PROCEDURE
1 Clean all the sealing surfaces of the exhaust valve and the cylinder cover.
2 Examine the sealing surfaces of the exhaust valve and cylinder cover for damage.
3 Remove the gasket (001) from the cylinder cover (004).
4 Clean the gasket (001).
5 Examine the gasket (001) for damage. Make sure that the dimension of the gasket is
correct.
6 If the gasket (001) has no damage, and the dimension is correct, put the gasket in
position in the cylinder cover.
7 If the gasket (001) has damage, or the dimension is not correct, replace with a new
gasket.
8 Put the new O-rings (002, 003) in the valve cage and valve seat.
9 Apply a thin layer of oil to the new O-rings (002, 003).
10 Attach the engine room crane (005, Figure 7-70) to the eye bolt (006).
11 Operate the engine room crane to lift and move the exhaust valve (007).
12 Put the exhaust valve (007) in the correct position in the cylinder cover. The cylindrical
pin (009) in the cylinder cover will help you get the correct position.
NOTE: Make sure that you do not cause damage to the threads of the elastic studs
(008).
13 Install the round nuts to the elastic studs (008), refer to section 4.2 Tighten a round nut
with a pre-tensioner.
Fig 7-69 Exhaust valve - installation
14 Clean the sealing surfaces of the expansion piece (004, Figure 7-70) and the related
faces on the valve cage (006) and exhaust pipe (002).
X72DF
AA00-2751-00AAA-720A-A
Maintenance Manual Exhaust valve - install
Winterthur Gas & Diesel Ltd.
- 323 - Issue 002 2020-10
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