WÄRTSILÄ RT-flex50-D, Maintenance Manual

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Maintenance
9223−1/A1
RT-flex50-D
Wärtsilä Switzerland Ltd
14/ 22
6.6 Fitting the shaft encoder
For the purpose of improved accessibility the shaft encoders 13 and 13a may be
fitted onto the bearing housing 14 (Fig. ’T’) outside the engine. For that proceed as
described under paragraphs 3.1 and 3.2 with the difference that shaft 5 must be
turned several times by hand in order to adapt it to its running track.
When fitting the toothed belt pay attention to the important points in paragraph 3.3!
7. Fitting the crank angle sensor drive
⇒
Push crank angle sensor drive with packing ring 22 a little onto waisted screw
20 and turn shaft 5 in such a way that locating pin 40 and the corresponding
bore in the shaft are in line.
⇒
Push crank angle sensor drive further till the locating pin fits into the corre-
sponding bore in shaft 5.
⇒
Fasten screws 21 with their locking plates.
Turn crankshaft to an appropriate position.
Remove inspection cover 41 and check through the opening the fitting positions of:
− Compression springs 42, lever 43 and connection according to view
I.
⇒
Apply MOLYKOTE paste G to the thread and seating surface of nut 4.
⇒
Screw nut onto waisted screw 20 and tighten it with a torque of 140 Nm.
008.745/01
008.734/01
Attention! When tightening nut 4 hold up shaft 5 by
means of an open end spanner!
Check adjustments according to paragraph 3.3.
7.1 Final works
⇒
Carry out final works according to paragraphs
3.4 and 9.1.
U
39
22
21
5
42
23
43
40
41
I 4 20
CHECK
40 43 5 20
44
I
NO CLEARANCE
58
2011
Crank Angle Sensor Unit: Dismantling, Assembling and Adjusting
CHECK