3.4.12. Cover of a head of the block of cylinders


PETROL ENGINES
Cover and details of the gas-distributor of the engine of 2,0 l (numbers of positions are provided in an assembly order of the specified details)

1. Stopper
2. Consolidation
3. Washer
4. Bolt
5. Cover
6. Laying
7. Cap
8, 9. Bolt
10. The roller assembled with a yoke
11. Inhaling moments (N. of m): a bolt And – 5–6, a bolt In – 17–8, a bolt With – 18–22.

The roller assembled with a yoke:

1, 4, 7, 10, 16. Covers of basic necks of a cam-shaft
2, 5, 8, 1. Respectively: yokes of D, C, B and A
3, 6, 9, 12. Spring
13. Spring flat washer
14. Left roller of yokes
15. Right roller
17. Adjusting screw of the valve of a jet
18. Lock-nut
19. Hydropusher

Cover and air offtake of the engine of 2,4 l


Cover of a head of cylinders of the engine of 2,6 l


Cover of a head of cylinders of the 12-valvate engine of 3,0 l

Cover of a head of cylinders of the 24-valvate engine of 3,0 l

Cover of a head of cylinders of the two-shaft engine

Removal
PERFORMANCE ORDER
1. Disconnect weight. Remove the air filter (on a part of injector engines enough to disconnect an air duct from an inlet collector).
2. Disconnect ventilating hoses from a cover. For access to a cover take aside other hoses, needlessly try not to disconnect hoses.
3. Disconnect from candles of a wire and take aside. On two-shaft engines be careful as wires can be damaged easily.
4. If the cover of a head of cylinders is located over a belt cover, then turn off bolts of fastening of a cover of a head of cylinders.
5. If the cover of a head of cylinders is located under a belt cover, then uncover a belt, then turn off bolts of a cover of a head of cylinders.
6. Carefully uncover, it is forbidden to hook a cover.
7. Remove a semicircular cap in a back part of a cover (or heads of cylinders).

Installation
PERFORMANCE ORDER
1. Clear a cover. Remove the sealant remains from a cap and edges of a cover. If laying of a cover did not change at repeated removal of a cover, then replace it.


2. Before installation grease with place sealant, specified on illustrations: (1 places of putting sealant, 2 – a cap, 3 – to grease with sealant of area of a head of cylinders in 10 mm from edges of a cap). 


3. On V6 engines grease with sealant laying on corners (1 places of putting sealant).
4. Further assembly is carried out upside-down. When tightening bolts slightly press a cover. Tighten bolts of a cover with m 4,0–5,4 N.' moment. The engine can be started in 2 hours. If leaks are observed, then uncover and define the reason.

DIESEL

Cover of a head of cylinders of the diesel

1. Hose
2, 8. Bolts
3, 9. Washers
4. Epiploons
5. Cover
6. Laying
7. Cap
10. The roller with a yoke

The roller with yokes on engines of 3,0 l

1, 6, 11, 18. Covers of a cam-shaft (N 4–1)
2, 4, 7, 9, 12, 14. Yokes
3, 5, 8, 10, 13, 15. Spring
16, 17. Rollers

Removal
PERFORMANCE ORDER
1. Disconnect weight. Disconnect ventilating hoses from a cover.
2. Turn off 2 bolts and uncover also laying.
3. Clear a cover.

Installation
PERFORMANCE ORDER
Installation is carried out upside-down. Laying of a cover can be used if on it there are no damages, or rubber did not harden. Sealant is forbidden to be used. Tighten bolts with m 4–5 N.' moment.