Bobcat 743B Loader Operation & Maintenance Manual SN 509318000 & Above – PDF DOWNLOAD

Description

Bobcat 743B Loader Operation & Maintenance Manual SN 509318000 & Above – PDF DOWNLOAD

FILE DETAILS:

Bobcat 743B Loader Operation & Maintenance Manual SN 509318000 & Above – PDF DOWNLOAD

Language : English
Pages : 88
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Bobcat 743B Loader Operation & Maintenance Manual SN 509318000 & Above – PDF DOWNLOAD

FOREWORD:

This Operation & Maintenance Manual was written to give the owner/operator instructions on the safe operation and maintenance of the Bobcat loader. READ AND UNDERSTAND THIS OPERATION & MAINTENANCE MANUAL BEFORE OPERATING YOUR LOADER. If you have any questions, see your Bobcat loader dealer.

SAFETY INSTRUCTIONS:
SAFETY IS THE OPERATOR’S RESPONSIBILITY:

• The Skid Steer Loader is a highly maneuverable and compact machine. In operation, it is rugged and useful under a wide variety of conditions. This presents an operator with hazards associated with off highway, rough terrain applications. The loader has an internal combustion engine with resultant heat and exhaust. All exhaust gases can kill or cause illness so the loader must be used with adequate ventilation. The loader has a spark arrestor muffler which is required for operation in certain areas.
• The dealer explains the capabilities and restrictions of the loader and attachments for each application. The dealer
  demonstrates the safe operation of the loader according to Melroe’s instructional materials; which are also available to operators. The dealer can also identify unsafe modifications or use of unapproved attachments. The attachments and buckets are designed for rated capacity and secure fastening to the loader. The user must check with the dealer, or Melroe Company literature, to determine safe loads of materials of specified densities for his loader–attachment combination.

The following publications provide information on the safe use and maintenance of the loader and attachments:
• The Delivery Report is used to assure that complete instructions have been given to the new owner and that the machine
is in safe operating condition.
• The Operation & Maintenance Manual delivered with the loader gives operating information as well as routine
maintenance and service procedures. It is a part of the loader and must stay with the machine when it is sold.
Replacement Operation & Maintenance Manuals can be ordered from your Bobcat loader dealer.
• The loader has machine signs (decals) which instruct on the safe operation and care. The signs and their locations are
shown in the Operation & Maintenance Manual. Replacement signs are available from your Bobcat loader dealer.
• The loader has a plastic Operator’s Handbook fastened to the operator cab. Its brief instructions are convenient to the
operator. The handbook is available from your dealer in English edition or a combination English, French, German,
Italian, Dutch & Spanish edition.
• The EMI Safety Manual (available in Spanish) delivered with the loader gives general safety information.
• The Service Manual and Parts Manual are available from your dealer for use by mechanics to do shop–type service and
repair work.
• The Skid–Steer Loader Operator Training Course is available through your local dealer. This course is intended to
provide rules and practices for correct operation of the Bobcat loader. The course is available in English and Spanish
version.
• The Bobcat Skid–Steer Loader Safety Video is available from your Bobcat Dealer.
The dealer and owner/operator review the recommended uses of the loader and attachments when the loader is delivered.
If the owner/operator will be using the loader for a different application(s) he must ask the dealer for recommendations on
the new use.

TABLE OF CONTENTS:

Bobcat 743B Loader Operation & Maintenance Manual SN 509318000 & Above – PDF DOWNLOAD

OPERATOR SAFETY WARNINGS 3
CONTENTS 5
REFERENCE INFORMATION 5
FOREWORD 7
SAFETY 11
SERIAL NUMBER LOCATIONS 9
LOADER SERIAL NUMBER 9
ENGINE SERIAL NUMBER 9
DELIVERY REPORT 9
BOBCAT SKID STEER LOADER IDENTIFICATION 10
SAFETY INSTRUCTIONS 13
SAFETY IS THE OPERATOR’S RESPONSIBILITY 13
BEFORE OPERATING THE BOBCAT LOADER 14
SAFE OPERATION NEEDS A QUALIFIED OPERATOR* 14
FIRE PREVENTION 15
MACHINE SIGNS (DECALS) 16
OPERATING INSTRUCTIONS 19
INSTRUMENT PANEL 21
ENGINE SPEED CONTROL 21
PARKING BRAKE 22
STEERING LEVERS 23
HYDRAULIC CONTROLS 24
Foot Pedals 24
Lift Arm Operation 24
Tilt Operation (Bucket) 24
Auxiliary Hydraulics Operation (Optional) 25
DAILY INSPECTION 26
SEAT BAR RESTRAINT SYSTEM 27
GETTING READY FOR OPERATION 28
STARTING THE ENGINE 29
Normal Starting Condition 30
Cold Temperature Starting Condition 31
Warming The Hydraulic/Hydrostatic System 31
STOPPING THE ENGINE 31
ATTACHMENT AND BUCKETS 32
Installation And Removal 33
OPERATING PROCEDURES 34
Filling The Bucket 35
Emptying The Bucket 35
Digging Into The Ground 36
Leveling The Ground (Using Lift Arms In Float Position) 37
Backfilling 37
PARKING THE BOBCAT LOADER 38
TRANSPORTING THE BOBCAT LOADER 38
LIFTING THE LOADER 39
TOWING THE LOADER 39
PREVENTIVE MAINTENANCE 41
MAINTENANCE SAFETY 42
SERVICE SCHEDULE 43
LIFT ARM SUPPORT DEVICE 44
To Engage Lift Arm Support Device 44
To Disengage Lift Arm Support Device 44
OPERATOR CAB 45
Raising the Operator Cab 45
Lowering the Operator Cab 46
SEAT BAR SYSTEM 46
Sear Bar Inspection 46
Seat Bar Maintenance 46
REAR DOOR 47
Adjustment 47
REAR GRILL 48
AIR CLEANER SERVICE 49
FUEL SYSTEM 51
Fuel Specifications 51
Filling the Fuel Tank 51
Fuel Filter 51
Removing Air From the Fuel System 52
ENGINE LUBRICATION SYSTEM 53
Replacing Oil and Filter 53
COOLING SYSTEM 55
Checking the Coolant Level 55
Cleaning the Cooling System 55
Removing Coolant from the Cooling System 55
ALTERNATOR BELT ADJUSTMENT 57
ELECTRICAL SYSTEM 58
Description 58
Electrical System Service 58
Using A Booster Battery (Jump Starting) 58
Battery Removal and Installation 59
HYDRAULIC/HYDROSTATIC SYSTEM 60
Checking and Adding Fluid 60
Replacement of the Hydraulic/Hydrostatic Filter Element 61
Removing the Hydraulic Fluid 61
SPARK ARRESTOR MUFFLER 62
TIRE MAINTENANCE 63
Wheel Nuts 63
Tire Rotation 63
Tire Inflation 63
FINAL DRIVE TRANSMISSION (CHAINCASE) 64
Checking and Adding Oil 64
LUBRICATION OF THE BOBCAT LOADER 65
BOB–TACH 67
PARKING BRAKE PEDAL 67
Adjustment 67
PIVOT PINS 67
AUXILIARY CONTROL LOCKBOLT 68
U–JOINTS LUBRICATION 68
TROUBLESHOOTING 69
TROUBLESHOOTING THE ENGINE 71
TROUBLESHOOTING THE DRIVE SYSTEM 72
TROUBLESHOOTING THE HYDRAULIC SYSTEM 73
MACHINE SIGNS TRANSLATIONS 75
WARNING – 6579511 77
SERVICE SCHEDULE – 6567875 78
WARNING – 6579510 80
WARNING – 6579628 81
WARNING – 6577754 81
DANGER – 6579639 81
DANGER – 6579509 81
IMPORTANT – 6560573 82
SPECIFICATIONS 83
LOADER DIMENSIONS 85
OPERATIONS & PERFORMANCE 85
ENGINE 85
HYDRAULIC SYSTEM 86
ELECTRICAL 86
DRIVE SYSTEM 86
CAPACITIES 86
TIRES 86
WARRANTY 87

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