JAC J2 - Page 63

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Maintenance Manual for J2 Sedan
Mechanical Part of Engine
62
②
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The mechanical
tappet at
the exhaust
side will
be grouped and
assembled as
per the
following table
to ensure the intake valve clearance.
Distance between exhaust camshaft base circle
and valve tappet L2
Top end thickness of
mechanical tappet
Mechanical
tappet label
Valve clearance
(mm)
2.99
＜
L2≤3.01
2.70
270
0.27-0.33
3.01
＜
L2≤3.03
2.72
272
0.27-0.33
3.03
＜
L2≤3.05
2.74
274
0.27-0.33
3.05
＜
L2≤3.07
2.76
276
0.27-0.33
3.07
＜
L2≤3.09
2.78
278
0.27-0.33
3.09
＜
L2≤3.11
2.80
280
0.27-0.33
3.11
＜
L2≤3.13
2.82
282
0.27-0.33
3.13
＜
L2≤3.15
2.84
284
0.27-0.33
3.15
＜
L2≤3.17
2.86
286
0.27-0.33
3.17＜
L2≤3.19
2.88
288
0.27-0.33
3.19
＜
L2≤3.21
2.90
290
0.27-0.33
3.21
＜
L2≤3.23
2.92
292
0.27-0.33
3.23＜
L2≤3.25
2.94
294
0.27-0.33
3.25
＜
L2≤3.27
2.96
296
0.27-0.33
3.27
＜
L2≤3.29
2.98
298
0.27-0.33
3.29
＜
L2≤3.31
3.00
300
0.27-0.33
3.31
＜
L2≤3.33
3.02 302 0.27-0.33
3.33
＜
L2≤3.35
3.04 304 0.27-0.33
3.35
＜
L2≤3.37
3.06
306
0.27-0.33
3.37
＜
L2≤3.39
3.08
308
0.27-0.33
3.39
＜
L2≤3.41
3.10 310 0.27-0.33
3.41
＜
L2≤3.43
3.12 312 0.27-0.33
3.43
＜
L2≤3.45
3.14
314
0.27-0.33
3.45
＜
L2≤3.47
3.16 316 0.27-0.33
3.47＜
L2≤3.49
3.18 318 0.27-0.33
3.49
＜
L2≤3.51
3.20 320 0.27-0.33
3.51
＜
L2≤3.53
3.22
322
0.27-0.33
3.53
＜
L2≤3.55
3.24
324
0.27-0.33
3.55＜
L2≤3.57
3.26 326 0.27-0.33
3.57
＜
L2≤3.59
3.28
328
0.27-0.33
3.59
＜
L2≤3.61
3.30
330
0.27-0.33
Table: Distance between the exhaust camshaft base circle and top of valve tappet, top end thickness of
mechanical tappet assembly grouping and assembling