. MAINTENANCE OUTLINES OF SERVICE 4 - 7 OIL SAMPLING Sampling interval 250 hours: Engine 500 hours: Other components Precautions when sampling 25 50 Make sure that the oil is well mixed before sa Perform sampling at regular fixed intervals. Do not perform sampling on rainy or windy d For fu rther details of KOWA, please contact your K STORING OIL AND FUEL impurities from getting in. Keep indoors to prevent any water, dirt, or other When keeping drum cans for a long period, put th e drum on its side so that the filler port of the drums is at the side to prevent moisture from being sucked in.
If d rums have to be stored outside, cover them with a waterproof sheet or take other measures to protect them. To prevent any change in quality during long-ter m storage, be sure to use in the order of first in - first out (use the oldest oil or fuel first). FILTERS Filters are extremely important safety parts. Th important equipment and causing problems. Replace all filters periodically. For details, see t However, when working in severe conditions, re (sulfur content) being used. ey prevent impurities in the fuel and air circuits from entering he Operation and Maintenance Manual. Replace all filters periodically.
For details, see t However, when working in severe conditions, re place the filters at shorter intervals according to the oil and fuel (sulfur content) being used. use them again. Always replace with new filters. Never try to clean the filters (cartridge type) and When replacing oil filters, check if any metal parti cles are attached to the old filter. If any metal particles are found, contact your Komatsu distributor. re they are to be used. Do not open packs of spare filters until just befo Always use Komatsu genuine filters. OUTLINE OF ELECTRIC SYSTEM It i s extremely dangerous if the electrical equipm ent becomes wet or the covering of the wiring is damaged.
This wil l cause an electrical short circuit and may lea d to malfunction of the machine. Do not wash the inside of the operator's cab with water. When washing the components. machine, be careful not to let water get into the electrical Service relating to the electric system is checkin g fan belt tension, checking damage or wear to the fan belt and checking battery fluid level. n those specified by Komatsu. Never install any electric components other tha External electro-magnetic interference may cau se malfunction of the control system controller, before installing a r adio receiver or other wireless equipment, co ntact your Komatsu distributor. he electric system to prevent corrosion.
ected to the fuse, starting switch, or battery relay. When working at the seashore, carefully clean t Th e optional power source must never be conn