Hino S5-LJ05E04A, Руководство по ремонту

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ENGINE MECHANICAL (J05E) 10–41
(2) Use the spring tester to measure the set load of the valve spring.
If a measured load exceeds the permissible limit, replace the
valve spring.
(3) Use the vernier calipers to measure a free length of a valve
spring. If a measurement reading exceeds the permissible limit,
replace the valve spring.
Referential values in brackets []
4. INSPECTING THE OIL CLEARANCE OF THE VALVE GUIDE
AND VALVE STEM
(1) Use the micrometer to measure the outside diameter of the valve
stem.
SHTS021270900086
Measured item
Standard
value
Permissi-
ble limit
Inner spring
Set length
(mm {in.})
44.8 {1.764}
–
Set load
(N {kgf})
128.5 {13.1} 118.2 {12}
Outer spring
Set length
(mm {in.})
46.8 {1.843}
–
Set load
(N {kgf})
313.8 {32} 288.7 {29.4}
SHTS021270900087
Measured item
Standard value
(mm {in.})
Permissible limit
(mm {in.})
Inner spring [64.6 {2.543}] 61.6 {2.425}
Outer spring [75.7 {2.980}] 72.7 {2.862}
SHTS021270900088
Measured item
Standard value
(mm {in.})
Intake valve stem 7 {0.276}
Exhaust valve stem 7 {0.276}