JAC J2 User Manual



Maintenance Manual for J2 Sedan
Mechanical Part of Engine
60
3
）
Inspection after remo
val
①
 Camshaft
■
Measuring camshaft base circle diameter and
the maximum lifting strokes of intake and
exhaust.
Base circle diameter: 36mm
Maximum lifting stroke of intake
：
8.7054mm
Maximum lifting stroke of exhaust
：
8.2836mm
If specified value is exceeded, replace the
camshaft.
②

Mechanical
tappet
■
Measure
the
top
thickness of
the
mechanical
tappet
Measurement should be within: 2.70
～
2.30mm
4
）

Installati
on
Assembly of camshaft machenism:
 All parts camshaft assembly should be assembled according to
grouped drawings.
①

The
mechanical
tappet
at
the
intake
side
will
be
grouped and
assembled as
per
the
following table
to ensure the intake valve clearance.
Distance between intake camshaft base
circle
and valve tappet L1
Top end thickness of
mechanical tappet
Mechanical tappet
label
Valve clearance
(mm)
2.91
＜L1≤2.93
2.70
270 0.19-0.25
2.93
＜
L1≤2.95
2.72
272 0.19-0.25
2.95
＜
L1≤2.97
2.74
274
0.19-0.25
2.97
＜
L1≤2.99
2.76
276
0.19-0.25
2.99
＜
L1≤3.01
2.78
278 0.19-0.25
3.01
＜
L1≤3.03
2.80
280 0.19-0.25
3.03
＜
L1≤3.05
2.82
282
0.19-0.25
3.05
＜
L1≤3.07
2.84
284 0.19-0.25
3.07
＜L1≤3.09
2.86
286 0.19-0.25
3.09
＜
L1≤3.11
2.88
288 0.19-0.25
3.11
＜
L1≤3.13
2.90
290
0.19-0.25
Fig.1.1.039
Fig.1.1.038

JAC J2 Specifications

General

Brand	JAC
Model	J2
Category	Automobile
Language	English