Bobcat 643 Operators Manual – PDF DOWNLOAD
FILE DETAILS:
Bobcat 643 Operators Manual – PDF DOWNLOAD
Language : English
Pages : 84
Downloadable : Yes
File Type : PDF
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
Bobcat 643 Operators Manual – PDF DOWNLOAD
WARNINGS 3
SAFETY INSTRUCTIONS 5
SAFETY IS YOUR RESPONSIBILITY 5
BEFORE YOU OPERATE THE BOBCAT LOADER 5
FOREWORD 7
CONTENTS 7
REFERENCE INFORMATION 7
643 BOBCAT LOADER IDENTIFICATION 8
OPERATING INSTRUCTIONS 9
OPERATING INSTRUCTIONS 11
CONTROLS 12
DECAL LOCATIONS 13
DASH PANEL 14
THROTTLE CONTROL 14
STOPPING THE ENGINE 14
PARKING BRAKE 14
STEERING LEVERS 15
HYDRAULIC CONTROLS 16
Foot Pedals (Hydraulic) 16
BEFORE YOU START THE ENGINE 17
STARTING THE ENGINE 18
Normal Starting Condition 19
Cold Temperature Starting Condition 19
BOBCAT LOADER OPERATION 20
Bucket Size 20
Installation Of Attachments 21
Removal Of Attachments 21
OPERATING PROCEDURE 22
Filling The Bucket 23
To Empty The Bucket 23
Digging Into The Ground 24
Making The Ground Level Using Float Position 24
Filling A Hole 24
STOPPING THE BOBCAT LOADER 25
TRANSPORTING THE BOBCAT LOADER 25
LIFT ARM STOP 26
LIFTING THE OPERATOR GUARD 26
LOWERING THE OPERATOR GUARD 27
PREVENTIVE MAINTENANCE 29
WARNINGS 30
SERVICE SCHEDULE 31
ENGINE SERVICE 32
ADJUSTING DOOR LATCH 32
AIR CLEANER SERVICE 32
FUEL SYSTEM 33
FUEL SYSTEM SERVICE 33
FUEL FILTER 33
REMOVING AIR FROM THE FUEL SYSTEM 34
ENGINE LUBRICATION SYSTEM 34
REPLACEMENT OF ENGINE OIL AND FILTER 35
COOLANT LEVEL 35
REMOVING COOLANT FROM THE COOLING SYSTEM 36
ALTERNATOR BELT 36
ELECTRICAL SYSTEM 36
USING AN EXTRA BATTERY (JUMP STARTING) 39
TO INSTALL A NEW BATTERY 40
SPARK ARRESTOR MUFFLER 41
HYDRAULIC SYSTEM 41
HYDRAULIC/HYDROSTATIC OIL RESERVOIR 41
Checking And Adding Oil 43
Removing Hydraulic Oil 43
REPLACEMENT OF THE HYDRAULIC FILTER 44
FINAL DRIVE TRANSMISSION (CHAINCASE) 44
TIRE MAINTENANCE 44
Tire Rotation 45
Wheel Nuts 45
LUBRICATION OF THE BOBCAT LOADER 45
ROLL OVER PROTECTION STRUCTURE (ROPS & FOPS) 46
DELIVERY REPORT 47
THIRTY HOUR INSPECTION 48
TROUBLESHOOTING 49
TROUBLESHOOTING THE ENGINE 49
TROUBLESHOOTING THE DRIVE SYSTEM 50
TROUBLSHOOTING THE HYDRAULIC SYSTEM 51
MAJOR PARTS 53
MAIN FRAME 55
DRIVE SYSTEM 57
HYDRAULIC SYSTEM 59
HYDROSTATIC SYSTEM 61
ELECTRICAL SYSTEM 63
POWER UNIT 65
DECALS 67
DECALS 69
WARNING – 6563484 71
SERVICE SCHEDULE – 6561387 72
WARNING – 6561380 74
WARNING – 6563380 75
IMPORTANT – 6560573 76
GENERAL INFORMATION 77
LOADER SPECIFICATIONS 79
WEIGHTS 79
SPEED 79
ENGINE 79
LOADER HYDRAULICS 79
DRIVE SYSTEM 80
ELECTRICAL 80
TIRES 80
FLUID CAPACITIES 80
ADDITIONAL PUBLICATIONS 81
WARRANTY 83
DESCRIPTION:
Bobcat 643 Operators Manual – PDF DOWNLOAD
FOREWORD:
- This book is written to give the owner/operator necessary operating, servicing and preventive maintenance instructions for the Model 642 Bobcat loader. Read this manual completely and know the loader before operating and servicing it.
- To find a section, put thumb on the tab and turn pages until correct section is reached. For any extra information needed, see your Bobcat dealer. Do not do any service procedures that are not in the OPERATOR’S MANUAL! Only service personnel that have had training in service of the Bobcat loader can do these service procedures.
- If extra Parts Books, Service Manuals or Operator’s Manuals are needed, they are available through the Bobcat dealer in your area for an added cost.
OPERATING INSTRUCTIONS:
- DO NOT operate the Bobcat loader until you have read this operator’s manual completely. Instructions for operating the Bobcat loader with safety and efficiency are given on the following pages.
- Carefully follow these instructions to take advantage of the Bobcat loader’s design. You must remember operator safety at all times while you operate the loader.
- Read the safety instructions inside the front cover of the operator’s manual. It is important that you use the following procedures when you operate the loader.
G.B 10/03/25
