Page 403 - Foton Workshop Manual - Sauvana

ENGINE MECHANICAL - CYLINDER HEAD
12B-113
(b). Measure the installation surface of the
intake and exhaust manifold of the cylinder
head as well as the planeness of the
bottom plane of the cylinder head with the
precise straightedge and feeler gauge.
Max value:
The bottom plane of the cylinder
head:0.15mm
The installation surface of the intake /
exhaust manifold:0.1mm
NOTICE: 12B
• If the planeness measured exceeds the limit
value, replace or grind the cylinder head.
• While measuring the planeness, measure the
cylinder head along the diagonal direction and
measure the two diagonals of both directions for
every plane.
(c). Measure the height of the cylinder head.
Standard height:113mm
Maximum grinding amount:0.2mm
NOTICE:
• If the height of the cylinder head is not in
conformity with the standard, replace the
cylinder head.
• If the height of the cylinder head is in conformity
with the standard, grind or replace the cylinder
head.
(d). Measure the diameter both of the tappet
hole and the tappet to count the clearance
between them and decide whether
the clearance is in conformity with the
standard. If not, replace the tappet and the
cylinder head.
Standard diameter of the tappet
hole:31.00~31.02mm
Standard diameter of the
tappet:30.946~30.980mm
Standard clearance:0.020~0.056mm
Page 403