PRECAUTIONS DURING 19.Be sure to assemble all parts again in their original places. Replace any damaged parts with new parts. e When installing hoses and wires, be sure that they will not be damaged by WORK 11.When removing the oil filler cap, drain plug or hydraulic pressure measuring plugs, loosen them slowly to prevent the spurting out. Before disconnecting oil from contact or removing compo- | nents of the oil, water or air circuits, first remove the pressure completely from the circuit. 12. The water and oil in the circuits when the engine is stopped, not to get burned.
are hot so be careful | Wait for the oil and water to cool before car- rying out any work on the oil or with other parts when the ma- chine is being operated. 20. When installing high pressure hoses, make sure that they are not twisted. Damaged tubes are dangerous, so be extremely careful when installing tubes for high pressure circuits. Also, check that connecting parts are correctly installed. water 21.When assembling or installing parts, always use the specified tightening torques. When 13. Before starting work, remove the leads from the battery. Always remove the lead from installing protective parts such as guards, or circuits. the negative (—) terminal first.
14.When raising heavy components, use a hoist or crane. Check that the wire rope, chains and hooks 22.When use lifting equipment which has ample capacity. Install the lifting equipment at the correct places. Use a hoist or crane and operate slowly to prevent the component from hitting any other part. Do not work with any part still raised by the hoist or crane. 15.When ternal removing covers which are under inpressure or under pressure from aligning two holes, never insert your fingers or hand. Be careful not to get your are free from damage. Always parts which vibrate violently or rotate at high speed, be particularly careful to check that they are installed correctly.
a spring, always leave two bolts in position on opposite sides. Slowly release the pressure, fingers caught in a hole. 23.When measuring hydraulic pressure, check that the measuring tool is correctly assem- bled before taking any measurements. 24. Take care when removing or installing the tracks of track-type machines. When removing the track, the track separates suddenly, so never let anyone stand at either end of the track. then slowly loosen the bolts to remove. 16. When removing components, be careful not to break or damage the wiring. Damaged wiring. may cause electrical fires. — 17.When removing piping, stop the fuel or oil from spilling out.
If any fuel or oil drips on to the floor, wipe it up immediately. Fuel or oil on the floor can cause you to slip, or can ~ even start fires. 18.As a general wash rule, do parts. In particular, use only the mini- mum of gasoline parts. 00-4 not use gasoline to when washing electrical 170-1 SERIES