WÄRTSILÄ Vasa R22, Instruction Manual

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1 Remove the end cover.
2 Unscrew the four screws fastening the bottom of the
bearing housing to the engine block.
3 Remove the guiding pins.
4 Loosen the nuts of the two vertical screws by the hydrau-
lic tool. For further instructions see section 07.3.
5 Lower the bearing cap so that it rests against the edge
of the oil sump. (If the cap is to be removed from the engine,
loosen the studs.)
6 Remove the upper shell by turning in clockwise direc-
tion using the tool 851004 placed in the crankshaft journal
radial oil hole, Fig 10-3.
7 Remove the turning tool. Cover the oil hole with tape.
8 Check the bearing in the same way as normal main
bearings, section 10.2.2.
10.3.2 Assembling
1 Remove the tape from the oil hole.
2 Lubricate the upper bearing shell surface and crank-
shaft journal.
3 Insert the bearing shell end without lug in the clearance
between the journal and bearing bore grooved edge. Push in
the shell by hand as far as possible.
4 Place the turning tool 851004 in the crankshaft journal
radial oil hole and turn carefully in counter-clockwise direction
until the edge of the bearing shell levels with the bearing
housing mating face. Check that the flap at the bearing edge
is not damaged.
5 Remove the turning tool, Fig 10-3.
6 Lubricate the lower bearing shell surface and place the
bearing shell in the bearing cap.
7 Raise the bearing cap until the bearing shell edges level
and tighten the nuts by hand.
8 Knock the two dowel pins from above to get the lower
bearing house centered.
9 Put the distance sleeves in place, insert the pins in the
slots.
10 Screw on the hydraulic cylinders and proceed with
tightening of screw nuts, see also section 07.3.
11 Tighten the four fastening screws to torque according
to section 07.1, by means of tool combination in Fig 10-1.
Hydraulic oil
RE-ASSEMBLING
1. Screw on nuts, attach
distance sleeve.
Screw on cylinders by hand.
2. Connect hoses, open valve.
Tighten cylinders by hand.
3. Close the valve and pump
pressure to the stated value.
4. Screw the nuts untill close
contact to face.
5. Open the valve and remove
tool set.
22-9601 Engine Block with Bearings and Cylinder Liners, Oil Sump 10
VASA 22 10 - 7