Komatsu D37EX-21 - Maintenance Schedule Chart; When Required; Check before Starting; Every 50 Hours Service

MAINTENANCE MAINTENANCE SCHEDULE CHART
4-17
MAINTENANCE SCHEDULE CHART 4
MAINTENANCE SCHEDULE CHART 4
WHEN REQUIRED 4
Check, clean and replace air cleaner element .................................................................................................. 4-194
Clean inside of cooling system.......................................................................................................................... 4-234
Check track tension........................................................................................................................................... 4-254
Check and tighten track shoe belt..................................................................................................................... 4-274
Check electrical intake air heater ...................................................................................................................... 4-274
Reverse and replace end bits and cutting edges .............................................................................................. 4-284
Check idler oil level, add oil............................................................................................................................... 4-294
Adjust idler clearance........................................................................................................................................ 4-294
Adjust play in center ball ................................................................................................................................... 4-304
Grease door hinge ............................................................................................................................................ 4-304
Check door lock striker...................................................................................................................................... 4-314
Check, adjust air conditioner............................................................................................................................. 4-314
Check window washer fluid level, add fluid....................................................................................................... 4-334
Replace wiper blade.......................................................................................................................................... 4-334
Procedure for bleeding air in hydraulic system ................................................................................................. 4-344
Procedure for releasing internal pressure of hydraulic system ......................................................................... 4-354
CHECK BEFORE STARTING 4
EVERY 50 HOURS SERVICE 4
Drain water, sediment from fuel tank ................................................................................................................ 4-374
EVERY 250 HOURS SERVICE 4
Lubricating......................................................................................................................................................... 4-384
Check oil level in final drive case, add oil.......................................................................................................... 4-404
Check level of battry electrolyte ........................................................................................................................ 4-414
Check brake performance................................................................................................................................. 4-434
Clean air conditioner aie filter (fresh/recirc filter)............................................................................................... 4-444
EVERY 500 HOURS SERVICE 4
Replace fuel filter cartridge ............................................................................................................................... 4-454
Change oil in engine oil pan, replace engine oil filter cartridge......................................................................... 4-484
Replace corrosion resister cartridge ................................................................................................................. 4-494
Clean, check radiator fins and oil cooler fins..................................................................................................... 4-504
EVERY 1000 HOURS SERVICE 4
Change oil in final drive case ............................................................................................................................ 4-514
Check fan belt tension, adjust........................................................................................................................... 4-514
Check all tightening parts of turbocharger ........................................................................................................ 4-514
Check play of turbocharger rotor....................................................................................................................... 4-524
Check for loose rops mount bolts...................................................................................................................... 4-524