Geely Emgrand X7. Manual part — 105
Geely Emgrand X7. Manual part - 105
Tooth Clearance
0.08～0.18mm(0.0031～0.0071in)
Oil pressure alarm device activation pressure
≤40kPa(≤6psi)
Oil Pump Output Pressure
0.77MPa (111.7psi)
Oil Pump Relief Valve Opening Pressure
0.40～0.50MPa(57.8～72.2psi)
Piston Ring
Oil Ring End Gap (mm/in)
0.20～0.40
Second Compression Ring End Gap (mm/in)
0.30～0.50
First Compression Ring End Gap (mm/in)
0.20～0.40
Sealants and Adhesives
Cylinder Head Covers Mat Sealant
1596F Flat Silicone Rubber Sealants
Engine Oily Road Cones
1608 Bowl plug seal retaining agent
Oil Pan and Crankcase Mating Surface
1590 Silicone Rubber Immediate Flat Sealant
Crankcase With The Cylinder Block Joints
1596F Flat Silicone Rubber Sealants
Flywheel Bolt
Pre-Rubberizing Bolt (LOCTITE 204)
Valve System
Intake Valve Diameter (mm/in)
34.5
Exhaust Valve Diameter (mm/in)
29.7
Valve Tube Diameter (mm/in)
5.5
Valve Stem Diameter - Intake Valve (mm/in)
5.5
Valve Rod Diameter - Exhaust Valve (mm/in)
5.5
2.6.1.3 Specification Table for Tappet Rods of Intake and Exhaust Valves
Packet No.
Thickness size (mm/in)
Packet
No.
Thickness size (mm/in)
06 5.06（0.1992）
42 5.42（0.2134）
08 5.08（0.20）
44 5.44（0.2142）
10 5.10（0.2008）
46 5.46（0.2150）
12 5.12（0.2016） 48
5.48（0.2157）
14 5.14（0.2024） 50
5.50（0.2165）
419
16 5.16（0.2031） 52
5.52（0.2173）
18 5.18（0.2039） 54
5.54（0.2181）
20 5.20（0.2047） 56
5.56（0.2189）
22 5.22（0.2055） 58
5.58（0.2197）
24 5.24（0.2063） 60
5.60（0.2205）
26 5.26（0.2071） 62
5.62（0.2213）
28 5.28（0.2079） 64
5.64（0.2220）
30 5.30（0.2087） 66
5.66（0.2236）
32 5.32（0.2094） 68
5.68（0.2244）
34 5.34（0.2102） 70
5.7（0.2252）
36 5.36（0.2110） 72
5.72（0.226）
38 5.38（0.2118） 74
5.74（0.2268）
40 5.40（0.2126）
420
2.6.1.4 Selection Table for Tappet Rod of Intake Valve
所安装挺杆编号
及对应厚度(mm)
测量间隙
进气门气门挺杆规格表
（mm）
5.06
10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 54 66 68 70 72 74
18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 10
24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
48 50 52 54 56 58 60 62 64 66 68 70 72 74
50 52 54 56 58 60 62 64 66 68 70 72 74
52 54 56 58 60 62 64 66 68 70 72 74
54 56 58 60 62 64 66 68 70 72 74
56 58 60 62 64 66 68 70 72 74
58 60 62 64 66 68 70 72 74
60 62 64 66 68 70 72 74
62 64 66 68 70 72 74
64 66 68 70 72 74
66 68 70 72 74
68 70 72 74
70 72 74
72 74
74
04
06
08
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
06
08
10
12
14
16
18
20
22
21
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
06
08
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
44
48
50
52
54
56
58
60
62
64
06
08
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
42
46
48
50
52
54
56
58
60
62
06
08
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
06
08
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
06
08
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
06
08
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
10
42
44
46
48
50
52
54
06
08
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
06
08
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
68
68
66
64
62
60
58
56
54
52
70
70
68
66
64
62
60
58
56
54
06
5.08
08
5.10
10
5.12
12
5.14
14
5.16
16
5.18
18
5.20
20
5.22
22
5.24
24
5.26
26
5.28
28
5.30
30
5.32
32
5.34
34
5.36
36
5.38
38
5.40
40
5.42
42
5.44
44
5.46
46
5.48
48
5.50
50
5.52
52
5.54
54
5.56
56
5.58
58
5.60
60
5.62
62
5.64
64
5.66
66
5.68
68
5.70
70
5.72
72
5.74
74
0
.00
0～
0.
030
0
.03
1～
0.
050
0
.05
1～
0.
070
0
.07
1～
0.
090
0
.09
1～
0.
110
0
.11
1～
0.
130
0
.13
1～
0.
150
0
.15
1～
0.
170
0
.17
1～
0.
190
0
.19
1～
0.
199
0
.20
0～
0.
260
0
.26
1～
0.
280
0
.28
1～
0.
300
0
.30
1～
0.
320
0
.32
1～
0.
340
0
.34
1～
0.
360
0
.36
1～
0.
380
0
.38
1～
0.
400
0
.40
1～
0.
420
0
.42
1～
0.
440
0
.44
1～
0.
460
0
.46
1～
0.
480
0
.48
1～
0.
500
0
.50
1～
0.
520
0
.52
1～
0.
540
0
.54
1～
0.
560
0
.56
1～
0.
580
0
.58
1～
0.
600
0
.60
1～
0.
620
0
.62
1～
0.
640
0
.64
1～
0.
660
0
.66
1～
0.
680
0
.68
1～
0.
700
0
.70
1～
0.
720
0
.72
1～
0.
740
0
.74
1～
0.
760
0
.76
1～
0.
780
0
.78
1～
0.
800
0
.80
1～
0.
820
0
.82
1～
0.
840
0
.84
1～
0.
860
0
.86
1～
0.
880
0
.88
1～
0.
900
0
.90
1～
0.
920
GC02-0002c
2.6.1.5 Selection Table for Tappet Rod of Exhaust Valve
所安装挺杆编号
及对应厚度(mm)
测量间隙
排气门气门挺杆规格表
（mm）
5.06
10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 54 66 68 70 72 74
18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
46 48 50 52 54 56 58 60 62 64 66 68 70 72 74
48 50 52 54 56 58 60 62 64 66 68 70 72 74
50 52 54 56 58 60 62 64 66 68 70 72 74
52 54 56 58 60 62 64 66 68 70 72 74
54 56 58 60 62 64 66 68 70 72 74
56 58 60 62 64 66 68 70 72 74
58 60 62 64 66 68 70 72 74
60 62 64 66 68 70 72 74
62 64 66 68 70 72 74
64 66 68 70 72 74
66 68 70 72 74
68 70 72 74
70 72 74
72 74
74
04
06
08
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
06
08
10
12
14
16
18
20
22
21
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
06
08
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
44
48
50
52
54
56
58
60
62
64
06
08
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
42
46
48
50
52
54
56
58
60
62
06
08
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
06
08
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
06
08
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
06
08
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
10
42
44
46
48
50
52
54
06
08
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
06
08
06
10
08
06
12
10
08
06
14
12
10
08
06
16
14
12
10
08
18
16
14
12
10
20
18
16
14
12
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
68
68
66
64
62
60
58
56
54
52
70
70
68
66
64
62
60
58
56
54
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
50
48
46
44
52
50
48
46
06
5.08
08
5.10
10
5.12
12
5.14
14
5.16
16
5.18
18
5.20
20
5.22
22
5.24
24
5.26
26
5.28
28
5.30
30
5.32
32
5.34
34
5.36
36
5.38
38
5.40
40
5.42
42
5.44
44
5.46
46
5.48
48
5.50
50
5.52
52
5.54
54
5.56
56
5.58
58
5.60
60
5.62
62
5.64
64
5.66
66
5.68
68
5.70
70
5.72
72
5.74
74
0.000
～0.03
0
0.031
～0.05
0
0.051
～0.07
0
0.071
～0.09
0
0.091
～0.11
0
0.111
～0.13
0
0.131
～0.15
0
0.151
～0.17
0
0.171
～0.19
0
0.191
～0.21
0
0.211
～0.23
0
0.231
～0.25
0
0.251
～0.27
0
0.271
～0.28
9
0.290
～0.35
0
0.351
～0.37
0
0.371
～0.39
0
0.391
～0.41
0
0.411
～0.43
0
0.431
～0.45
0
0.451
～0.47
0
0.471
～0.49
0
0.491
～0.51
0
0.511
～0.53
0
0.531
～0.55
0
0.551
～0.57
0
0.571
～0.59
0
0.591
～0.61
0
0.611
～0.63
0
0.631
～0.65
0
0.651
～0.67
0
0.671
～0.69
0
0.691
～0.71
0
0.711
～0.73
0
0.731
～0.75
0
0.751
～0.77
0
0.771
～0.79
0
0.791
～0.81
0
0.811
～0.83
0
0.831
～0.85
0
0.851
～0.87
0
0.871
～0.89
0
0.891
～0.91
0
0.911
～0.93
0
0.931
～0.95
0
0.951
～0.97
0
0.971
～0.99
0
0.991
～1.10
0
GC02-0003c
Air intakevalve tappet rod specification list
Clearance
measurement(mm)
All installing tappet rod
code and corresponding
thickness(mm)
Clearance
measurement(mm)
All installing tappet rod
code and corresponding
thickness(mm)
Air exhaust valve tappet rod specification list
421
2.6.2 Description and operation
2.6.2.1 Description and operation
Camshaft
Dual overhead camshaft (DOHC) has two camshafts. A camshaft controls the intake valves, the
other camshaft controls the exhaust valves. The camshaft is located in the journal in the cylinder
hood on the top of the engine and fixed with camshaft bearing cap. The cylinder hood camshaft
journal drilling is used for engine oil channel. Engine oil flows to the camshaft under pressure,
lubricating each camshaft journal. Engine oil flows through the cylinder hood to return to oil pan.
Cam convex corner is formed by machining, at the right time, according to the appropriate amount,
accurately open and close intake and exhaust valves. Cam convex is lubricated by high-pressure
oil escaped from the engine camshaft.
Crankshaft
The crankshaft has an monolithic structure, and its rough cast is made by one piece of steel
material via forge work. The monolithic crankshaft has the features of reliable running and light
weight as well as relative high rigidity and strength with little processing area; the monolithic
crankshaft is often used with the sliding bearing. The crankshaft has timing gears and belt pulley
at the front end, with simple structure and serviceability; the other end has flange where the
flywheel attached to the crankshaft via bolts and pin stop. The pin stop can ensure the correct
fitting position for the flywheel and the crankshaft during reinstalling the flywheel. Such
connection is simple in structure and reliable to use.
Flywheel
The installation of the flywheel can reduce the crank up unevenness. When the output torque is
greater than the drag torque, the flywheel can absorb the excessive work to increase its speed.
When the output torque is less than the drag torque, the flywheel can release the stored energy to
decrease its kinetic energy with the speed of the engine slightly lowered; therefore, the flywheel is
an energy storing device, able to adjust the changes of crankshaft speed so as to provide stability.
Piston Components
The piston components include the piston, piston pin and piston ring which are moving fore and
after within the cylinder. They are the components working under the most critical conditions in
the reciprocating engine. The reliability and durability of the engine depend largely on the running
conditions of the piston group. The piston components' lift time determines the repair interval of
the engine.
Connecting rode components
The connecting rode components in the internal-combustion engine include connecting rode body,
cap, bushing and bolts. The connecting rode components' function is to convert the reciprocating
movement of the piston to the pivoting movement of the crankshaft and transmit the force from
the piston group to the crankshaft.
422
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