A :1, piston ring, 2, inlet door, 3, Exhaust door, 4, Intake door seat; 5, intake and exhaust door conduit, 6, Live jian cooling nozzle, 7, upper repair package, 8, turbocharger repair kits, 9, Gas door locks, 10, connecting rod tiles, 11, oil bottom shell gasket; 12, injector adjustment and accessories; PT oil pump adjustment and accessories; 14. Cylinder liner.
A :1, turbocharger work failure; 2, valve assembly is bad, 3, injector or high-pressure oil pump precision coupling work failure; 4,camshaft components wear excessive;5, the intercooler is too dirty, the gas intake is not enough; 6, fuel injector aprons seal bad; 7 , cylinder assembly pull cylinder; 8, poor diesel quality, 9, air filter blocking.
A :1, injector or high-pressure oil pump precision coupling failure; 2, diesel engine burning oil (ie, the turbocharger burning oil), 3, valve guide pipe and valve wear excessive, oil leakage into the cylinder, 4, there is water in diesel, 5, injector copper sleeve leaking water into the cylinder, 6, piston ring wear over or oil ring is fitted reversely, cylinder burning oil. 7, exhaust breathing tube did not clean for a long time, dirty or blocked.
A :1, fuel injector or high-pressure oil pump precision coupling work failure; 2, camshaft, with moving arm components, rocker arm components excessive wear, 3, the intercooler is too dirty, air inlet shortage, 4, turbocharger work failure, 5, air valve components sealed bad.
A :1, the cylinder components wear too much; 2, fuel injector or high-pressure oil pump precision coupling work failure, 3, PT Pump work failure, 4, the timing correction gear work abnormally 5, turbocharger work failure, 6, intercooler dirty; 7, the air valve seal is bad; 8, diesel lattice, air lattice is too dirty.
A :1, the bearing and crankshaft of the coordination gap is too large, that is, the bearing and crankshaft wear over; 2, a variety of bushings and shafting wear is too large, 3, cooling nozzle or oil pipeline leakage, 4, oil pump work failure, 5, oil pressure sensor failure, 6, oil cooler too dirty which lead to excessive high temperature, 7, oil quality is bad.
A :1, the water pump is damaged, 2, the thermostat is damaged, 3, fan belt, pump belt is too loose, 4, Radiator is dirty (internal or external).
A：1、Oil pump work failure；2、excessive gap of the shafts，；3、lack of water lead to high temperature ；4、oil shelve block ；5、oil quality is bad。
A :1, cylinder components wear over, 2, oil bottom shell has water (cylinder head rupture, injector copper sleeve water, cylinder liner rotten wear, cylinder liner leakage, cylinder leakage); 3, there is cylinder scuffing phenomenon.
A :1, PMG stator or rotor damage; 2, AVR board damage, 3, diode components damage, 4, exciter rotor or stator damage, 5, the main alternator stator or rotor damage, 6, P2, P3, P4 line short-circuit or open circuit, 7, P6, P7, P8 line short-circuit or open circuit; 8, X , XX line short-circuit or open circuit.