ENGINE MECHANICAL 6A–47
11.Remove the valve guide.
• Use the valve guide remover 5-8840-2628-0 to
remove the valve guide.
12.Remove the valve seat insert.
1. Heat (about 600 – 700°C) two points on the valve
seat insert with a gas torch and then allow the
valve seat insert to cool for a few minutes.
2. This will invite contraction and make removal of
the valve seat insert easier.
3. Use a screwdriver to pry the valve seat insert free.
Take care not to damage the cylinder head.
4. Carefully remove carbon built-up and other foreign
materials from the cylinder head insert bore.
13.Remove the injection nozzle sleeve.
Use the nozzle sleeve remover 5-8840-2623-0 to
drive the nozzle sleeve from the lower side cylinder
head.
14.Remove the bridge guide.
The bolt is electrically welded to the bridge guide.
Use a sliding hammer to remove it.
011MX015
011MX016
040MX038
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