TROUBLES AND ACTIONS
OPERATION
3-148
Chassis
3
q
( ): Always contact your Komatsu distributor when dealing with these items.
q
In cases of abnormalities or causes which are not listed below, please contact your Komatsu distributor for
repairs.
Problem
Main causes
Remedy
Speed of travel, swing, boom, arm,
bucket is slow
•Lack of hydraulic oil
•Add oil to specified level, see
CHECK BEFORE STARTING
Pump generates abnormal noise
•Clogged element in hydraulic tank
strainer
•Loose suction hose
•Clean, see EVERY 2000
HOURS SERVICE
•Retighten
Excessive rise in hydraulic oil tem-
perature
•Loose fan belt
•Dirty oil cooler
•Lack of hydraulic oil
•Check fan belt tension, see
EVERY 500 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
Summary of Contents for PC600-7
Page 2: ...1 1 FOREWORD 11 ...
Page 4: ...FOREWORD FOREWORD 1 3 ...
Page 5: ...FOREWORD FOREWORD 1 4 ...
Page 18: ...2 1 SAFETY 12 ...
Page 22: ...SAFETY SAFETY LABELS 2 5 LOCATION OF SAFETY LABELS 2 ...
Page 28: ...SAFETY SAFETY LABELS 2 11 19 Jump start prohibited 09842 A0481 ...
Page 59: ...3 1 OPERATION 13 ...
Page 168: ...MACHINE OPERATIONS AND CONTROLS OPERATION 3 110 Boom operation Bucket operation ...
Page 211: ...4 1 MAINTENANCE 4 ...
Page 277: ...MAINTENANCE MAINTENANCE PROCEDURE 4 67 q Center frame A Important check points q Boom ...
Page 288: ...5 1 SPECIFICATIONS 15 ...
Page 291: ...6 1 ATTACHMENTS AND OPTIONS 16 ...
Page 299: ......