Case 680K Loader Backhoe Operators Owner Instruction Manual - IMPROVED -

This symbol means A TTENTION! BECOME ALERt! YOUR Lh SAFETY IS INVOLVED. The message that follows tl]e symbol , contains important information about your safety. Carefully read • the message. Make sure you fully understand the causes of possible injury or death. S8001 IF THIS MACHINE IS USED BY AN EMPLOYEE, IS LOANED', OR IS RENTED, MAKE SURE THAT THE OPERATOR UNDERSTANDS THE TWO INSTRUCTIONS BELOW. BEFORE THE OPERATOR STARTS THE ENGINE: 1. GIVE INSTRUCTIONS TO THE OPERATOR ON SAFE AND CORRECT USE OF THE MACHINE. 2. MAKE SURE THE OPERATOR READS AND UNDERSTANDS THE OPERATOR'S MANUAL FOR THIS MACHINE. A WARNING IMPROPER OPERATION OFTHIS MACHINE CAN CAUSE INJURY OR DEATH. BEFORE STARTING THE ENGINE, DO THE FOLLOWING: 1. READ THE OPERATOR'S MANUAL. 2. READ ALL SAFETY DECALS ON THE MACHINE. 3. CLEAR THE AREA OF OTHER PERSONS. LEARN AND PRACTICE SAFE USE OF MACHINE CONTROLS IN A SAFE, CLEAR AREA BEFORE YOU OPERATE THIS MACHINE ON A JOB SITE. It is your responsibility to observe pertinent laws and regulations and to follow manufacturer's instructions on machine operation and maintenance. See your Authorized Case dealer for additional operator's manuals, parts cat- alogs, and service manuals. © 1995 Case Corporation CASE and IH are registered trade marks of Case Corporation

TABLE OF CONTENTS Introduction ...................... 2 To The Owner ••••••••••••••••••• 2 Delivery of the New Machine •.•.••••• 2 After Delivery Check ..••.•.•••.•••• 3 Right, Left, Front, and Rear Sides of Machine ••.••••.••.•.•.•...• 3 Identification of Machine Components ••.•••••••.•••••••• 4 Safety ........................... 5 Safety Decals .••.•••••••.•.•.••.• 6 Personal •••••..••.•••.•.•.•..•. 10 Before Starting the Engine .••••••.. 11 Starting the Engine ••••••••••••••• 12 Machine Operation ••...•.•••.•..• 12 Loader Operation •.••.••••.•.•••• 15 Backhoe Operation ••.•••••••••..• 16 Parking the Machine •••••••.•••.•• 19 Maintenance ••.•.•.••.••••••.••. 20 Controls and Instruments . ........... 26 Instrument Panel •••••.••••••.••• 32 Machine Controls ••••••.•.••••••• 34 Loader Lift Arm and Bucket Control •••••••••.•••••• 39 4-ln-1 Bucket Clam Control .••••..• 40 Backhoe Controls with Foot Swing ••• 41 Backhoe Controls with Hand Swing •• 42 Extendahoe Control with Foot Swing ••••..••••••.•••••• 43 Extendahoe Control with Hand Swi ng •••••••••••.•.•••• 44 Operators Seats ••••••••••••••••• 45 Cab Controls •••••••••.••••••.•• 47 Cab Control Settings and Air Flow •.• 49 Operators Seat Belts ••••••••••.••• 53 Engine Operation •••••.•••••••••• 55 Walk-Around Inspection .•.•••.•• 55 Starting the Engine •••.••••••••. 55 Engine Speed ••.••••.•.•.••••• 56 Parking the Machine and Stopping the Engine •..•.••••••••••••• 56 Methods to Help Start Engine During Cold Weather .••••.•.•• 57 Machine Operation ••••••.••.•••.• 62 Adjusting the Seat •••••..•••...• 62 Starting .••..•••.••.•...•••••• 62 Shifting Transmission ••••••••••• 63 Operating on a Hill •••••.••.•.•• 63 Moving a Disabled Machine •••.••• 64 Transporting Machine on a Trailer ••.•••.•••.•••.•••.. 66 Operating in Cold Weather .•.•••• 68 Operating in Hot Weather •.•••••• 68 Loaeer Operation •••••.•••.••.••• 69 Safety When You Work .•.••.•.•• 69 Bucket Level Indicator ••••••••••• 69 Return-To-Dig ..••.••.•.••.•..• 70 4-ln-1 Bucket •.••••••••••.•••• 70 Clutch Cutout ••••••.••••.•.••• 71 Loose Material ••••••••.••••••• 72 Preparation for the Job .••••••••• 72 1 Filling the Bucket •••••••••••.•• 73 Backhoe Operation •••••••.••••••• 76 Safety When You Work •••••••••• 76 Stabilizer Pads ..••••.•..•.•••. 76 Backhoe Bucket Digging Positions •.•.••••..•..•••••• 77 Before You Dig with the Backhoe •• 78 Moving the Backhoe Out of Transport Position •••••••••••• 79 Digging with the Backhoe .••••••• 80 Procedure to Move the Machine Forward When Trenching ..•.••. 85 Putting the Backhoe in the Transport Position ••••..•••••• 86 Lifting with the Backhoe ••••••.•• 87 Digging Next to a Fence ••••••••.•• 89 Maintenance and Lubrication ......... 90 Support Strut for Loader Lift Arms ••. 91 Fluids and Lubricants Chart ••••.••• 92 Engine Oil Recommendation •••••• 93 Axle Oil Recommendations .•.••.• 93 Systemgard Lubricant Analysis Service •••..•••••••.••••••••• 95 Run-In Period ••••••••.•••••••••• 96 Run-In Maintenance Schedule •••••• 96 Maintenance Schedule ••••••.••••• 97 Grease Fitting •••••••••••••••.•• 100 Engine Lubrication System •••••••• 105 Engine Cooling System •••••••••• 107 Air Cleaning System ••••••••••••. 109 Engine Fuel System •••.••••••.•• 112 Batteries •••••••.•••••••••••••. 115 Instrument Lamps and Warning Lamps ••.••••••••.••••.•.••• 116 Hydraulic System ••••••••••••••• 117 Transmission Hydraulic System •••• 121 Rear Axle •••.••••••••••.•••••• 123 Brake System •••••••••.•••••••. 125 Replacing the Starting Fluid Container .•••••••••.•••••••. 128 Wheels and Tires .••••••••••..•• 129 Front Wheel Bearings ..•.•.•••••. 131 Spark Arrester Muffler •.••..•.••• 133 Loader Return-To-Dig Adjustment •. 134 Air Compressor Drive Belt ••.•..•• 135 Air Conditioner Drive Belt ••••••••• 136 Cab Service ••.•.•..•••...•••.. 137 Machine Storage ..•••••...•.••• 141 Seat Belts • • • • • • • • . . • . • • • • • • . • . 142 Decals ••••.•••••••••.•••.•••. 143 Roll-Over Protective Structure (ROPS) ••.•••••••.•••••••••• 147 Specifications ................... 192 Product Identification and ;~, .. Serial Numbers . .............. >I •• 16.2 Index •••••••..••...••..••.••• 164 After Delivery Check .............. 167

INTRODUCTION TO THE OWNER Read this manual carefully before you operate the machine. If you do not completely understand the operation or maintenance of this machine, see your Case dealer. 855538 If you need more information, call us. DELIVERY OF THE NEW MACHINE When you get your new machine from your Case dealer, you will be instructed about correct operation and maintenance as shown in the Owner Warranty Registration form. When your Case dealer has given you these instructions, write your name on the report. Then, he will give you a copy for your records. See page 162 and make a record of the Product Identification Num- ber (PIN) and the serial number of your machine. The J I Case Company can make changes in design or specifications of the machine at any time with no obligation for these changes. 2

INTRODUCTION ______________ _ AFTER DELIVERY CHECK Two copies of the After Delivery Check are in the back of this manual. One copy is for you and one copy is for the dealer. Make sure that your Case dealer does the After De- livery Check after the first 20 hours of machine operation. NOTE: Your cost for this inspection will be for filters, oil or other accessories. If the dealer comes to your machine, there can also be a cost for the time and distance. RIGHT, LEFT, FRONT, AND REAR SIDES OF THE MACHINE Right and left hand, when used in this manual, indicate the right and left sides of the machine as seen from the operators seat. Operator and seat in BACKHOE position. 1. Left Hand Side 3. Right Hand Side 2. Front Operator and seat in LOADER position. 1. Front 3. Right Hand Side 2. Rear 3 4. Left Hand Side

INTRODUCTION --------------- IDENTIFICATION OF MACHINE COMPONENTS FUEL DIPPER BOOM STABILIZER 4 CAB ~~~J~~~kTICK CAP AIR RESERVOIR WATER DRAIN COOLANT RESERVOIR BATTERIES

SAFETY The information in this manual does not replace any safety rules and laws used in your area. Before you operate this machine, learn the rules and laws for your area and make sure your machine has the correct equipment according to these rules and laws. You r safety and the safety of other persons in the work area are the result of your correct operation of this machine. 1. Know the location and function of all machine controls. 2. Clear the area of other persons before you start the engine. 3. Check all controls in a safe, clear area before you operate the machine on a job site. 4. Understand the limits of the machine. 5. Do not try to do too much too fast. 6. Keep the machine under control at all times. ----.--r------_ =- Manual Storage Box 5 742672A READ THIS MANUAL COM- PLETELY and make sure you understand the contents. Make sure you understand, for example, the char- acteristics of speed, stability, brakes and steering, of this machine. If you have any questions, see your Case dealer.

SAFETY SAFETY DECALS WARNING: Damaged, missing, or dirty safety decals can cause h injury or death. Replace any missing or damaged safety decals and .. keep all safety decals clean. See your Case dealer for new safety decals. 84·170 All safety decals on this machine are included on this page and the next three pages. Some of these safety decals are included in the copy of the manual. See page 143 for the location and maintenance of the decals. CAUTION: Stop engine before dismounting. Operate tractor and equipment controls from seat position only. Lower or block elevated components and engage hand brake before leaving machine. Lock brake pedals together for road travel. Check local laws before operating on highway. Do not permit riders on machine. Warn all personnel who may be servicing or in path of machine before starting. 321-3022 h CAUTION: Operate backhoe from seat position only . .. For transport, use overcenter position with bucket straight to rear. 321·3056 A WARNING: Fasten seat belt. 321·3060 h WARNING: Rotating fan and belts. Contact can injure. Keep clear. .. 321-3596 6

SAFETY WARNING: Before starting engine, study operator's manual safety messages. Read all safety signs on machine. Clear the area of other persons. Learn and practice safe use of controls before operating. It is your responsibility to understand and follow manufacturer's instructions on machine operation, service, and to observe pertinent laws and regulations. Operators and service manuals may be obtained from your equipment dealer. 321-3705 WARNING: Keep clear of this area. Swinging boom can crush. A Operate backhoe from operator's seat only . .. Any other method could result in injury to operator or bystanders. 321-4481 WARNING: Do not remove engine side panels except for servicing. To insure proper engine cooling and/or prevent injury resulting from contact with rotating parts, reinstall before starting engine. 321-5701 WARNING: If you use the backhoe to lift a load that is too heavy, the machine can turn over or the load can fall out of control. A Before you lift objects with the backhoe, see the operator's manual .. topic "Lifting With the Backhoe". If you do not follow these instructions, severe injury can occur to you or other persons in the area. 321-6046 A WARNING: Block wheels before deactivating brakes. 321-6328 7

SAFETY WARNING: If you service the machine with the loader lift arms raised, always use the support strut. 1. Empty the loader bucket, raise the loader lift arms to maximum height and stop the engine. 2. Remove the rear pin from the support strut and lower the support strut onto the cylinder rod. 3. Install the rear pin in the support strut. 4. Slowly lower the lift arms onto the support strut. If you do not follow this procedure, you can cause serious injury or death if the loader arms are lowered by accident. 321-6413 WARNING: Pressurized hydraulic system. Before you replace the hydraulic filter Is or service the hydraulic system, slowly loosen the hydraulic reservoir fill cap to relieve the air pressure. If you do not follow these instructions, you can be injured. 321-6666 WARNING: If you service the machine with the loader lift arms raised, always use the support strut. Failure to follow this procedure can cause serious injury or death of the loader lift arms are lowered by accident. 321-6671 WARNING: Check and service cooling system according to maintenance instructions. h. Hot coolant can spray out if radiator cap is removed. .. To remove radiator cap, let system cool, turn to first notch, then wait until all pressure is released_ Scalding can result from fast removal of radiator cap. 321-6672 WARNING: Batteries contain acid and explosive gas_ Explosion can result from sparks, flames or wrong cable connections. To h. connect jumper cables or charger, see manual(s) for the correct .. procedure. Failure to follow the above instructions can cause serious personal injury or death. 321-6714 8

Case 680K Loader Backhoe Operators Owner Instruction Manual - IMPROVED -

You're Reading a Preview

Recently Viewed