Komatsu — 23. MAINTENANCE SCHEDULE CHART

23.

MAINTENANCE SCHEDULE CHART SERVICE ITEM PAGE (EVERY 250 HOURS SERVICE) ‡ Ripper arm pin (front) (2 places) 3-45 ‡ Ripper arm pin (rear) (2 places) 3-45 ‡ Equalizer bar side shaft (2 places) 3-46 ‡ Suspension (Equalizer bar center shaft) (1 place) 3-46 ‡ Fan pulley (1 place) 3-46 Change oil in engine oil pan, replace engine oil filter cartridge 3-47 Check oil level in hydraulic tank, add oil 3-49 Check, adjust alternator drive belt tension 3-50 Check level of battery electrolyte 3-51 Check brake performance 3-52 EVERY 500 HOURS SERVICE Replace fuel filter cartridge 3-53 Replace transmission filter element and torque converter oil filter element 3-54 Check oil level in final drive case, add oil 3-55 Check, replace fan belt 3-56 EVERY 1000 HOURS SERVICE Change oil in power train case, clean strainers (incl.

transmission case, torque 3-57 converter case and bevel gear case) Check, clean fuel strainer 3-58 Clean steering clutch case breather 3-59 Check oil level in recoil spring and assist cylinder case, add oil 3-59 Grease tension pulley assembly 3-59 Check for loose ROPS mount bolts 3-60 Replace corrosion resistor cartridge 3-60 Check all tightening parts of turbocharger 3-60 EVERY 2000 HOURS SERVICE Change oil in hydraulic tank, replace hydraulic oil filter element 3-61 Change oil in final drive case 3-62 Change oil in damper case, clean air hole and breather 3-63 Check pivot bearing oil level, add oil 3-64 Clean engine breather element 3-64 3-20