Valve Springs. Valve Stem Seals

GENERAL INFORMATION

Compressing valve springs using the spring compressor

Removing valve stem seals

Valve stem seal and installation mandrel

Installing valve stem seals

Installing valve keepers

Remove or disconnect:

PROCEDURE.

1. Cylinder head

33..

2. Mark all valves so that their positions are preserved for subsequent assembly.

3. Valve keepers 22, using valve spring compressor KM-

348..

4. Spring retainers 21, valve springs 23, and valves

34. To avoid injury, use caution when releasing compressed

valve springs..

Warning.

All removed parts should be placed in the order of removal in order to,.

facilitate subsequent assembly..

5. Valve stem seals 24..

Warning.

Removed seals 24 must be replaced with new ones..

6. Remove carbon deposits using a soft brush..

Warning.

Blow out and dry the oil passages and valve guides.

with compressed clean air..

Installation or connection.

Warning.

Before assembly, clean all parts. Use clean engine oil to lubricate moving and rotating parts..

PROCEDURE.

1. Valve spring retainers and new valve stem seals 24 using the installation tool..

2. Insert seal 24 into the mandrel. Press the seal onto the valve guide until it bottoms out by tapping the mandrel with a wooden mallet..

3. Lubricate valve stems with engine oil and install them into the guides..

Warning.

Check that valves move smoothly in the valve guides..

4. Valve springs 23 and spring retainers

21..

5. Compress valve springs with spring compressor KM-348 and install the valve keepers

22..

6. Cylinder head.