2.8 Attach the engine room crane to the chain.
2.9 Operate the engine room crane to lift the valve cage (017).
2.10 Lower the valve cage (017) over the valve spindle (015). Make sure that the
valve spindle does not move. Make sure that you do not cause damage to the
guide bush (009).
2.11 Put oil on the new rod joint ring (008).
2.12 Put the new rod joint ring (008) in position in the guide bush (009).
2.13 Attach the distance ring (007) with the four Allen screws (006, Figure 7-65).
3 Assemble the valve drive.
3.1 Put the cup springs (006, Figure 7-66) in position.
3.2 Fill the oil bath (011) with system oil.
3.3 Prepare a new piston joint ring (004) for installation as follows:
3.3.1 Put sufficient water in an applicable container.
3.3.2 Apply heat to get the water to 100°C.
3.3.3 Put the new piston joint ring in the 100°C water for some minutes until it
becomes soft.
3.4 Put the piston joint ring (004) in the correct position on the piston (012).
3.5 Put the piston (012) on the valve spindle (015).
3.6 Attach the valve cotters (013).
3.7 Push the piston (012) up and attach the circlip (014).
3.8 Attach two eye bolts to the bottom housing (005).
3.9 Attach the chain to the eye bolts and to the engine room crane.
3.10 Operate the engine room crane to lift and lower the bottom housing (005) on to
the valve cage (002).
3.11 Install the Allen screw (010) to the bottom housing (005).
X72DF
AA00-2751-00AAA-710A-A
Maintenance Manual Exhaust valve - assemble
Winterthur Gas & Diesel Ltd.
- 316 - Issue 002 2020-10
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