1 - bearing cover. When installing, pay attention to the correct position of the holes. The fourth bearing cap is not shown in fig. The camshaft has 5 bearings.
2 - nut, 20 Nm
3 - camshaft. With prolonged operation of the camshaft, it is recommended to measure the clearance in its bearings. Check the radial clearance with a soft plastic wire. Permissible wear 0.1 mm; allowable radial warp 0.01 mm
4 - segment key. Checked for secure fit
5 - bolt, 80 Nm
6 - plug. Always replaced
7 - poppet pusher (hydropusher). Lay after removal with the contact surface down. Before installing, check the axial clearance of the camshaft. When installing, lubricate the contact surface of the poppet with oil. Do not replace pusher.
8 - crackers
9 - valve spring plate, top. Distinctive feature: chamfer inside. wide chamfer on the outside
10 - valve springs, outer and inner
11 - reflective valve stem cap
12 - spring plate, lower
13 - valve guide. Check wear
14 - cylinder head
15 - sealing ring
16 - a = cylinder head height. Minimum height after repair: for 4-cylinder petrol engines a=132.6 mm; for 5-cylinder engines a = 132.75 mm.
17 - valves. Only rubbing is allowed. Mechanical processing is not allowed.
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