O P E R A T I O N & M A I N T E N A N C E M A N U A L
17
(
4
)
Lube oil pressure in main passage
(
MPa
)
At normal operation
0.2
~
0.4
At min. steady speed
≥
0.065
5. Governor characteristics
800
≤
Min .Idling steady speed
(
r/min
)
≤
900 steady regulation
(
%
)
≤
5
6
. Battery (engine not include) capacity (A) ≥150
4. torque limits of main bolts and nut
(
N.m
)
YD380D
YD385D
YD480D
cylinder head bolts
175
~
195
210
~
230
175
~
195
connecting rod bolts
50
~
60
60
~
70
50
~
60
main bearing cap bolts
110
~
130
115
~
135
110
~
130
flywheel bolts
60
~
70
60
~
70
60
~
70
crankshaft belt bolts
140
~
160
140
~
160
140
~
160
4. torque limits of main bolts and nut
(
N.m
)
YND485D
YSD490D
Y490D
cylinder head bolts
210
~
230
130
~
150
connecting rod bolts
70
~
80
120
~
140
main bearing cap bolts
140
~
160
145
~
165
flywheel bolts
60
~
70
105
~
125
crankshaft belt bolts
140
~
160
140
~
160
4. torque limits of main bolts and nut
(
N.m
)
Y495D
Y4100D
Y4102D
cylinder head bolts
130
~
150
160
~
200
connecting rod bolts
120
~
140
100
~
140
main bearing cap bolts
145
~
165
200
~
240
flywheel bolts
105
~
125
130
~
150
crankshaft belt bolts
140
~
160
200
~
260
4. torque limits of main bolts and nut
(
N.m
)
Y4105D
Y4102ZLD
Y4105ZLD
cylinder head bolts
160
~
200
connecting rod bolts
130
~
150
main bearing cap bolts
200
~
240
flywheel bolts
130
~
150
crankshaft belt bolts
200
~
260