Case 680CK Series C Loader Backhoe Operators Owner Instruction Manual - IMPROVED -

This symbol means A TTENT/ON! BECOME ALERT! YOUR .& SAFETY IS INVOLVED. The message that follows tqe symbol , contains important information about your safety. Carefully read • the message. Make sure you fully understand the causes of possible injury or death. 58001 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

AFTER DELIVERY CHECKUP Owner's Name Date Checkup Performed Owner's Address City state Dealership City state Tractor has been operated ____ hours. Serial No. ____ _ -COOLING SYSTEM- D Check radiator coolant level. D Check hose connections. -FUEL SYSTEM- D Drain water and sediment from fuel filter and tank. D Check fuel line connections. -ELECTRICAL SYSTEM- D Check battery specific gravity and electrolyte level. D Check alternator belt tension. D Check operation of starter, alternator and instrUments. -LUBRICATION- D Grease all pressure fittings. D Drain engine oil and refill. D Change engine oil filter. D Check the Power Shuttle and synchromesh transmission oil levels. D Check rear axle oil level. -ENGINE- D Torque cylinder head bolts. D Check engine valve tappet clearance. D Check no load full governed engine speed and low idle speed. -HYDRAULIC SYSTEM- D Check hydraulic oil level. D Check suction line strainer and clean. D Check main relief valve pressure on loader and backhoe. D Check steering operation. -GENERAL- D Check foot and parking brake adjustments. D Clean and check air cleaner. DInspect for oil leaks. D Tighten all accessible bolts. D Clean all breathers. DCheck wheel bearings and toe-in adjustment. DEALER: Question purchaser carefully concerning his experience with the tractor and answer any questions concerning maintenance or operation that are not clear to him. Checkup Performed by _______ _ Dealer's Signature _________ _ ORIGINAL - Dealer Owner's Signature _________ _

AFTER DELIVERY CHECKUP Owner's Name Date Checkup Performed Owner's Address City state Dealership City state Tractor has been operated _----, __ hours. Serial No. ____ _ -COOLING SYSTEM- D Check radiator coolant level. DCheck hose connections. -FUEL SYSTEM- D Drain water and sediment from fuel filter and tank. D Check fuel line connections. -ELECTRICAL SYSTEM- D Check battery specific gravity and electrolyte level. D Check alternator belt tension. D Check operation of starter, alternator and instruments. -LUBRICATION- D Grease all pressure fittings; D Drain engine oil and refill. D Change engine oil filter. D Check the Power Shuttle and synchromesh transmission oil levels. D Check rear axle oil level. -ENGINE- D Torque cylinder head bolts. D Check engine valve tappet clearance. D Check no load full governed engine speed and low idle speed. -HYDRAULIC SYSTEM- D Check hydraulic oil level. D Check suction line strainer and clean. D Check main relief valve pressure on loader and backhoe. D Check steering operation. -GENERAL- D Check foot and parking brake adjustments. D Clean and check air cleaner. DInspect for oil leaks. D Tighten all accessible bolts. D Clean all breathers. D Check wheel bearings and toe-in adjustment. DEALER: Question purchaser carefully concerning his experience with the tractor and answer any questions concerning maintenance or operation that are not clear to him. DUPLICATE - Purchaser Checkup Performed by _______ _ Dealer's Signature _________ _ Owner's Signature _________ _ iii

TABLE OF CONTENTS Safety Precautions •.•.•..•• Serial Nwnber Locations Specifications General Specifications - Loader • . Specifications - Backhoe Operating Instructions Run- In Procedure Indicators and Controls Backhoe Removal •. Backhoe Instaliation Rear Counterweight Operating the Engine Driving the Machine Towing ••••• Operating Tips Return-To-Dig. 2,3 4-6 8-10 11-14 15-17 18-43 ••• 18 20-33 • • 34-36 36,37 .••• • 37 ...• • 43 43 43 • 44-61 •••• 44 Standard Bucket . • • • . • • • • • . 44-47 4-in-1 Bucket • 47-52 ·Backhoe • . . • • . • • • . • • • • • • 52-59 Hydra-Guide . . • . • . • . . • .. 55 Earth Swell Percentage ...•.• .... 60 Weights of Common Materials .•.••. • . • . • • . . • . 60 Fuels and Lubricants 62-64 Fuel ........ . . . . . . . . . . 64 Lubricants and Fluids • . . • • . . . 64 Maintenance/Lubrication . . • • . 65-113 Maintenance Chart • . 66,67 Lubrication Fittings . • • • . 68-71 Engine Oil and Filter 71-73 Fuel System ...•.•••••• 73-76 Air Intake and Filter System ...•• • • • • • 77-80 Cooling System. • . • • • • • 80-84 Electrical System. • . • • . 85-96 Wiring Diagrams 92-95 Braking System . . • • • • • • • • • • 97-103 Hydraulic System 104-107 Front Wheel Bearings • • • • • • • • •• 108,109 Power Shuttle Transmission/Torque Converter 109,110 Synchromesh Transmission ••• 110,111 Rear Axle/Planetary. • • • • • • 111,112 Fan and Alternator Drive Belts .113 iv

TO CASE LOADER/BACKHOE OWNERS The care you give your new Case Loader-Backhoe will greatly determine the satisfaction and service life you will obtain from it. Use this manual as your guide. By observing the instructions and suggestions in this manual, your Case Loader-Backhoe will serve you well for many years. As an Authorized Case Dealer, we stock Genuine Case Parts, which are manufacturered with the same precision and skill as the original equipment. Our factory trained staff is kept well informed on the best methods of servicing Case equipment and is ready and able to help you. Should you require additional aid or information, contact us. To insure efficient and prompt service, please furnish us with the Model and Serial Numbers of your Machine in all correspondence or contacts. NOTE: CASE CORPORATION reserves the right to change specifications without notice and without incurring any obligation relating to such change. A Look for this symbol to point out important safety precautions. It means - ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED I

A SAFETY PRECAUTIONS A DON'T TAKE CHANCES - use this manual to thoroughly familiarize yourself with your machine. The safety precautions listed below are for your protection - BE SAFETY CONSCIOUS. Loader 1. Keep the bucket as close to ground level as possible when transporting loads. 2. Operate the loader from the OPERATOR'S SEAT ONLY. 3. Be extra careful when working on banks or hillsides. 4. Keep the loader in a lower gear and the clutch cut-off in the disengaged 'Position, when going down steep grades. 5. Always operate at a safe speed, especially on rough terrain. 6. Always lOwer the loader to the ground or block it securely before performing any service operation or when leaving the machine unattended. 7. Keep the brake pedals locked together and the clutch cut-off in the disengaged position when roading the machine. 8. Carry a fire extinguisher and first aid kit at all times, and know how to use them. NO~ A set of lift cylinder safety stops can be fabricated from channel stock. Use the dimensions shown in Figure 1. [ J MAKE TlNO .1 1-.---- 32" ----+I I ,s"r j FlI t 680996 3" K- - _n -- - -1/2" Figure 1 2

Backhoe 1. Clear all bystanders before operating the backhoe. 2. Only allow qualified operators on the machine. 3. Before operating the backhoe, lower the stabilizers sufficiently to raise the rear wheels and level the machine. 4. Operate the backhoe from the OPERATOR'S SEAT ONLY. 5. Watch for overhead wires; never touch wires with any part of the backhoe. 6. When operating on a slope, avoid swinging to the downhill side. 7. Be thoroughly familiar with the location of underground gas lines, cables, mains, etc. 8. 1)0 NOT dig under the stabilizer. Soft ground or sand might cave in. 9. Never leave the backhoe seat with the bucket off the ground and the engine running. 10. Always prepare the backhoe for transport as described on page 59. Figure 2 - Loader/Backhoe 3

Figure 3 - Loader/Backhoe GENERAL To avoid confusion when following instructions in this manual, the use of terms "right hand" and "left hand" must be under- stood. "Right hand" and "left hand" indicate the right and left sides of the machine as viewed from the operator's seat. SER~LNUMBERLOCAT~NS When ordering parts from your Authorized Case Dealer and in all contacts or correspondence relative to your machine always specify the Model and Serial Numbers of the machine and its major components. Figure 4 Figure 5 4

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Case 680CK Series C Loader Backhoe Operators Owner Instruction Manual - IMPROVED -

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