WEICHAI WD10 Service Manual - page 7
Service Manual for WD10 Diesel Engine
3
Diagnosis and Troubleshooting of Diesel Engine Common Faults ..................... 21
31
Diagnostic Methods .............................................................................................. 21
32
Fault Causes and Elimination Methods ................................................................ 22
321
Diesel Engine Couldn’t Be Started .............................................................. 22
322
Diesel Engine Stops Soon after Starting ...................................................... 23
323
Underpower .................................................................................................. 23
324
Large Fuel Consumption .............................................................................. 24
325
Engine Gives off Black Smoke .................................................................... 25
326
Engine Gives off White and Blue Smoke .................................................... 25
327
Turbocharger Intake Port and Intake Pipe Are Accumulated with Engine Oil
…………………………………………………………………………...26
328
Unstable Engine Speed ................................................................................. 26
329
Low Engine Oil Pressure .............................................................................. 26
3210
High Cooling Water Temperature .............................................................. 27
3211 Rapid Wear of Parts .................................................................................... 27
3212
Excessive Noise .......................................................................................... 28
3213
Starter Motor Doesn’t Work ....................................................................... 28
3214
Underpowered Starter Motor ...................................................................... 29
3215
Generator Generates Nothing ..................................................................... 29
3216
Generator Undercharging ........................................................................... 29
3217
Unstable Charging Voltage ......................................................................... 30
3218
Generator Overcharging ............................................................................. 30
3219
Generator Produces Abnormal Sound ........................................................ 30
4
Disassembly & Assembly of Diesel Engine ......................................................... 31
41
Overview............................................................................................................... 31
411
Danger Signs ................................................................................................. 31
412
Safety Signs .................................................................................................. 32
413
Recommended Tools .................................................................................... 33
414
Notes for Health Protection .......................................................................... 33
415
Environmental Protection Measures ............................................................ 34
416
Notes for Disassembly and Assembly of Engine ......................................... 34
417
Explode View of the Whole Engine ............................................................. 35
42
Cylinder Cover Assembly .................................................................................... 36
421
Disassembly and Assembly of Cylinder Cover Assembly .......................... 36