24. SERVICE PROCEDURE 24.7.4 CHECK OIL IN UNDERCARRIAGE COMPONENTS Do as follows to check if the oil level in the track rollers, carrier rollers, and idler has gone down. Stop the machine on flat ground. Loosen the seal bolt 0 slowly and check if oil oozes out from the thread. If oil comes out, the oil level has not come down, so tighten the bolt immediately. AE080920 If no oil comes out even when the seal bolt @ is removed, the oil level is low, so please contact your Komatsu distributor for repair.
-- u---- - AE090930 24.7.5 REPLACE CORROSION RESISTOR CARTRIDGE The replacement interval for the cartridge element is printed on the cartridge, so replace the cartridge at the specified interval. 1. Screw in valves @ (2 places) at the top of the corrosion resistor. 2. Using a filter wrench, turn cartridge @ counterclockwise to remove it. 3. Coat the seal surface of the new cartridge with oil, then install it to the filter holder. 4. When installing, bring the packing surface into contact with the seal surface of the filter holder, then tighten a further 2/3 turn. 5. Open valves 0. Always use a genuine Komatsu cartridge.
REMARK After replacing the element, run the engine and check that there is no leakage of water from the filter seal surface. 3-57