Komatsu — GUIDES TO MAINTENANCE

. MAINTENANCE GUIDES TO MAINTENANCE CHECK SERVICE METER: Check the service meter reading every day to see if the time has come for any necessary maintenance to be performed. use the Komatsu genuine lubricants. Moreover use oil of the specified viscosity 4 - 2 GUIDES TO MAINTENANCE Do not pe rform any inspection a nd maintenance oper ation tha t is not foun KOMATSU GENUINE REPLACEMEN T PARTS: Use Koma tsu genuine parts spe cified in the Parts Bo ok as replacement p KOMATSU GENUINE OILS: For lubric ation of the machine, according to the ambient tempe ALWAYS USE CLEAN WASHER FLU ID: Use auto mobile window washer fluid, and be careful not to let any dirt get ALWAYS USE CLEAN OIL AND GRE ASE:

Use clean oil and grease. Also, keep the containers o f the oil a nd grease clean. Keep foreign materials a way from oil and gre ase. CHECKING FOR FOREIGN MATERIALS IN DRAINED OIL AND ON FILTERS: After oil is changed or filters are r eplaced, check the old oil and fi lters for met al particles and for eign materia ls. If l arge quantity o f metal particles or foreign materials are found, always report to the person in charge, and carry out ction. harge, carry suitable a FUEL STRA INER: Do not re move the strainer from the filler port when a dding fue WELDING INSTRUCTIONS: Cut off power. Wait for appro x.

one minute after tu rning off t he engine starting switch key , and then di sconnect the neg ative (-) terminal of th e battery. V continuously. hin 1 m (3.3 ft) of the area to be welded. If grounding cable is connected near , the instruments may malfunction. Do not apply more than 200 Connec t grounding cable wit hin 1 m (3.3 instrum ents, connectors, etc. , the instruments may malfunction. If a sea l or bearing happens t o come between the p art being welded an d grounding point, change the g rounding point to avoid such parts. he work equipment pins or the hydraulic cylinders as the grounding point.

Do not use the area around t he work equipment pi ns or the hydraulic c ylinders as the gro unding point DO NOT DROP THINGS INSIDE MAC HINE: When o pening inspection win dows or the oil filler p ort of the tank to car ry out inspection, be careful n ot to drop nuts, bo If such t lead to lts, or tools inside the machine. hings are dropped ins ide the machine, it ma y cause damage an d/or malfunction of the machine , an d will failure. If you drop an ything inside the mac hine, always remove it immediately. r inspection. Do not put unnecessary thing s in your pockets. C arry only things whic h are necessary fo r inspection.