PROCEDURE
1 Clean the items that follow:
•
O-ring grooves (005, Figure 7-39)
•
Sealing surfaces of the cylinder cover (004).
2 Put oil on the O-rings.
3 Clean the threads of the two elastic studs (003).
4 Put oil on the threads of the elastic studs (003).
5 Attach the engine room crane to the eye bolt (001) on the exhaust valve (002).
6 Operate the engine room crane to lift the exhaust valve (002).
7 Carefully lower the exhaust valve (002) into the cylinder cover (004).
8 Attach the round nuts (006) to the elastic studs (003).
9 Tighten the round nuts (006), refer to section 4.2 Tighten a round nut with a pre-
tensioner.
10 Operate the engine room crane to lift the cylinder cover (004) together with the exhaust
valve (002).
11 Carefully lower the cylinder cover (004) on to the top water guide jacket (007).
12 Attach the top water guide jacket (007) to the cylinder cover (006) with the two screws
(008).
13 Operate the engine room crane to lift the cylinder cover (006) together with the exhaust
valve (002) and top water guide jacket (007).
X72DF
AA00-2708-00AAA-720A-A
Maintenance Manual Cylinder cover - install
Winterthur Gas & Diesel Ltd.
- 253 - Issue 002 2020-10
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