6 6. To avoid short-circuiting the battery, always remove the earth cable fi rst and attach the plus cable fi rst. 7. Keep a fi rst-aid box and a fi re extinguisher at hand at all times. 8. Do not open the radiator cap before the radiator has cooled down suffi ciently. First loosen the cap to the fi rst stop and allow the system enough time to release the remaining pressure. Then loosen the cap completely. 9. Leaking hydraulic fl uid has enough pressure to penetrate the skin and cause serious injuries. Leakages from pin holes can be totally invisible. Do not use the bare hand for checking on possible leakages. Always use a piece of wood or cardboard.
It is strongly recommended to use a face mask or eye protection. Should injuries occur with leaking hydraulic fl uid, contact a doctor immediately. This fl uid can cause gangrene or serious allergic reactions. 13. Use a face mask or eye protection to protect the eyes and respiratory system against dust and other foreign particles. 14. Securely support excavator with stands or suitable blocking before working underneath. For your safety, do not work under any hydraulically supported devices. They can settle, suddenly leak down, or be accidentally lowered. 15. Do not crawl under the excavator if the excavator is only supported by the boom and arm or the dozer.
The excavator can tip over or lower itself due to hydraulic pressure loss. Always use safety struts or other appropriate supports. 16. KUBOTA uses no parts which are lined with asbestos. Do not use these kind of parts even if they can be installed. 10. To avoid leakage of battery acid which contains heavy metals, do not throw the battery away. 11. Observe all laws and regulations concerning the disposal of used oil, coolants, solvents, hydraulic fl uids, battery acids and batteries. 12. To avoid fi re, do not heat the hydraulic components (tanks, pipes, hoses, cylinders) before they are drained and washed.