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ENGINE
73
Tightening sequence
Fig. 6
Fig. 7
Fig. 5
7.
Remove the turbocharger and exhaust
manifold as per the removal procedure.
8.
Loosen the cylinder head bolts in the reverse
sequence (i.e. : - 17 to 1) (fig. 3).
9.
Screw the handle 312 589 01 31 in the cylinder
head and lift the cylinder head. (fig. 4).
10. Remove cylinder head gasket. Do not clean
the contact surfaces if gasket failure is
suspected. Keep it for analysis.
11. Clean tapped holes of studs/ bolts in the
crankcase.
INSTALLATION OF CYLINDER HEAD
1.
Align cylinder head gasket with dowels on
crank case ensuring “TOP” mark towards
cylinder head.
2.
Screw the handle and 312 589 0131 to
cylinder head and mount cylinder head on the
crankcase (fig. 5).
3.
Smear threads of studs with lubricating oil. Do
not pour oil into tapped holes of crank case.
4.
Insert studs and tighten them with screw
driver.
5.
Install cylinder head and tighten cylinder head
mounting bolts to 6 mkg torque in the correct
sequence as shown. Then tighten bolts to 9
mkg torque in same sequence. Then tighten
to 11 mkg torque. (fig. 6).
6.
Insert push rods in their position.
7.
Clean base of rocker shaft brackets and their
seats on cylinder head, fit rocker shaft
assemblies on cylinder head and tighten
mounting bolts slightly (fig. 7).