WÄRTSILÄ Vasa R22, Instruction Manual

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C: Camshaft and control mechanism
Pos. Screw connection Torque (Nm)
1. Camshaft flange connection screws,
(M10 12.9)
.
Torque wrench setting with tool 4V80G21.
The screws are treated with locking compound
and can be used three times the locking effect
being intact, then replace.
Do not wash screw threads but keep clean and dry.
80
±
5
65
2. Hexagon socket screw,
(M8 12.9)
. 37
±
2
3. Camshaft gear for governor drive, flange
connection screws,
(M6 8.8)
.
Apply Loctite 242 on threads, see section 07.2.
9
±
1
4. Overspeed trip device, fastening screws to
camshaft,
(M10 8.8 SK)
.
45
±
5
5. Overspeed trip housing fastening screws,
(M12 8.8)
. 80
±
5
Note! Torque wrench settings must be recalculated if an other tool
combination than 4V80G21 (item 26-06 in chapter 05) and
torque wrench (item 26-01 in chapter 05) is used for the
camshaft flange connection.
75 L=388 mm
M = 65 Nm
M= 80 Nm
1
M = 80
L
L+75
1
*
2207669501
2 3 1 1 4
5
Fig 07-4
2207589143
07 Tightening Torques and Instructions for Screw Connections 22-200640
07 - 4 VASA 22