Maintenanceedit：Class B maintenance inspection
Class B maintenance inspection
Cycle: Graphic method or 250h, 6 months or mileage of 16000km. In each B-level maintenance inspection, complete all A-level inspection items, plus the following items:
1) Change the engine oil:
①Start the engine to reach working temperature, then stop the engine and drain the oil;
②Install drain oil plug;
③Check the oil dipstick so that the oil level reaches the "H" mark;
④Start the engine and visually check for oil leakage;
⑤Stop for 15 minutes and check the oil level.
2) Replace the filter:
①Full-flow oil filter;
②Bypass oil filter;
③Fuel filter.
3) Check the coolant: check the DCA concentration of the engine coolant, replace the core and add DCA4 additives if necessary
4) Check the oil level.
5) Clean or replace the crankcase ventilator and air compressor ventilator.
6) Check the zinc plug.
From Durability to Recyclability: Redefining the Lifecycle of an Engine Piston
