EMA -4 ENGINE MECHANICAL SYSTEM
Specif
ications
Description
G6DB - 3
.3
G6DA - 3
.8
Limit
Intake
0.17 ~ 0.23mm (0.0067 ~ 0.0090in)
0.10 ~ 0.30mm
(0.0039 ~ 0.0118in)
Exhaust
0.27 ~ 0.33mm (0.0106 ~ 0.0129in)
0.20 ~ 0.40mm
(0.0078 ~ 0.0157in)
Cylinder block
Cylinder bore
92.00 ~
92.03mm
(3.622
0 ~ 3.6232in)
96.00
~ 96.03mm
(3.779
5 ~ 3.7807in)
Flatness of gasket surface
Less than 0.05mm (0.0019in)
[Less than 0.02mm (0.0008in) / 150x150]
Piston
Piston outer diameter
91.96 ~ 92.00mm
(3.6205 ~ 3.6220in)
95.96 ~ 95.99mm
(3.7779 ~ 3.7791in)
Piston to cylinder clearance
→
0.03 ~
0.05mm
(0.00
12 ~ 0.0020in)
No. 1 ring groove
→
1.22 ~ 1.24
(0.0480 ~ 0.0488in)
1.26mm (0.0496in)
No. 2 ring groove 1.22 ~ 1.24mm (0.0480 ~ 0.0488in) 1.26mm (0.0496in)
Ring groove width
Oil ring groove 2.01 ~ 2.03mm (0.0791 ~ 0.0799in) 2.05mm (0.0807in)
Piston ring
No. 1 r ing
→
0.03 ~ 0.07mm
(0.0012 ~ 0.0027in)
0.1mm (0.004in)
No. 2
ring
0.03
~ 0.07mm (0.0012 ~ 0.0027in)
0.1m
m (0.004in)
Side clearance
Oil ring 0.06 ~ 0.15mm (0.0024 ~ 0.0059in) 0.2mm (0.008in)
No. 1
ring
0.17
~ 0.32mm (0.0067 ~ 0.0126in)
0.6m
m (0.0236in)
No. 2 r ing 0.32 ~ 0.47mm (0.0126 ~ 0.0185in) 0.7mm (0.0275in)
End g
ap
Oil
ring
0.2
0 ~ 0.70mm (0.0078 ~ 0.0275in)
0.8
mm (0.0315in)
Piston pin
Piston pin outer diameter
→
23.001 ~ 23.006mm
(0.9055 ~ 0.9057in)
Piston pin hole inner diameter
→
23.016 ~ 23.021mm
(0.9061 ~ 0.9063in)
Piston pin hole clearance
→
0.01 ~ 0.02mm
(0.0039 ~ 0.0078in)
Connecting rod small end inner diameter 22.974 ~ 22.985mm (0.9045 ~ 0.9049in)
Connecting rod
Connecting rod big end innerdiameter 58.000 ~ 58.018mm(2.2834 ~2.2842in)
Connecting rod bearing oil clearance
→
0.038 ~ 0.056mm
(0.0015 ~ 0.0022in)
Side clearance 0.1 ~ 0.25mm (0.0039 ~ 0.009 8in)
Crankshaft
Main journal outer diameter 68.942 ~ 68.960mm (2.7142 ~ 2.7149in)
Pin journal outer diameter 54.954 ~ 54.972mm (2.1635 ~ 2.1642in)
To Next Page
Loading...