Komatsu — MAINTENANCE SCHEDULE CHART

. MAINTENANCE MAINTENANCE SCHEDULE CHART 41 43 43 44 46 47 49 50 51 52 52 53 53 54 55 56 57 57 58 59 60 61 63 64 65 66 68 70 71 72 73 74 75 77 78 79 79 81 81 81 4 - 18 EVERY 250 HOURS S ERVICE Lubrication ft (*) Lubricate drive sha Check drive shaft Clean breathers e ery electrolyte elt tension, adjust er compressor belt tension, adjust m acity of foot brake acity of retarder brake acity of parking brake king brake pads tor gas pressure l lithium-based grease is used, carry out greasing every 250 hours after this.

Clean overflow hos Check level of batt Check alternator b Check air condition er compressor belt tensi on, adjus Check frame, A-ar Check braking cap Check braking cap Check braking cap Check wear of par Check of accumula *: When the norma l lithium-based grease is used, carry out greasing every 250 hours after this. 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - EVERY 500 HOURS S ERVICE e oil pan, replace engine oil filter cartridge er cartridge nt pin (left and right:

1 place each) nal drive case, add oil ifferential case, add oil tor fins and after cooler fins ion, adjust from floating seal Change oil in engin e oil pan, replace engine oil filter cartridge Replace fuel prefilt Lubricate cab mou nt pin (left and right:

1 pl ace each) Check oil level in fi nal drive case, add oil ifferential case, add oil Check oil level in d Clean, check radia tor fins and after cooler fi Check fan belt tens Recover oil leaking 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - EVERY 1000 HOURS SERVICE filter cartridge reather element on filter element mission case oil tank, replace brake oil filter element Replace fuel main Replace fuel tank b Replace transmissi Change oil in trans Change oil in brake oil tank, replace brake oil filter element Lubrication brake ke disc r intake piping clamps for looseness Lubricating parking Check wear of bra Check of engine ai r intake piping clamps fo r looseness 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - EVERY 2000 HOURS SERVICE drive case ential case ilter element k strainer case strainer fferential lock hydraulic circuit Change oil in final Change oil in differ Replace hydraulic f Clean hydraulic tan Clean transmission Clean strainer in di fferential lock hydraulic c ircuit Clean breather r gas pressure ne valve clearance Check accumulato Check, adjust engi 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 - 4 -