PROCEDURE
1 Disassemble the valve drive.
1.1 Attach the engine room crane to the eye bolt (001, Figure 7-59).
1.2 Remove the nuts (003).
1.3 Remove the top housing (002).
1.4 Remove the screws (008).
1.5 Remove the transmitter housing (007).
1.6 Remove the valve stroke sensor (009).
1.7 Remove and discard the O-ring (015).
1.8 Remove the Allen screw (006).
1.9 Attach the two eye bolts to the bottom housing (004).
1.10 Attach the chain to the two eye bolts attached before.
1.11 Attach the engine room crane to the chain.
1.12 Operate the engine room crane to remove the bottom housing (004).
2 Remove the valve spindle.
2.1 Remove the circlip (013).
2.2 Push the piston (011) down, then remove the valve cotters (012).
2.3 Remove the piston (011) from the valve spindle (014).
2.4 Remove the cup springs (010).
2.5 Attach the two eye bolts to the valve cage (005).
2.6 Attach the chain to the eye bolts.
2.7 Attach the engine room crane to the chain.
2.8 Operate the engine room crane to lift the valve cage (005). Make sure that the
valve spindle (014) does not move.
2.9 Lower the valve cage (005) on to its side.
X72DF
AA00-2751-00AAA-530A-A
Maintenance Manual Exhaust valve - disassemble
Winterthur Gas & Diesel Ltd.
- 297 - Issue 002 2020-10
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