4-5
SPEC
MAINTENANCE SPECIFICATIONS
Model name:
MX360
Model code number:
7HCJ
Valve:
mm (in)
Head diameter “A”
IN
31.9–32.1 (1.2559–1.2638)
EX
27.9–28.1 (1.0984–1.1063)
Stem diameter “B”
IN
5.948–5.963 (0.2342–0.2348)
EX
5.940–5.955 (0.2339–0.2344)
<Limit>
IN
5.918 (0.2330)
EX
5.910 (0.2327)
Stem length “C”
IN
88.1 (3.4685)
EX
88.1 (3.4685)
Valve face contact width “D”
IN
0.7–0.9 (0.0276–0.0354)
EX
0.7–0.9 (0.0276–0.0354)
<Limit>
IN
1.6 (0.063)
EX
1.6 (0.063)
Valve seat contact width
IN
0.7–0.9 (0.0276–0.0354)
EX
0.7–0.9 (0.0276–0.0354)
<Limit>
IN
1.6 (0.063)
EX
1.6 (0.063)
Valve seat width
IN
0.7–0.9 (0.0276–0.0354)
EX
0.7–0.9 (0.0276–0.0354)
Valve margin thickness
IN
***
EX
***
Valve stem runout limit
***
“
θ
”
***
Valve guide
Guide inside diameter
IN
6.000–6.012 (0.2362–0.2367)
EX
6.000–6.012 (0.2362–0.2367)
Stem to guide clearance
IN
0.037–0.064 (0.0015–0.0025)
EX
0.045–0.072 (0.0018–0.0028)
Valve clearance (cold)
IN
0.05–0.09 (0.0020–0.0035)
EX
0.05–0.09 (0.0020–0.0035)
Push rod:
mm (in)
Runout limit
0.15 (0.0059)
7HC-F8197-11.indb 5
2015/09/01 14:08:22