![Man D2842 LE103 Скачать руководство пользователя страница 68](http://html1.mh-extra.com/html/man/d2842-le103/d2842-le103_operating-instructions-manual_4060229068.webp)
Faults
MAN-Industrial diesel engines D2842 LE103
68
Carefully read the Operating Instructions before starting any work!
This is especially valid for the chapter on General Safety Instructions
and the safety instructions in each of the chapters.
Fault
Remedy
Possible cause
Lube-oil pressure too
high
D
Engine cold
D
Selected oil viscosity is inappropriate for
ambient temperature (too thick)
D
Oil pressure indicator faulty
D
Safety valve in oil circuit faulty (does not
open)
D
Oil lines/oil ducts clogged
D
See "Fluids and Lubricants..."
Lube-oil consumption
too high
D
Lube-oil quality does not meet the regu
lations
D
Oil level in oil pan too high
D
Leaks in lube-oil circuit especially at the
turbocharger and oil cooler
D
Piston rings heavily worn
D
Valve stems heavily worn, bent
D
See "Fluids and Lubricants..."
D
Check whether the guide tube is
correctly installed and the cor
rect oil dipstick is being used
D
If coolant or fuel is discovered in
the engine oil, check cylinder
head gasket, cylinder liner gas
ket and piston rings
Fuel consumption too
high
D
Fuel grade does not meet the regu
lations
D
Fuel loss due to leaks in system
D
Valve seat leaks
D
See "Fluids and Lubricants..."
Black smoke accom
panied by loss of power
D
Air filter clogged
D
Air intake duct leading to turbocharger
leaks
D
Exhaust clogged (exhaust back
pressure too high)
D
Turbocharger faulty
D
Intercooler leaks, faulty
D
Injectors faulty, carbonised
D
Help from the manufacturer ser
vice
Blue smoke
D
Engine/coolant/intake air still too cold
D
Lube oil penetrates into combustion
chamber (pistons/piston rings worn or
piston rings broken)
D
Valve stem/guide worn
D
Overpressure in crankcase (crankcase
ventilation system clogged)
White smoke
D
Engine/coolant/intake air still too cold
D
Fuel tank empty
D
Air in fuel system
D
Fuel lines not sealing, broken, blocked
D
Coolant penetrates into combustion
chamber (cylinder head/gasket leaks)
D
Fuel filter clogged
D
Fuel grade does not meet the regu
lations
D
Injectors faulty
D
See "Fluids and Lubricants..."
Содержание D2842 LE103
Страница 89: ......