WÄRTSILÄ 41508, Инструкция по эксплуатации

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20 Screw on the hydraulic tool 3V86B78
a nd proceed w ith t ight-
ening of side screw nut s (A
1
). Tight en t o full sta ted pressure.
10.3 Flywheel/thrust bearing
10.3.1 Dismantling of flywheel/thrust bearing
1 Remove the two crankcase covers
next to the flywheel end,
on both sides of the engine.
2 Loosen the nuts
of the side screw s on th e flyw heel/th rust bear -
ing a nd t he a djacent ma in bear ing, Fig 10-1 (A).
3 Lift the distance sleeve 3V86B46 into position
on the side
screw. Tw o nuts ca n be loosened simulta neously.
4 Screw on the hydraulic tool
3V86B 78 an d proceed w ith open-
ing of th e side screw nu ts (A).
5 Loosen the nuts of the flywheel/thrust bearing screws
a s
show n in F ig 10-1 (B ).
6 Lift the distance sleeves 3V86B46 into position
and insert the
pins 4V86B11.
7 Screw on the hydraulic tools
3V86B78. If necessary, use the
liftin g tool 3V86B 52. P roceed w ith opening of bea rin g screw s (B ).
8 Remove the nuts of the flywheel/thrust bearing screws.
9 Connect the hoses of the hydraulic pump
1V86A18 to the
hydraulic jack, the supplying hose set to the side marked DOWN,
see Fig 10-2.
10 Unscrew the side screws of the flywheel/thrust bearing cap.
U se th e stud t ool 4V80D12.
11 Lower the bearing cap
by pumping oil pressure to the hy-
dra ulic ja ck w ith t he hydra ulic pump.
12 Remove the lower bearing shell and the thrust washers.
To
remove the thr ust w a sher next to the driving end, a n M6 screw can
be fitt ed to each end of the w a sher, see Fig 10-3.
13 Insert the turning tool
3V85B15 into the bearing journal ra-
dia l oil hole.
14 Turn the crankshaft carefully
until the bearing shell and the
w a shers ha ve turn ed 180° a nd can be removed.
15 Cover the two bearing journal radial oil holes with tape.
16 Check the bearing
i n t h e s a m e w a y a s t h e m a i n b e a r i n g s ,
section 10.2.2. The thrust washers on the same side have to be
Hydraulicoil
DISMANTLING
1. Screw on cylinders by hand
2. Connect hoses, open valve.
Tighten cylinders by hand.
3. Screw cylinders 180 ˚
counter -clockwise.
4. Close valve, rise pressure.
5. Open the nut about half a turn.
6. Open release valve, remove tool.
Engine Block with Bearings, Cylinder and Oil Sump 34SG-9701