Komatsu PC340-7K Hydraulic Excavator Index:

FOREWORD
FOREWORD………………………………………………………………………………………………………………………………………… 2
SAFETY INFORMATION……………………………………………………………………………………………………………………….. 3
NOISE………………………………………………………………………………………………………………………………………… 5
VIBRATION…………………………………………………………………………………………………………………………………. 5
INTRODUCTION…………………………………………………………………………………………………………………………………… 6
DIRECTIONS OF MACHINE …………………………………………………………………………………………………………. 6
PRODUCT INFORMATION ……………………………………………………………………………………………………………………. 7
MACHINE SERIAL NUMBER PLATE AND ITS LOCATION………………………………………………………………. 7
ENGINE SERIAL NUMBER PLATE AND ITS LOCATION…………………………………………………………………. 7
SERVICE METER LOCATION ………………………………………………………………………………………………………. 8
TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR ……………………………………………………………………… 8
MACHINE SERIAL PLATE ……………………………………………………………………………………………………………. 9
SAFETY
POSITION FOR ATTACHING SAFETY LABELS……………………………………………………………………………………. 14
POSITION FOR ATTACHING SAFETY LABELS……………………………………………………………………………. 14
SAFETY LABELS ………………………………………………………………………………………………………………………. 15
SAFETY INFORMATION……………………………………………………………………………………………………………………… 22
SAFETY (MACHINE OPERATION) ………………………………………………………………………………………………………. 32
STARTING ENGINE…………………………………………………………………………………………………………………… 32
OPERATION……………………………………………………………………………………………………………………………… 33
TRANSPORTATION…………………………………………………………………………………………………………………… 38
BATTERY …………………………………………………………………………………………………………………………………. 38
TOWING …………………………………………………………………………………………………………………………………… 40
MATERIAL HANDLING WITH ATTACHMENT……………………………………………………………………………….. 41
SAFETY MAINTENANCE INFORMATION …………………………………………………………………………………………….. 42
OPERATION
GENERAL VIEW ………………………………………………………………………………………………………………………………… 52
GENERAL VIEW OF MACHINE…………………………………………………………………………………………………… 52
EXPLANATION OF COMPONENTS……………………………………………………………………………………………………… 53
CONTROL LEVERS, PEDALS …………………………………………………………………………………………………….. 53

MACHINE OPERATIONS AND CONTROLS………………………………………………………………………………………….. 56
BEFORE STARTING ENGINE …………………………………………………………………………………………………….. 56
MACHINE OPERATION ……………………………………………………………………………………………………………… 57
WORK EQUIPMENT CONTROLS AND OPERATIONS ………………………………………………………………….. 60
PROHIBITED OPERATIONS ………………………………………………………………………………………………………. 61
TRAVELLING ON SLOPES…………………………………………………………………………………………………………. 63
ESCAPE FROM MUD…………………………………………………………………………………………………………………. 64
RECOMMENDED APPLICATIONS………………………………………………………………………………………………. 64
PARKING MACHINE ………………………………………………………………………………………………………………….. 65
TRANSPORTATION……………………………………………………………………………………………………………………………. 67
TRANSPORTATION PROCEDURE……………………………………………………………………………………………… 67
PROCEDURE FOR INCREASING OR REDUCING TRACK FRAME GAUGE……………………………………. 68
LOADING AND UNLOADING WITH TRAILER ………………………………………………………………………………. 70
LONG TERM STORAGE……………………………………………………………………………………………………………………… 71
BEFORE STORAGE…………………………………………………………………………………………………………………… 71
TROUBLESHOOTING…………………………………………………………………………………………………………………………. 72
PRECAUTIONS ON PARTICULAR JOBSITES ……………………………………………………………………………… 72
ATTACHMENT MOUNTING AND DISMOUNTING
GENERAL PRECAUTIONS …………………………………………………………………………………………………………………. 74
PRECAUTIONS RELATED TO SAFETY ………………………………………………………………………………………. 74
PRECAUTIONS WHEN INSTALLING ATTACHMENTS………………………………………………………………….. 76
MACHINES READY FOR ATTACHMENTS …………………………………………………………………………………………… 77
EXPLANATION OF COMPONENTS…………………………………………………………………………………………….. 77
HYDRAULIC CIRCUIT………………………………………………………………………………………………………………… 79
ATTACHMENT MOUNTING/DISMOUNTING PROCEDURE …………………………………………………………… 80
MAINTENANCE
SERVICE REQUIREMENTS (MATERIAL HANDLING MACHINE)……………………………………………………………. 84
EVERY 100 HOURS SERVICE……………………………………………………………………………………………………. 85
SPECIFICATIONS
SPECIFICATIONS………………………………………………………………………………………………………………………………. 90
MACHINE DIMENSIONS…………………………………………………………………………………………………………….. 90
WORKING RANGE…………………………………………………………………………………………………………………….. 91
LIFTING CAPACITY CHART……………………………………………………………………………………………………….. 92