. MAINTENANCE SECONDARY MATERIALS FOR OPERATION GREASE wear of the rotating parts. 4 - 13 Grease is used to prevent sei Construction equipment is use d under heavy-duty conditions. Always u se the recommended greas e to match the ambient temperature, and cha nge the grease at the specified interval given in th e Operation and Maintenance Manual. For details of the grea se to use, see "RECOMMENDED FUE L, COOLANT, A ND LUBRICANT (PAGE 4-16)".
Grease fittings not listed in the inspection and maintenance section ar e grease fi ttings that are us ed at t he t ime of overhaul, so there is no nee When using the machine after it has been in storage for a long time, ca rry out greasing if there is a ny stiffnes s or screeching. Always wipe off all of the old g rease that is pushed out when greasing Be particularly careful to wipe off the old grease in places where sand or dirt sticking in the greas e woul d cause STORING OIL AND FUEL ater, dirt, or other impurities from getting in.
Keep indoors to prevent any w ater, dirt, or other impurities from gettin When keeping drum cans for a long period, put the drum on its side so t hat the fille r port of the drum s is at the side to prevent moisture from bein g sucked in. If drums have to be stored out side, cover them with a waterproof shee t or take o ther m easures to prote ct them. To prevent any change in qual ity during long-term storage, be sure to u se in the o rder o f first in - fir st out ( use the oldest oil or fuel first). FILTERS Filters are extremely importan t safety parts. They prevent impurities in the fuel and air circuits from entering ing problems. For details, see the Operation and Maintenance Manual.
important equipment and caus Replace all filters periodically. For details, see the Operation and Main tenance M anua However, when working in sev ere conditions, replace the filters at sho rter interv als according to t he oil and fuel (sulfur content) being used. artridge type) and use them again. Always replace with new filters. Never try to clean the filters (c artridge type) and use them again. Alwa ys replace with new filters. When replacing oil filters, chec k if any metal particles are attached to the old filter. If any meta l partic les ar e found, consult your Komatsu distribu tor. ters until just before they are to be used. elements is strongly recommended.
Do not open packs of spare fil ters until just before they are to be used Use of Komatsu genuine filter elements is strongly recommended.