Note: Replace the cylinder head screws. During installation work, the self-locking nuts and screws that are tightened by turning to a specified angle, as well as the sealing rings and gaskets, must be replaced. The plastic gaskets included in the delivery set for protecting open valves can only be removed immediately before installing the cylinder head. When replacing the cylinder head or its gasket, replace the coolant and engine oil.
1. Landing pin
2. Cylinder head gasket: replace; installation position: part number facing the cylinder head
3. Cylinder head
4. Bolt: replace; follow the sequence of actions when turning away; follow the sequence of actions when tightening
5. Heat-protective casing
6.9 Nm
7.9 Nm
8. Heat-protective casing
9.9 Nm
10. 9 Nm
11. Branch pipe: for coolant hose
12. O-ring: replace; lubricate the coolant
13. Cylinder head mounting bolt: replace; follow the sequence of actions when turning away; follow the sequence of actions when tightening
14. O-ring: replace; lubricate the coolant
15. Branch pipe: for coolant hose
16.9 Nm
17. Fastening: for engine casing
18. Engine hanging eye
19. 8 Nm and turn 90° (¼ turn): replace
20. Gasket
21. Spherical journal: for engine casing
22. Engine hanging eye
23. 8 Nm and turn 90° (¼ turn): replace
24. Landing pin
Sequence for loosening the cylinder head mounting screws
Unscrew the "arrow" screws. Loosen the cylinder head mounting screws in the sequence -1...10-.
Sequence for tightening cylinder head mounting screws
Tighten the cylinder head mounting screws in the sequence -1...10- as follows.
1. Pre-tighten with a torque wrench to 40 Nm.
2. 90° (turn ¼ turn further.).
3. 90° (turn ¼ turn further.).
4. Pre-tighten the arrow screws to a torque of 4 Nm.
5. Tighten the "arrow" screws by 90° (¼ turn).