24. SERVICE PROCEDURE 24.7.3 CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE AND BYPASS FILTER CARTRIDGE (FOR MACHINES EQUIPPED WITH BYPASS FILTER) WARNING The oil is at high temperature after the machine has been operated. Always wait for the temperature to go down before starting this operation. Prepare the following. Container to catch drained oil: Min. 28 ¬ capacity Refill capacity of oil pan: 28 ¬ (7.4 US gal, 6.2 UK gal) Filter wrench 1. Set the container immediately under drain plug P under the chassis to catch the oil. 2. Lower the lever of drain plug P slowly to avoid getting oil on yourself, and drain the oil. After draining the oil, raise the lever. 3.
Inspect the drained oil, and if there is a large amount of metal particles or foreign material, please contact your Komatsu dis- tributor. 4. Open the engine hood, and using the filter wrench from above the engine, turn engine oil filter cartridge 1 and bypass filter cartridge 2 counterclockwise to remove them. A large amount of oil will come out immediately after the engine is stopped, so wait for 10 minutes after the engine is stopped before draining the oil. 5. Clean the engine oil filter holder, fill the new filter cartridge with clean engine oil, coat the packing and thread of new filter cartridge 1 with engine oil (or coat thinly with grease), then install.
AM091720 REMARK Check that there is no old packing stuck to the filter holder. If there is any old packing stuck to the filter, it will cause leakage of oil. 3-59