WÄRTSILÄ RT-flex50-D, Maintenance Manual

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Maintenance
8447−1/A1
RT-flex50-D
Wärtsilä Switzerland Ltd
4/ 4
5. Fitting
Fitting is carried out analogously to the removal but in reverse sequence.
Remark: Take care that screws 6 of intermediate pieces 7 are tightened after all
servo oil pipings have been tightened!
D
Apply oil to the threads of screws 4, a, b and tighten them crosswise with a
torque of 40 Nm.
D
If the non-return valves (Fig. ’C’) have been removed maintain their flow direc-
tion and observe the following when refitting them:
− Tighten non-return valve 8 with a torque of 25 Nm.
− Replace O-rings 15 on non-return valve 11.
Remark: For further information about the servo oil system, see 8016−1 in the Op-
erating Manual.
2010
Servo Oil Piping: Removing, Fitting and Regrinding