Class | System | Parts | Phenomenon | Reason |
|
Main unit | Engine | ,,,,,Cylinder block, cylinder head, flywheel & housing, Gears, pulley and the oil sump | , break, crack sand hole | , Caused by materials or manufacturing defects |
Transmission system | ,(,) Gearbox, rear axle transmission parts (gears, shafts) and housing | ,
break, crack serious abrasion | ,Under normal operation, not caused by maintenance reason. |
,,,Front holder, front shaft holder, front driving shaft housing, final reduction housing |
break, crack | ,Under normal operation, not caused by maintenance reason. |
hydraulic system | ,,lifter housing, shaft, lifter arm | , break, crack sand hole | ,,Under normal load& operation, not caused by improper adjust |
Important unit | Engine | ,,,,(,,),, Crankshaft, connecting rod, valve rocker shaft, fuel pump (except for plunger components, oil-delivery valve, seat and spring) rocker, valve spring |
break, crack distortion, serious abrasion | , Under normal operation, not caused by maintenance reason. |
,,,, Oil pump, water pump, oil feed pump, turbo-charger | malfunction | , Under normal operation, not caused by maintenance reason. |
Transmission system | ,,(,)operating parts of the clutch and gearbox, fork, fork shaft, front driving axle transmission parts( gears, shafts) | ,, break, crack distortion, serious abrasion | , Under normal operation, not caused by maintenance reason. |
Clutch cover and pressure plate |
Distortion Split crack | not caused by improper operation or overheat |
,,Front driving axle steering drawbar, steering knuckle, wheel hub and rim. |
break, crack distortion | not caused by outer force |
Tires | ,, surface bulging, exploding, fast abrasion | ,,, foreign matters in the rubbers, uneven of the 2 sides, rigidity of the rubber, Except for the air pressure |
hydraulic system | ,,,, Gear pump, distributor, steering gear, multi-way valve cylinder | malfunction | ,,Not caused by oil leakage, outer force or deteriorate oil. |
,, cylinder sleeve, piston, sliding valve | serious abrasion | Not caused by deteriorate oil. |
Rear suspending bars and towing unit | break, crack | Not caused by outer force or overload. |
Electrical system | ,,,,,,, Generator, starting motor, wiper motor, battery, wiring harness, combined meter, warm air blower, A/C motor | malfunction | , Not caused by electrical short circuit or wrong maintenance |
Electrical unit of the electrical hitch | malfunction | ,Not caused by electrical short circuit or wrong maintenance |
Cab & body panel | , Cab, safety shelf | Split, serious torsion | , Under normal operation, not caused by outer force. |
Common unit | Engine | ,,,,,,,,,,, cylinder sleeve, piston pin, piston, crankshaft bearing, connecting rod bearing, piston ring, crankshaft front and rear oil sealing ring, camshaft bearing, rocker shaft bearing, fuel oil pump plunger matching parts, oil-delivery valve matching parts and spring fuel injector matching part | serious abrasion | ,,Not caused by dirty air, bad quality oil, overheats, or wrong maintenance. |
, Radiator, fuel oil tank | , Crack, leakage | ,, Under normal maintenance, not caused by outer force or abrasion. |
| , Intake and exhaust manifolds, muffler | break, crack | ,Under normal operation, not caused by bolt improper fastening or outer force. |
Transmission system | , Separating bearing, separating lever | Burning | ,Under normal operation, not caused by improper adjust |
, Clutch friction disc, brake friction disc |
Burning abrasion |
|
hydraulic system | ,, Rubber pipe, steel pipe, pipe joint | ,,,sand hole, split unstable connection, oil leakage broken | , Under normal operation, not caused by outer force. |
,,, Joints of cylinders, pumps, valves and pipes | Oil leakage | , Under normal operation, not caused by outer force. |
Electrical system | ,,, Relays, sensors, horns, switches | malfunction | , Not caused by electrical short circuit or wrong operation. |
Other | Other | ,,, Accelerating wire, extinguish wire, bonnet lock, pneumatic spring | malfunction | , Under normal operation, not caused by outer force |
,, Appearance parts, bonnet cover, mud fender, glass etc |
scratch distortion split | ,,. Caused by the split of the framework or binding materials during the whole shipping process. |
, Non-manual lubricating bearing, shaft sleeve etc... | ,
Crushing, serious abrasion | , Not caused by adjusting or maintenance reason. |
, Manual lubricating bearing, shaft sleeve etc | , Crushing, serious abrasion |
|
Easy-damage parts | All kinds of filter elements, glass parts, textile parts, leatheroid parts, back-sight mirrors, mirrors inside the cab, bulbs, lampshades, fuse pipes, tool kit, oil sealing rings, water sealing rings, other rubber parts, standard parts like bolts and washers, sealing gaskets | Broken | Normal consumption |
| , Broken during the packing or shipping process |