WÄRTSILÄ RT-flex50-D, Maintenance Manual

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Maintenance
5552−1/A1
RT-flex50-D
Wärtsilä Switzerland Ltd
3/ 3
3. Spray nozzles
A spray nozzle 11 is provided for each pinion in order to spray oil between pinion 6
and gear wheel 12.
Clogged spray nozzles must be dismantled for cleaning.
3.1 Removal of spray nozzles
− Spray nozzle 11 can only be removed after removal of the corresponding ser-
vo oil pump 1 and pinion 6 as described before in section 2.
− Spray nozzle 13 can be removed easily after removal of cover 14. However,
the engine and the lubricating oil pump must be stopped.
D
012.978/05
1
I - I
I
11
11
II - II
16
11
I
15 14 13 17
13 18
II
II
6
12
4. Fitting
Fitting is carried out analogously to the removal but in reverse sequence, whereby
attention must be paid to the following:
D
Screws 16 for fastening spray nozzles 11 (view
II-II
) must be secured with
LOCTITE No. 243.
D
O-rings 18 must be replaced. Parallel pin 17 ensures correct fitting of spray
nozzle 13.
Remark: Bores for bearing bushes 9 in housing 7 and pump support 4 are ma-
chined together and marked accordingly. Therefore, never interchange the pump
supports and take special care of marks ’MA’ on assembly!
During fitting the clearances are to be determined in accordance with Clearance
Table
0330−1 ’Supply Unit’.
Switch on the lubricating oil pump and check the oil flow in the bearings and spray
nozzles.
2010
Supply Unit: Removal and Fitting of Servo Oil Pump and Servo Oil Pump Drive
CHECK