16. TROUBLESHOOTING 16.6.2 CHASSIS ( ): Always contact your Komatsu distributor when dealing with these items. In cases of abnormalities or causes which are not listed below, please contact your Komatsu distributor for repairs.
2-105 Main causes ‡ Lack of hydraulic oil Pump generates abnormal noise ‡ Clogged element in hydraulic tank strainer ‡ Clean, see EVERY 2000 HOURS SERVICE Excessive rise in hydraulic oil temperature ‡ Loose fan belt ‡ Dirty oil cooler ‡ Lack of hydraulic oil ‡ Adjust fan belt tension, see EVERY 250 HOURS SERVICE ‡ Clean, see EVERY 500 HOURS SERVICE ‡ Add oil to specified level, see CHECK BEFORE STARTING Track comes off ‡ Track too loose ‡ Adjust track tension, see WHEN REQUIRED Abnormal wear of sprocket Bucket rises slowly, does not rise ‡ Lack of hydraulic oil ‡ Add oil to specified level, see CHECK BEFORE STARTING Does not swing ‡ Swing lock switch still applied ‡ Turn swing lock switch OFF