16. TROUBLESHOOTING 16.6.2 CHASSIS ° e _(): Always contact your Komatsu distributor when dealing with these items. Incases of abnormalities or causes which are not listed below, please contact your Komatsu distributor for repairs.
Problem Speed of travel, swing, boom, arm, bucket is slow Pump generates abnormal noise Main causes Remedy Lack of hydraulic oil Add oil to specified level, see “CHECK BEFORE STARTING” Clogged strainer element Loose fan belt Excessive rise in hydraulic oil temperature Dirty oil cooler Lack of hydraulic oil Track comes off Track too loose in hydraulic tank Clean, see “EVERY 2000 HOURS SERVICE” Adjust fan belt tension, see “EVERY 250 HOURS SERVICE” Clean, see “EVERY 500 HOURS SERVICE” Add oil to specified level, see “CHECK BEFORE STARTING” Adjust track tension, REQUIRED” see “WHEN Abnormal wear of sprocket PC160/180/200-6k-ENG Bucket rises slowly, does not rise Lack of hydraulic oil Add oil to specified level, see “CHECK BEFORE STARTING” 2-95