch output
Indication in
77 HP /3600rpm
48/3600 60/3600
72/3600
85/3600 96/3600
nameplate is
for flywheel
Flywheel output Flywheel output Flywheel output Flywheel output FI ywheel output output.
50/3600
62/3600 75/3600
88/3600
100/3600
2
Cylinder 129472-01000
129573-01000
Bore enlargement
Design change in
block CMP for cyl. w/sleeve
-
for sleeveless cyl.
by
sleeveless
corner of main
.
.
.
Cyl. block:
-
beering(2-2.5)
129402-01010
structure
3
Cylinder sleeve
[129472-01100) None
Bore enlargement
by sleeveless
structure
4
Cyl. heed gasket ¢ 78mm bcre,for cyl.
(129573-01340
Bore enlargement
w/sleeve
Grommeo (at bath
( 1.3t6 by sleeveless
No gromm•u
1ndl)
-0135
structure
(H both tnd1) 4JH21tamp
( 1 . 4t)
-01360
~
.
I
( 1.5t)l
TI 11 TI 11
standard
¢82mm for
sleeveless cyl.
5
Engine name
(129473-07010J ( 1 29570-07010J (129571-07010J ( 129572-0701 OJ (129573-0701 OJ (129574-0701DJ
plate
-07020
Model: 4JH-DTBE Model: 4JH2E Model: 4JH2-TE Model: Model: Model:
4JH-DTE 4JH2-HTE 4JH2-DTE 4JH2-UTE
6
Metal cap 10±0.5 kg-m
11 ±0.5 kg-m
P
max.
JH2 mass-
tightening
mer ease
produced.
-
-
As for JH. the
torque
torque will be
changed to
11 ka-m.
7 Rocker arm
(129150-11260)
(129155-11260)
Rocker arm
support
-11270
-11270
support of
Made of FCD - -
Made of ACD
current 4J H is
.
to be changed
also to of ADC.
8
Supercharger (129474-18001)
None
(129571-18000) (129474-18001) (129473-18000) Combustion
RHB52
9000 I VHP12NF 5200JIHP12NW
Same as current
5200JI HP15NW
performance
(Water cooling)
BR L3511 E BRL3511E
4JH-DTE
BRL3511E
MY60
• MY60" • M Y67" "MY60"
(Old type of
4J H-DTE)
MY34
Abbreviation:
"MY34"
- - - - - -
9
Crankshaft
(129474-21010)
(129573-21010)
P max.
I
SCM440 SCM440 increase
I Discrimination Resi ntered
Stamp: C Discrimination-•
(on No.4 arm)
(Same as left) (on No.4 arm)
10
Flywheel CMP
Q
(129472-21590)
(129573-21590)
To make it
.....
j;t§,to,10
-
-
~s
..
added
-
applicable
l'C02 for
X·15
toBob tall
.L
I
r
I
IS:~
BA: l ! !I polnh)
11
Piston
I
( 129474-22010)
(129570-22010)
(129572-22010) (129573-22010)
Bore enlarging. 4JH2-HTE &
dia.78mm Troidal
dlL 82mm VPBC (Petal
di'-
82m~etol)
dlo. 82mm YPBC IPetol
Combustion 4JH2-DTE
SlompA-@
SlampC
~
performance differ in
combustion
chamber only.
12
Piston ring
(129550-22100)
'
(129573-22100)
Bore enlargement
Differ in
(Top)
Chrome-plating on
Chrome-plating
material
3 faces
.
'
on 3 faces
Piston ring(2nd) (129795-22120)
-
(129351-22100)
Bore enlargement
Oil ring
(129795-22200) (12g573-23010) Bore enlargement
Differ in
.
.
material
13
Conn. rod
[129150-23010]
[129573-23010]
P max.
• Small end: Straight
•Small end: Taper
increase
•Small end:
• Small end:
I
Hol•dla.• 29mm
.
Hol1dl1.• 31mm
•Tightening torque:
• Tightening torque:
4.5-5.0 kg-m
5.0- 5.5 kg-m
14 Piston pin
r12g150-22300)
.
(129573-22300)
P max .
dia.26
x
i! 66mm
dia.28X 2 69mm increase
15
Piston pin
(129100-23100)
(129573-23100)
P max.
metal dia. 66mm Straight
.
dia. 28mm Taper
-
increase
Piston pin
[121100-22400) [22252-000280)
-
16
snap ring
Coil(Round)
.
Circlip(Flat)
-
For dia. 26mm hole For dia. 28mm hole
17
Seawater pump [129470-42500)
Dody
l 119573-42500)
Increase in That for 4J H2
~
Discharge capacity:
Discharge capacity:
-
.
3750 £/hr
heat
1s changed in
3250 !/hr
(Cam lift
exchanged
design and
Cam lift: 4.5mm
w
increasedi5mm
calorie
applied to
current 4JH.
18
Fresh water (129470-44010) (129573-44010) Increase in
cooler Cooler inset dia.
Cooler inset dia.
heet
(Body)
76.5mm
- -
83mm
exchanged
Length: 451mm
Length: 481mm
calorie