Page 95 - Foton Workshop Manual - Sauvana

03-9
MAINTENANCE SPECIFICATION - ENGINE MECHANICAL SYSTEM (G01)

Valve stem Intake 5.973 ~ 5.987mm —
diameter Exhaust 5.958 ~ 5.972mm —
Clearance Intake 0.013 ~ 0.042mm —
between the
valve stem and Exhaust 0.028 ~ 0.057mm —
Valve the guide pipe
03
Valve head Intake 1.1 ~ 1.5mm —
contact width Exhaust 1.0 ~ 1.3mm —

Valve head edge Intake 1.95 ~ 2.25mm —
thickness Exhaust 2.65 ~ 2.95mm —

Valve guide pipe Intake 6 ~ 6.015mm —
inner diameter Exhaust 6 ~ 6.015mm —
Valve guide Projection of Intake 16.5 ± 0.3mm —
pipe valve guide

pipe out of the Exhaust 16.3 ± 0.3mm —
cylinder head
Piston large diameter 81.975 ± 0.009mm —
Piston
Piston pin hole diameter 21.002 ~ 21.006mm —

Piston ring First ring 0.04 ~ 0.08mm —
groove backlash Second ring 0.03 ~ 0.07mm —
Piston ring
Piston ring end First ring 0.5525 ~ 0.9575mm —
clearance Second ring 0.6525 ~ 1.0575mm —
Piston pin diameter 20.995 ~ 21mm —

Piston pin Clearance between piston pin and
piston pin hole 0.004 ~ 0.009mm —
Clearance between connecting rod 0.011 ~ 0.022mm —
small end and piston pin
Connecting Connecting rod big end backlash 0.09 ~ 0.3mm —
rod
Connecting rod small end hole 21.011 ~ 21.017mm —
diameter

Connecting rod journal diameter 47.758 ~ 47.778mm —
Crank pin roundness and parallelism 0.004/0.01mm —

Connecting rod bearing clearance 0.02 ~ 0.064mm —
Crankshaft Main journal runout 0.03mm —

Main bearing clearance 0.022 ~ 0.054mm —
Axial clearance 0.14 ~ 0.3mm 0.3

Main journal roundness 0.005mm —

Page 95