Page 94 - Foton Workshop Manual - Aumark (BJ1099)

03-8
MAINTENANCE SPECIFICATION - ENGINE MECHANICAL SYSTEM (G01)
ENGINE MECHANICAL SYSTEM(G01)

MAINTENANCE DATA

Item Standard value Limit value
Relative to the
Radial runout front & rear end — 0.08mm
journals

Relative to
Radial runout — 0.04mm
adjacent journal

Intake cam base circle/valve lift 32/10.2 —
Exhaust cam base circle/valve lift 32/10 —
Cam base circle runout limit — 0.035mm
Camshaft
Camshaft axial clearance 0.15 ~ 0.27mm —

Camshaft journal First journal 27.946 ~27.966mm —
diameter Others 23.955 ~ 23.976mm —

Camshaft journal First journal 0.034 ~ 0.075mm —
clearance Others 0.024 ~ 0.066mm —

Cylinder head First journal 28 ~ 28.021mm —
camshaft hole
diameter Others 24 ~ 24.021mm —
Cylinder head planeness — 0.04mm
Cylinder Limit of deformation of cylinder head
— 0.04mm
head manifold mating surface
Height of cylinder head 103.5mm —

Free length of valve spring 45.52mm —
Valve
spring Preload of valve spring 36.3 mm at 271 ~ 299 N —
Valve spring perpendicularity limit 1.4mm —

∠α 45° 10′ ± 10′ —

Intake 33.85 ± 0.1mm —
Valve seat width
Valve Exhaust 28 ± 0.1mm —
Intake 103.97mm —
Valve length
Exhaust 101.87mm —

Page 94