WEICHAI WP2.1C Operation And Maintenance Manual - page 2
Operation and Maintenance Manual for WP2.1C/WP3.9C Series Marine Diesel
Contents
Section I
Main Specifications and Engine Data .................................................................................................. 1
1.1 Specifications of the Engines ............................................................................................................................. 1
1.2 Specifications of Main Components .................................................................................................................. 3
1.3 Main Engine Data .............................................................................................................................................. 5
Section Ⅱ Operation of the Engine ....................................................................................................................... 6
2.1 Fuel, Lubricating Oil and Cooling Water ........................................................................................................... 6
2.2 Running-in of the Engine ................................................................................................................................... 7
2.3 Preparations for Starting .................................................................................................................................... 7
2.4 Starting the Engine ............................................................................................................................................ 8
Section Ⅲ
Engine Assembly and Disassembly ................................................................................................. 9
3.1 Cylinder Head .................................................................................................................................................... 9
3.2 Cylinder Block ................................................................................................................................................. 10
3.3 Valve System ................................................................................................................................................... 11
3.4 Crank-connecting Rod Mechanism ................................................................................................................. 12
3.5 Fuel Supply System ......................................................................................................................................... 13
3.6 Lubricating System .......................................................................................................................................... 14
3.7 Cooling System ................................................................................................................................................ 15
3.8 Electrical System ............................................................................................................................................. 15
Section Ⅳ Adjustment of the Engine ................................................................................................................... 16
4.1 Adjustment of Valve Clearances ...................................................................................................................... 16
4.2 Adjustment of Fuel Injection Timing ............................................................................................................... 16
4.3 Adjustment of Nozzle Opening Pressure ......................................................................................................... 17
4.4 Adjustment of Lubricating Oil Pressure .......................................................................................................... 17
4.5 Adjustment of injection pump ......................................................................................................................... 18
4.6 Adjustment of V-belt Tension .......................................................................................................................... 18
SectionⅤTechnical Maintenance .......................................................................................................................... 18
5.1 Shift Maintenance ............................................................................................................................................ 18
5.2 Maintenance at the Completion of Every 125 Working Hours ........................................................................ 19
5.3 Maintenance at the Completion of Every 500 Working Hours ........................................................................ 19
5.4 Maintenance at the Completion of Every 1000 Working Hours ...................................................................... 20
5.5 Engine Preservation ......................................................................................................................................... 20
Section Ⅵ Trouble-shooting ................................................................................................................................ 20
6.1 Failure to Start ................................................................................................................................................. 20
6.2 Lack of Power .................................................................................................................................................. 21
6.3 Insufficient Compression Pressure in Cylinder ............................................................................................... 21
6.4 Engine Stalls .................................................................................................................................................... 22
6.5 Engine Racing .................................................................................................................................................. 22
6.6 Abnormal Noise ............................................................................................................................................... 22
6.7 Black Exhaust .................................................................................................................................................. 23
6.8 Coolant Temperature Too High ........................................................................................................................ 23
6.9 Low Lubricating Oil Pressure .......................................................................................................................... 24
6.10 Excessive Oil Consumption ........................................................................................................................... 24
6.11 Deterioration of Lubricating Oil .................................................................................................................... 25
6.12 Trouble Shooting in Electrical System .......................................................................................................... 25
Appendix I
Spare parts of Diesel Engine WP2.1/2.5CD .................................................................................... 26