Mitsubishi 4DQ50 - Performance of 4 DQ50 Diesel Engine

jRection Units
Parts
,I(;
Checkup Items Nominal
Sett ing
LJmi t of
Repai r
Rtandard
(Clearance
Bhaft and
Middle bracket outer
22¢
brackets
125
dian,
inner d iam and
23¢
-tIl.B-HI.942
standard clearance
126
Diammeter
43¢
Canmutator
127
EcceD
tr ici ty (Runout)
less t baa 0.05
0.3
12B
Mica height
0.5- O.B
0.2
129
Brushes
Height
16
130
StreDgth of
springs
1.0 kg
±15%
E
"
Gap between
pinion
...
..
......
131
stopper -and pinion,
0.3 -1.5
»
>-
when pushed ahead by ..
N
...
lever
.!!
......
Pinion
..
..
Switch-on voltage with
...
132
6.5-10V
" "
pin ion locked
..
..
~
..
<II
133
Axial gap to r iDg gear
3
±
1
..
cr.
Terminal
Current
V-ol tage
13
4
Per formance
Non-load
below
runniag speed
11.3V
BOA
Load
10 V 200A
d1z !Cteris tics
Binding
6.5V
above
torque
SOOA
Proat metal
inner
di_ shaft diam
+0.030
anel s t 3Ilelard
12.2[,6
(0.2)
clearance
-+0.076
I--
Bear metal iUDer
>-
Shaft and
diam shaft diam
14.2[,6
+0.050
Brackets
and s t anelard
-+0.09B
(0.2)
"'¢
clearaace
N
Center metal iUDer
..
diam shaft diam
20.3[,6
+0.220
(0.5)
..
..
and staadard
-+0.353
..
clearance
<II
..
C7J
Diameter
43[,6
Coamutator
Brushes
Height
19
Strength of
spring
2 kg
±1S%
Pinion
Gap between pin iOD
stopper and pinion
0.5-2.0
Axial gap to ring gear
3 ±1
- 96-