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
Section
Ⅴ
Technical
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