daewoo DE12T, DE12TI, DE12TIA, DE12TIS — Daewoo DE12T Series Diesel Engine Shop Manual PDF (EN)

- 47 - TECHNICAL INFORMATION 2.22. Engine Inspection 2.22.1. Stopping engine After checking the engine for any unusual condition at the idling speed, then turn the key switch to stop the engine. 2.22.2. General engine inspection cycle : Check & adjust :

Replace Inspection Daily Every 50hrs Every 200hrs Every 500hrs Every 600hrs Every 1200hrs Remark Cooling System Check for leakage(hoses, clamp) Check the water level Change the coolant water Adjust the V-belt tension Every 2,000hrs Clean the radiator Lubrication System Check for leakage Check the oil level gauge Change the lubricating oil 1st Replace the oil filter cartridge 1st Intake & Exhaust System Check the leakage for intercooler (hoses, clamp) Clean and change the air cleaner element clean Fuel System Check the leakage fuel line Clean the fuel strainer of fuel feed pump Remove sediment from fuel tank Drain the water in separator Replace the fuel filter element Check fuel injection timing necessary When necessary Check the injection nozzles When necessary Engine Adjust Check the state of exhaust gas Check the battery charging Check the compression pressure When necessary Adjust Intake/Exhaust valve clearance 1st When necessary 2.22.3.

Use of original parts for repair and replacement For engine is being mechanically harmonized with many parts, only when the original parts that the manufacture recommends to use is used, the engine trouble would be preventively maintained and capable to keep up the maximum performances. For the analogous parts not the original parts are poor in qualities and gives ill performances, it may rather bring early engine failure