Possible Failures And Instructions For Their Troubleshooting; Possible Engine Failures And Instructions For Their Troubleshooting - Belarus 1822.3 Operator's Manual

7. POSSIBLE FAILURES AND INSTRUCTIONS FOR THEIR TROUBLESHOOT-
ING

7.1 Possible engine failures and instructions for their troubleshooting

The list of possible engine failures and instructions for their troubleshooting are
shown in table 7.1 .
Identification of engine and turbocharger failures is given in table 7.1b.
Table 7.1
Failure,
external manifestations, cause
Air in the fuel system
Faulty fuel pump
Clogged fuel filters
Fuel pump control lever fails to
reach the bottom
Clogged fine fuel filter cartridge
Faulty nozzles
Wrong adjustment of fuel injection
advance angle
Clogged engine air cleaner
Faulty fuel pump
Decrease in charging pressure
Hermiticity breakage of charge air
cooler
Engine smokes in all operation modes – black smoke appears from the ex-
Clogged engine air cleaner
Injector nozzle needle gets stuck
Faulty fuel pump
Engine smokes in all operation modes – white smoke appears from the ex-
Engine operates with overcooling
Water ingress into the fuel
No clearance between the valves
and the rocking arms
Wrong adjustment of fuel injection
advance angle
Engine fails to start
Bleed the system with the manual pump of fuel
supply. Eliminate air ingress in the fuel system
Remove the fuel pump from the engine and send it
to the repair shop for service
Rinse the coarse fuel filter and replace the fine fuel
filter cartridge
Engine fails to develop power
Adjust fuel pump control links
Replace fine fuel filter cartridge
Detect faulty nozzles, wash them and adjust
Set the recommended fuel injection advance angle
Carry out maintenance service of the air cleaner
Remove the fuel pump from the engine and send it
to the repair shop for service
Remove the turbocharger from the engine and
send it to the repair shop for service
Determine the reason for depressurization and
eliminate it
haust pipe
Carry out maintenance service of the air cleaner
Detect the faulty nozzle, wash or replace the injec-
tor, adjust the nozzle
Remove the fuel pump from the engine and send it
to the repair shop for service
haust pipe
Warm up the engine, during the operation maintain
the cooling liquid temperature within 85-95°
Change the fuel
Adjust the clearance between the valves and the
rocking arms
Set the recommended fuel injection advance angle
296
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2022.3-0000010 OM
Troubleshooting