. MAINTENANCE RECOMMENDED FUEL, COOLANT, AND LUBRICANT RECOMMENDED BRANDS, RECOMMENDED QUALITY FOR PRODUCTS OTHER THAN KOMATSU GENUINE OIL 4 - 11 Note .1 : Powe r train of oil has different p roperti es from engine oil. Be sure to use th e recommended Note .2 : Hype r white grease ( G2-T) has a high performanc n it is ne cessary to improve the lu bricating ability of t he greas e in order to preven t squeaking of pins ushing s, the us e of G2-T i s recommende Note. 3 : Supercoolan t (AF-N 1) The coolan t has th e impor tant functio n of pre venting corrosion as well a s preventi ng freezin Even in the areas where fr eezing is n ot an is sue, the use of ant ifreeze c oolant is essential.
Komatsu m achine s are su pplied with Komat su Supercoolant (A F-NAC) . Komatsu Supercoolant (A F-NAC) has excellent a nticorrosion,ant ifreeze and cooling properties and ca n be use d continuo usly for 2 y ears o r 4000 hours. Komatsu S upercoolant (A F-NAC) is s trongly recommended wh erever a vailable. 2) For details with water, (PAGE 4-2 Whe n the m achine is shipp ed from the factory , it may be fi lled wi th coola nt containi ng 30% or more Supercoolant (AF-NAC). In this c ase, no adjustment is need ed for te mperature s down t o -10°C (1 4°F).
(nev er dilut e with water) 3) To m aintai n the a nticorros upercoolan Supercoolant between 3 0% and When u sing c ommercially ava ilable oils o ther th an Komatsu genuin e oil, or when che cking the la test s pecifications, refer to the K omatsu web pag e or consu lt your Komats u distributo