WÄRTSILÄ RT-flex50-D, Maintenance Manual

Page: 107 / 522

Maintenance
1132−2/A1
RT-flex50-D
Wärtsilä Switzerland Ltd
1/ 17
Tools: Key to Illustrations:
1 Thrust device 94110 1 Crankshaft
1 Transportation tool 94116a 2 Bearing girder
1 Lifting lug 94116b 3 Main bearing cover
1 Assembling and dismantling device 94117 4, 4a Main bearing shell
1 Turning-out device 94118a 5 Allen screw M10x14
1 Device 94119b 6 Spring dowel pin
1 Rope 94120a 7 Waisted stud
1 Support 94141 8 Impact ring spanner AF60
1 Working platform 94142 9 Special screw
2 Nuts 94142a 10 Nut
1 Lifting ring 94332 11 Thrust piece
1 Shackle M23 94332a 12 Screw M12x75
1 HP oil pump 94931 13 Name plate
1 Connection block 94934 14 Cylinder block
2 Hydr. distributors 94934a 15 Screw
3 HP hoses 94935 16 Jack
2 Hydraulic jacks 94936 17 Dial gauge with magnetic base
H
1
−H
3
Manual ratchets
(WLL 800 kg for bearing covers)
(WLL 500 kg for bearing shells)
DP Depository
HU Wooden underlay
HZ Spur-geared chain block
OB Oil bore
RC RUD-eye bolt M20
Overview
1. General 1/16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2. Placing of thrust device 94110 3/16 . . . . . . . . . . . . . . . . . . . . . . . . .
3. Removal of bearing cover No. 1 4/16 . . . . . . . . . . . . . . . . . . . . . . . .
4. Removal of bearing cover No. 2 and following 5/16 . . . . . . . . . .
5. Turning out and removal of lower bearing shells 8/16 . . . . . . . .
6. Inspecting main bearing shells 14/16 . . . . . . . . . . . . . . . . . . . . . . . .
7. Fitting of bearing shells and bearing covers 15/16 . . . . . . . . . . .
1. General
Remark: Pay attention to:
−
General Guidelines for Lifting Tools 0012−1.
− Loosening and tensioning of waisted studs 1132−1 .
− Utilization of Working Platform 3301−1 .
Main bearing covers and main bearing shells (hereafter called bearing covers and
bearing shells) have to be marked when they are removed.
When thrust device 94110 is not in use, fasten screws 12 to their proper depository
’DP’.
Attention! Never turn the crankshaft while the working platforms are placed or any
other tools are fitted!
50−D / 2010
Main Bearing
Removal and Fitting of a Main Bearing