Bobcat 620 Operation & Maintenance Manual – PDF DOWNLOAD
FILE DETAILS:
Bobcat 620 Operation & Maintenance Manual – PDF DOWNLOAD
Language : English
Pages : 48
Downloadable : Yes
File Type : PDF
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
Bobcat 620 Operation & Maintenance Manual – PDF DOWNLOAD
WARNINGS 2
FOREWORD 3
CONTENTS 3
620 BOBCAT LOADER PICTORIAL PARTS 4
OPERATING INSTRUCTIONS 5
OPERATING INSTRUCTIONS 7
SAFETY 7
MOUNTING & DISMOUNTING 7
CONTROLS 7
PRE-STSRTING INSPECTION 9
STARTING PROCEDURE 9
NORMAL STARTING CONDITION 9
COLD WEATHER STARTING CONDITIONS 10
BUCKET SIZE 10
TO OPERATE THE BOBCAT 10
FILLING THE BUCKET 11
OPERATION HINTS 11
DIGGING WITH THE BUCKET 11
LEVELING AND BACKFILLING 12
DUMPING THE BUCKET 12
TOWING 12
TRANSPORTING BY PICKUP 12
TRANSPORTING BY TRAILER 12
PREVENTIVE MAINTENANCE 13
SERVICE & MAINTENANCE 14
SERVICE SCHEDULE 15
ROPS ENCLOSURE 16
Tilting The ROPS 16
BOB-TACH 16
PIVOT PINS 16
WHEEL RORQUING 16
TIRE MAINTENANCE 16
TIRE ROTATION 17
TIRE REPLACEMENT 17
LUBRICATION 17
ENGINE OIL SPECIFICATIONS 17
CHANGING OIL AND FILTER 18
TO CHANGE OIL FILTER ELEMENT 18
ENGINE AIR INLET SYSTEM (AIR CLEANER) 18
ENGINE COOLING SYSTEM 19
FUEL SERVICING 20
CONDENSATION IN THE FUEL TANK 20
ELECTRICAL SYSTEM 21
HYDRAULIC SYSTEM 22
TRANSMISSION FLUID FILTERS 22
HYDRAULIC/HYDROSTATIC TRANSMISSION FLUID 23
CHECKING AND ADDING FLUID 23
DRAINING THE FLUID RESERVOIR 23
QUICK COUPLERS 24
HYDRAULIC SYSTEM LEAKS 24
HYDRAULIC CYLINDER MAINTENANCE 24
HYDRAULIC CYLINDER INSPECTION 24
HYDROSTATIC SYSTEM 25
MAINTENANCE OF HYDROSTATIC TRANSMISSION 25
REPLACEMENT OF 10 MICRON FILTER 25
AIR IN SYSTEM 26
OVERHEATING 26
CONTROL LINKAGE 26
MECHANICAL TRANSMISSION (CHAIN REDUCTION) 26
TROUBLESHOOTING 27
TROUBLESHOOTING THE ENGINE 29
TROUBLESHOOTING THE DRIVE SYSTEM 30
TROUBLESHOOTING THE HYDRAULIC SYSTEM 31
MAJOR PARTS 33
MAIN FRAME PARTS 35
HYDRAULIC SYSTEM 36
WISCONSIN ENGINE PARTS 37
ELECTRICAL SYSTEM 38
HYDROSTATIC SYSTEM 39
DRIVE SYSTEM 40
GENERAL INFORMATION 41
LOADER ACCESSORIES 43
FRONT & REAR LIGHTS 43
FLASHER LIGHTS 43
WINDSHIELD WIPER 43
BACKUP ALARM 43
OPERATIONAL & PERFORMANCE 44
ENGINE 44
LOADER HYDRAULICS 44
ELECTRICAL 44
POWER TRAIN 44
CAPACITIES 44
TIRES 44
MACHINE WEIGHT 44
DELIVERY REPORT 45
50-HOUR INSPECTION 45
PRE-DELIVERY INSPECTION 45
LOADER TORQUES 46
ENGINE TORQUES 46
WARRANTY 47
DESCRIPTION:
Bobcat 620 Operation & Maintenance Manual – PDF DOWNLOAD
FOREWORD:
- This book is written to give the owner/operator necessary operating, routine servicing and preventive maintenance instructions for the Model 620 Bobort Read this manual thoroughly and become completely familiar with all the aspects of the machine before proceeding with operating and servicing.
- To locate desired section, place thumb on respective tab and flip pages until corresponding section tab is reached. For any additional information required, please refer to your Bobcat dealer.
- Maintenance which is beyond the scope of this manual should not be attempted by anyone other than qualified, authorized Melroe Dealer Servicing personnel.
SAFETY:
- Mounting & Dismounting There is always the risk of injury to the operator if safety precautions are not observed during loader operation. Study the items inside the front cover of this manual.
- This machine should always be shut down and the bucket completely lowered before leaving the seat.
- If checks are to be made which require the machine to be running, it must fint be raised and blocked so that all four wheels are off the ground.
- Fuelling operation must only be made after the engine has cooled and in a well ventilated area, which is free of sparks or open flame. Fig 2 Fastening Steering Steering
G.B 08/03/25