Instruction. After installing the camshaft, the engine must not be started for about 30 minutes. Hydraulic tappets must be deposited (otherwise the valves will come into contact with the pistons). After working on the valve train, rotate the engine by hand at least 2 revolutions to make sure that no valve is in contact with the piston. Lubricate with oil see bearing and running surfaces.
Valve mechanism:
1. Bolt, Replace. Follow the sequence when loosening and tightening the bolts, tighten 20 Nm + 90°
2. The axis of the rocker arms. Follow the sequence when loosening and tightening bolts
3. Bolt. Replace, observe the sequence when loosening and tightening the bolts, before installing, insert the washers -pos. 4- in the cylinder head
4. Washers for cylinder head bolts. Install in the cylinder head before installing the bearing caps
5. Hydraulic pusher. Check not to confuse (tag), fold the working surface down, check the axial clearance of the camshaft before installation, lubricate the working surface with oil
6. Valve cotters
7. Valve spring plate
8. External valve spring. Remove and install with cylinder head installed or remove and install with cylinder head removed using a valve spring puller
9. Internal valve spring. Remove and install with cylinder head installed, or remove and install with cylinder head removed using valve spring extractor -203710-
10. Oil scraper cap. Replace
I. Valve guide. Check
12. Pump-injector module
13. Cylinder head
14. Sealing cuff. Replace
15. Valves. Check. The dimensions of the valves are not subject to modification, only grinding is allowed
16. Bearing shell. Observe installation position. Previously used bearing shells must not be interchanged (mark when removing), check the correct position of the locking lugs in the bearing caps and cylinder head
17. Camshaft. Check radial clearance with Plastigage strips. Radial clearance wear limit: 0.11 mm, runout: maximum 0.20 mm
18. Bearing cap. Bearing cap 4 marked as bearing cap ''5". Seal bearing caps 1 and 4 with sealant
19. Bolt. Replace, tighten 8 Nm + 90°
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