Operation and Maintenance Manual for PowerKit 6M16 Series
33 of 40
5.2.4 Excessive fuel consumption
Cause
Troubleshooting
(1)
Intake system clogged
Check the air filter and intake pipe for clogging.
Remove clogging if any
(2)
Exhaust back pressure is too high
Check the exhaust pipe and brake valve for clogging.
Remove clogging if any
(3)
Poor fuel quality
Replace fuel in accordance with the requirements
(4)
Fuel pipe clogged
Check the fuel pipe for clogging. Remove clogging if
any
(5)
Fuel pipe leaks
Check the fuel pipe for leakage. Remove leakage if
any
(6)
Instable atomization of fuel injector
Check, adjust and repair the fuel injector
(7)
Cylinder gasket leaks
Check the compression pressure in the cylinder
(8)
Excessive bearing shell gap, diesel engine
overhaul is needed
Check and overhaul the diesel engine
(9)
Piston scuffing
Replace the cylinder liner, piston and piston rings
(10)
Insufficient pressure in turbo charging system
Check and troubleshoot the leakage in the connecting
pipe
(11)
Turbocharger malfunction
Check and replace the assembly
5.2.5 Engine exhaust gas is black
Cause
Troubleshooting
(1)
Intake pipe is clogged or exhaust back pressure is
high
Clean the intake or exhaust pipe
(2)
Poor fuel quality
Clean the fuel system, replace fuel
(3)
Instable atomization of fuel injector
Check, repair or replace
(4)
Insufficient pressure in turbo charging system
Check and troubleshoot the leakage in the connecting
pipe
(5)
Turbocharger malfunction
Check and replace the assembly
