MAINTENANCE PROCEDURE 4.9.5 EVERY 2000 HOURS MAINTENANCE Carry out the maintenance for EVERY 500 HOURS, and EVERY 1000 HOURS SERVICE at the same time. 4.9.5.a CHANGE OIL IN HYDRAULIC TANK, CLEAN STRAINER On machines filled with synthetic biodegradable hydraulic oil type HEES the oil must be changed after the first 500 hours of operation and successively every 2000 hours, and in any case at least once a year. When this maintenance is carried out, it is necessary to open (tilt) the floor. Before starting the operation to open the floor, read the precautions and refer to the explanation for each part in Section "3.2.12 METHOD OF OPENING (TILTING) FLOOR" when carrying out the operation.
Or ask your Komatsu distributor to carry out the maintenance. Immediately after the engine is stopped, the parts and oil are at a high temperature, and will cause bur- ns. Wait for the temperature to go down before starting the operation. When removing the oil filler cap, oil may spurt out, so turn it slowly to release the internal pressure befo- re removing it. Oils, filters, coolants and batteries are considered special waste and must be collected and disposed of according to the regulations in force. Container to catch drained oil: Min. 19 liters capacity Refill capacity: 19 liters Prepare a handle (for the socket wrench). 1.
Swing the upper structure so that the drain plug under the hydraulic tank will be between both tracks. 2. Retract the arm and bucket cylinders, then lower the boom and put the teeth in contact with the ground. 3. Lower the blade to the ground. 4. Set the safety lock lever to the LOCK position and stop the engine. NOTE For machines equipped with a cab, there is only a safety lock lever on the left. 203 CAUTION WARNING