WinGD RT-flex50DF - Main Bearing − Removal and Installation

Maintenance
1132−2/A1
Winterthur Gas & Diesel Ltd.
1/ 14
Main Bearing − Removal and Installation
Tools:
2 Manual ratchet (800 kg) 94016 (H1, H2) 1 Wire rope 94120A
1 Spur-geared chain block (2000 kg) 94017−001 (H3) 1 Support 94141
1 Shackle (4750 kg) 94018B 1 Work platform 94142
1 RUD eye bolt 94040−M20 2 Nuts 94142A
1 Thrust device 94110 1 Ring 94332
1 Transportation tool 94116A 1 Tool 94335
1 Lug 94116B 1 HP oil pump 94931
1 Trolley (500 kg) 94116 1 Connection block 94934
1 Assembly / disassembly tool 94117 1 Hydr. distributors 94934A
1 Deviation pipe 94117A 3 HP hoses 94935
1 Device 94119B 2 Hydraulic jacks 94936
1 Turning-out device 94118A
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 3...............................
3. Main Bearing Cover No.1 − Removal 5...............................
4. Main Bearing Shell − Removal 6.....................................
4.1 Hydraulic Jacks − Installation 6................................
4.2 Crankshaft − Lift 8............................................
4.3 Bearing Shell No. 1 − Removal 9...............................
4.4 Bearing Shell No. 2 to No. 8 − Removal 11.......................
5. Main Bearing Shells − Inspection 13..................................
6. Bearing Shell and Bearing Cover − Installation 13......................
6.1 Bearing Shell − Installation 13..................................
6.2 Main Bearing Cover − Installation 14............................
1. Preparation
WARNING
Injury and Damage Hazard: Do not turn the crankshaft when the
work 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, or in the engine.
1) Read the data in:
D 0012−1 General Guidelines for Lifting Tools
D 1132−1 Waisted Studs − Loosen and Apply Tension
D 3301−1 Work Platform.
To identify parts, the main bearing covers and main bearing shells must have marks
applied after removal.
2) Operate the turning gear to turn the crank to the exhaust side approximately
90_after TDC.
3) Set to off the main oil supply pumps.
4) Stop the oil lubrication to the main bearing.
2016
Main Bearing