MAINTENANCE PROCEDURE MAINTENANCE 7. Loosen hose clamp (2) and remove hose (3), then loosen bolt (4) and take out strainer (5). 8. Remove any dirt stuck to strainer (5), then wash it in clean diesel fuel or flushing oil. If strainer (5) is damaged, replace it with a new part. 9. Secure strainer (5) in position with bolt (4), then install hose (3) and secure it with hose clamp (2). 10.Add the specified amount of new and clean engine oil (for hydraulic system) through oil filler port (F). Check that the oil level is between H and L on the sight gauge.
11.Extend the boom, arm, and bucket cylinder fully as shown in the diagram on the right, remove the oil filler cap, then install the cap and pressurize the inside of the tank. NOTICE Be sure to pressurize the hydraulic tank. If it is not pres- surized, the pump will suck in air, and this will adversely affect the equipment. 12.After replacing the oil, set each control lever to the neutral position and run the engine idle at a low speed for 2 to 3 minutes, then start the normal work. 0. 0. 0. Alternator and Starting Motor - Inspect 0. The brush may be worn or the bearing may have run out of grease. Contact your Komatsu distributor for inspec- tion or repair.
If the engine is started frequently, carry out inspection every 1000 hours. 4-58