Maintenance
1132−2/A1
Winterthur Gas & Diesel Ltd.
1/ 14
Main Bearing − Removal and Installation
Tools:
1 Manual ratchet 94016-009 1 Turning-out device 94118B
2 Spur-geared chain block 94017-006 (wide bearing shell)
1 Chain (asymmetric) 94019A 1 Lifting plate 94119
1 Chain (symmetric) 94019B 1 Feeler gauge 94123
1 Eye bolt 94045-M48 1 Bracket 94141
1 Thrust device 94110 1 Work Platform 94143
1 Lifting tool (narrow bearing shell) 94116A 1 HP oil pump 94931
1 Lifting tool (wide bearing shell) 94116B 1 Connection block 94934
1 Lifting lug 94116C 2 Pressure gauge 94934A
1 Roller support 94117 3 HP hoses 94935
1 Deviation pipe 94117B 2 Hydr. Ram (100t) 94936
1 Turning-out device 94118A 2 Shackle 4750 kg 94018B
(narrow bearing shell)
1. Preparation 1.......................................................
2. Main Bearing Covers No. 2 to No. 8 − Removal 2......................
2.1 Tools − Installation 2..........................................
2.2 Main Bearing Cover − Removal 4...............................
3. Main Bearing Cover No. 1 − Removal 5...............................
4. Main Bearing Shell − Removal 6.....................................
4.1 Hydraulic Jacks − Installation 6................................
4.2 Crankshaft − Lift 6............................................
4.3 Bearing Shell No.1 (narrow) − Removal 7.......................
4.4 Bearing Shell No. 2 to No. 8 − Removal 9.......................
5. Main Bearing Shell − Inspection 12....................................
6. Main Bearing Shell and Bearing Cover − Installation 12.................
6.1 Bearing Shell − Installation 12..................................
6.2 Main Bearing Cover − Installation 13............................
7. Main Bearing − Lubrication 14........................................
1. Preparation
1) Read the data in 0012−1 General Guidelines for Lifting Tools.
2) Read the data in 3301−1 Work Platform.
WARNING
Injury and Damage Hazard: Do not turn the crankshaft when the
platforms, tools and/or supports, are installed. This will cause
injury to personnel and damage to equipment.
WARNING
Injury Hazard: Before you operate the turning gear, make sure
that no personnel are near the flywheel.
3) Operate the turning gear to turn the crank to the exhaust side approximately 90_
after TDC.
4) Set to off the main oil supply pumps
5) Close the oil lubrication to the main bearing.
2015
Main Bearing
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