Note. Before assembly, clean all parts to be assembled. Apply fresh engine oil to all friction surfaces. Replace all gaskets and seals.
Pic. 2.286. Pressing in a new spark plug tube
Install new spark plug tubes. Apply glue to the spark plug tubes. Press in a new spark plug tube so that it protrudes 42.4–43.4 mm from the plane of the cylinder head connector (pic. 2.286).
Pic. 2.287. Pressing in a new tube of the crankcase ventilation system
Using a wooden plate and a hammer, also press in the new crankcase ventilation pipes so that they are flush with the cylinder head split plane (pic. 2.287).
Pic. 2.288. Installing new valve stem seals: 1 - special tool
Using a suitable tool, install new valve stem seals (pic. 2.288).
Pic. 2.289. Marking of new valve stem seals
The valve stem seals are rubber sealed. Inlet valve stem seals painted gray or brown, exhaust valve stem seals painted black (pic. 2.289).
Install the following parts:
- valve;
- valve spring seat;
- valve spring;
- spring plate;
- crackers.
Using a suitable tool, compress the valve spring and install two cotters around the valve stem. Use a plastic-headed hammer to lightly strike the end of the valve stem to ensure that the valve is securely fixed with crackers. Install the valve lifters and shims; make sure the pushers turn freely by hand.