Zontes ZT310M 2022, Руководство по обслуживанию

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7. As shown in the figure, install the heat insulation pad (2 O-rings are not missing), the high-pressure oil pipe bracket
and the intake manifold sub-assembly.
Cylinder head installation
1
、
Remove the oil, water and dust on the joint surface of the cylinder and the cylinder head. After checking the
cylinder and piston surfaces for foreign objects, install two φ12 positioning pins and cylinder block and cylinder head
gaskets (
Note: the cylinder block and cylinder head gaskets cannot be reused.After the cylinder head has
been disassembled, the cylinder block box gasket also needs to be replaced, and the joint surface needs to
be coated with a flat sealant. For the installation of the cylinder piston, refer to the ZT310T-M Engine
Maintenance Manual-Cylinder
、
Piston
).
2
、
As shown in the figure, check whether the timing chain has fallen off from the timing driving sprocket.If it falls off,
you need to re-hang the timing chain on the timing driving gear.
3
、
As shown in the figure, after confirming that there is no missing or wrong installation, install the cylinder head into
the corresponding position of the engine.3 After evenly pre-tightening the cylinder head nut and the two side locking
bolts, use a fixed torque wrench to tighten (M10×1.25 hexagon flange nut fixed torque 52±5 N•m, M8×110 hexagon
flange surface 9.8 Grade bolts with a fixed torque of 21±2 N•m).
Cylinder block and
cylinder head gasket Locating pin 12×20
Timing chain
Timing drive sprocket