WÄRTSILÄ RT-flex50-D, Maintenance Manual

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Maintenance
5562−1/A1
RT-flex50-D
Wärtsilä Switzerland Ltd
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Key to Illustrations:
1 Fuel pressure control valve 15 Fuel rail
2 Piston 16 Intermediate piece
3 Valve tip 17 Screw M16x200
4 Valve seat 18 Locating pin
5 Oil pressure regulating valve 19 Intermediate ring
6 Compression spring 20 Connection piece
7 Compression spring 21 Solenoid valve
8 Knurled screw 22 Allen screw M6x55
9 Adjusting disc 23 Fuel overpressure
10 Housing safety valve (relief valve)
11 Cover 24...26 O-rings
12 Cover
13 Filter
BA, BE Fuel outlet, inlet
14 Union OE Oil inlet pipe
1. General
To avoid any risk of failures related to the fuel pressure control valve (PCV),
Wärtsilä recommends only performing the below mentioned maintenance. PCV
maintenance onboard is limited to:
− Replacement of the complete PCV
− Replacement of the 3/2-way solenoid valve
− Replacement or cleaning of the control oil inlet filter
Remark: In case the PCV was replaced on a previous occasion, Wärtsilä offers a
new or remanufactured PCV which will be equipped and set according to the latest
technical specification with the correct pressure adjustment.
For detailed maintenance intervals of the PCV refer to the Maintenance Schedule
0380−1 .
The engine has to be stopped when working on a PCV and the instructions 0515−1
in the Operating Manual must be strictly followed.
A
21
1
WCH00694
Fuel Pressure Control Valve
Removal, Fitting, Dismantling and Assembling
2012-07