Bobcat Operator s Manual 742 Operator s Manual THIS IS A MANUAL PRODUCED BY JENSALES INC. WITHOUT THE AUTHORIZATION OF BOBCAT OR IT S SUCCESSORS. BOBCAT AND IT S SUCCESSORS ARE NOT RESPONSIBLE FOR THE QUALITY OR ACCURACY OF THIS MANUAL. TRADE MARKS AND TRADE NAMES CONTAINED AND USED HEREIN ARE THOSE OF OTHERS, AND ARE USED HERE IN A DESCRIPTIVE SENSE TO REFER TO THE PRODUCTS OF OTHERS. BC-O-742
FOREWORD This was written to give the owner/operator instructions on the safe operation and maintenance of the Bobcat loader. READ AND UNDERSTAND THIS OPERATOR'S MANUAL BEFORE OPERATING YOUR LOADER. If you have any questions, see your dealer. CONTENTS SAFETY INSTRUCTIONS... i FIRE PREVENTION... ii SERIAL NUMBER LOCATIONS... iii DELIVERY REPORT... iii BOBCAT LOADER IDENTIFICATION... iv OPERATING INSTRUCTIONS... 1 PREVENTIVE MAINTENANCE... 17 TROUBLESHOOTING... 43 SAFETY SiGNS... 47 SPECIFICATIONS... 53 OPERATING INSTRUCTIONS PREVENTIVE MAINTENANCE TROUBLE SHOOTING SAFETY SIGNS REFERENCE INFORMATION Write the correct information for YOUR loader in the spaces below. Always use these numbers when referring to your Bobcat loader. SPECIFICA nons Loader Model.... Loader Serial Number.... Engine Serial Number.... NOTES: YOUR LOADER DEALER:, ADDRESS: PHONE: ----------------, "742 Bobcat Loader
v. BOBCAT LOADER IDENTIFICATION GRAB HANDLES FRONT LIGHTS 0::::::::::::---_ STEERING LEVERS ffi;:~~~ ~ ~PERATOR SEAT SEAT BELT TILT CYLINDER---::=~4..,~=::!::;~~-,-_ AUXILIARY HYDRAULIC LINES BUCKET STEPS OPERATOR CAB...----- (ROPS & FOPS) GRILL / '\ LIFT ARM LIFT CYLINDER REAR DOOR TIRES * * TIRES - Flotation tires are shown. The Bobcat loader is base-equipped with standard tires. t BUCKET - Several different buckets and other attachments are available for the Bobcat loader. RaPS, FOPS - Roll-Over Protective Structure, Falling Object Protective Structure, per SAE J1040 and SAE J1043. The Bobcat loader is base-equipped with a standard operator cab as shown. -742 Bobcat Loader iv 8-7377 C-2886
OPERATING INSTRUCTIONS ATTACHMENTS & BUCKETS... 10 Installation and Removal... 11 OPERATING INSTRUCTIONS CONTROLS... 1 DAILY INSPECTION... 5 GETTING ON AND OFF THE LOADER... 6 GETTING READY FOR OPERATION... 6 HYDRAULIC CONTROLS... 4 Auxiliary Lever Operation... 4 Foot Pedals... 4 Lift Arm Operation... 4 Tilt Operation (Bucket)... 4 INSTRUMENT PANEL... 1 LIFTING THE LOADER... 16 OPERATING PROCEDURES... 12 Backfilling... 14 Empting the Bucket... 13 Digging Into the Ground... 13 Filling the Bucket... 13 Leveling the Ground... 14 PARKING BRAKE... 2 PARKING THE BOBCAT LOADER... 16 STARTING THE ENGINE... 8 Cold Starting Condition... 9 Normal Starting Condition... 8 STEERING LEVERS... 3 CHOKE CONTROL... 1 THROTTLE CONTROL... 1 TOWING THE LOADER... 16 TRANSPORTING THE LOADER... 15.. 742 Bobcat Loader
ATTACHMENTS AND BUCKETS (Cont'd) Installation and Removal The loader is equipped with the Bob-iach system. The Bob.:rach is used for fast changing of buckets and attachments. See the Installation Instructions to install other attachments. A WARNING Bob-iach levers have spring tension. Hold lever tightly and release slowly. Failure to obey warning can cause injury. W-2054-1285 Pull the Bob-iach levers all the way up. Tilt the Bob-Tach forward. Drive the loader forward until the top edge of the Bob-Tach is completely under the flange of the bucket ~. DO NOT hit the Bob-Tach levers on the bucket. Tilt the Bob-iach backward until the bucket is off the ground and stop the engine OOJ.. A WARNING AVOID INJURY OR DEATH Before you leave the operator's seat: Lower the lift arms, put attachment flat on the ground. Stop the engine. Engage the parking brake. Raise seat bar, move pedals until both lock. W-2045-1086 c PI-2591 8-3850 To lock the Bob-iach wedges push down on the levers as shown [g. 8-3852 8-7018 A WARNING Bob.:rach wedges must extend through the holes in attachment. Levers must be fully down and locked. Failure to secure wedges can allow attachment to come off and cause injury or death. W-2102-0588 The wedges must extend through the holes (Item 2) in the attachment [Q]. 8-3893 -11-742 Bobcat Loader
PREVENTIVE MAINTENANCE AIR CLEANER SERVICE... 23 ALTERNATOR BELT ADJUSTMENT... 29 AUXILIARY LOCKBOLT (OPTIONAL)... 41 BOB-TACH FRAME... 40 BRAKE PEDAL ADJUSTMENT... 41 COOLANT SYSTEM... 26 Coolant Level... 26 Cleaning... 26 Checking the Cooling System... 26 Coolant Replacement... 27 ELECTRICAL SYSTEM... 30 Electrical System Service... 30 Replacing the Battery... 31 Using an Extra Battery (Jump Starting)... 31 ENGINE LUBRICATION SYSTEM... 27 Checking Engine Oil... 25 Engine Oil and Filter Replacement... 25 ENGINE WIRING DIAGRAM... 33 FINAL DRIVE TRANSMISSION (CHAINCASE)... 38 FUEL SYSTEM... 24 Fuel Filter... 24 Fuel System Service... 24 GOVERNOR... 28 Governor Adjustment... 28 Governor Belt Adjustment... 28 Governor Oil Level... 28 LIFT ARM STOP... 18 LUBRICATING THE BOBCAT LOADER... 39 HYDRAULIC/HYDROSTATIC FLOW CHART... 35 HYDRAULIC/HYDROSTATIC SYSTEM... 36 Checking and Adding Fluid... 36 Removing the Hydraulic Fluid... 37 Replacement of the Hydraulic Filter... 37 OPERATOR CAB WIRING DIAGRAM... 32 OPERATOR CAB... 19 Lowering the Operator Cab... 20 Raising the Operator Cab... 19 PIVOT PINS... 40 REAR DOOR... 22 Adjusting the Rear Door Latch... 22 SEAT BAR SYSTEM... 21 Seat Bar Inspection... 21 Seat Bar Maintenance... 21 SERVICE SCHEDULE... 17 SPARK ARRESTOR MUFFLER... 34 TIRE MAINTENANCE... 38 Tire Installation on Rim... 38 Tire Pressure... 38 Tire Rotation... 38 Wheel Nuts... 38 PREVENTIVE MAINTENANCE 742 Bobcat loader
ENGINE LUBRICATION SYSTEM Checking Engine Oil Check the oil level every day. Stop the engine and remove the dipstick ~. Keep the oil level between the marks on the dipstick. Use a good quality motor oil that meets API Service Classification of SE or SF (See Oil Chart). RECOMMENDED SAE VISCOSITY NUMBER (LUBRICATION OILS for ENGINE CRANKCASE) Co 34-29 -23-18 -13-7 -1 +4 +10 +15 +21 +2'1 +32 +38.. SAE 10W-30/40 ~ SAE 15W-40 Y.<II SAE 5W-30... J>. SAE 30 y J>. IZ! ill SAE 20W/20 y A... SAE 10W 1W.@ll &ill fo -30-20 -10 0 +10 +20 +30 +40 +50+60 +70 +80 +90 +100 TEMPERATURE RANGE ANTICIPATED BEfORE NEXT OIL CHANGE (GASOLINE: USE API CLASSIFICATION SE or SF) Engine Oil and Filter Replacement See the Service Schedule (Page 17) for the service interval for replacing the engine oil. {J Use the following procedure to replace the engine oil and filter: 1. Run the engine until it is at operating temperature. Stop the engine. 2. Open the rear door. 3. Remove the drain plug and drain oil into a container 00. 4. Remove the oil filter [g. 5. Clean the filter housing surface. Put clean oil on the gasket of the new filter. Install the filter and tighten hand tight. 6. Install the oil plug. Remove the filler cap on the rocker arm cover. Put 4 quarts (4 l) of oil in the engine (See the Oil Chart). 7. Start the engine and let it run for about 5 minutes. Stop the engine. Check for leaks and check the oil level. Add oil as needed if it is not at the top mark on the dipstick. A WARNING Always clean up spilled fuel or oil. Keep heat, flames, sparks and lighted tobacco away from fuel and oil. Failure to use care around combustibles can cause explosion or fire which can result in injury or death. W-2103-1285 -25-742 Bobcat Loader
TROUBLESHOOTING TROUBLESHOOTING THE DRIVE SYSTEM... 44 TROUBLESHOOTING THE ENGINE... 43 TROUBLESHOOTING THE HYDRAULIC SYSTEM... 45 TROUBLE SHOOTING -- -.- 742 Bobcat Loader
SAFETY SiGNS DANGER 6575694... 52 IMPORTANT... 52 SERVICE SCHEDULE... 48 WARNING 6565854... 51 WARNING 6565855... 50 WARNING 6565980... 47 SAFETY SIGNS SAFETY SIGNS (Decals) Safety signs (decals) are an essential part of the loader (See Pages v & vi). This section provides French, German and Spanish translations of the safety signs that are in English. The Operator's Handbook (See Page 6) is also available in a combination English, French, German and Spanish edition. 742 Bobcat Loader
SPECIFICATIONS CAPACITIES... 54 DRIVE SYSTEM.. "... ". " ".. ". "... "... 54 ELECTRICAL". '.". "... "... 54 ENGINE SPECiFiCATIONS.. "... "."... 53 HYDRAULIC SySTEM".. "... ".. "... "... 54 OPERATION & PERFORMANCE... "... "... "... ". 53 TIRES... 54 SPECIFICATIONS -... '". 742 Bobcat Loader
LOADER SPECIFICATIONS (Cont'd) HYDRAULIC SYSTEM Pump... _.... Pump Capacity... _.... System Relief Pressure.... Filter... _.... Hydraulic Cylinders.... Bore Diameter Lift Cylinder (2).... Tilt Cylinder (1).... Rod Diameter Lift Cylinder (2).... Tilt Cylinder (1).... Stroke Lift Cylinder (2).... Tilt Cylinder (1).... Control Valve.... Fluid Lines... _ Hydraulic Function Time Raise Lift Arms to Maximum Height.... Lower Lift Arms from Maximum Height.... Move Bucket to Dump Position.... Move Bucket to Retracted Position.... Hydraulic Fluid Type.... ELECTRICAL Alternator........ _.... Battery.... Starter.... DRIVE SYSTEM Transmission.... Final Drive.... CAPACITIES Cooling System... _.... Fuel.... Engine Lubrication W/Filter.... Hydraulic/Hydrostatic System.... Chaincase Reservoir.... TIRES Standard. Pressure.... Flotation.... Pressure.... Engine driven, vane type 11.0 GPM (42 limin.) @ 2850 RPM 2125 PSI (14652 kpa) Replaceable #3 micron paper element in charge line Doubleacting 2.00 (51) 3.25 (83) 1.25 (32) 1.50 (32) 25.00 (635) 14.5 (368) 4-spool, open center type W/float on lift, detent on auxiliary SAE standard tubes, hose & fittings 3.5 Seconds 2.7 Seconds 2.7 Seconds 2.3 Seconds Bobcat Fluid (PIN 6563328). If fluid is not available, use 10W-30!10W-40 Class SE Motor Oil for temp. above OaF (-18 C) & 5W-30 for temp. below OaF (-18 C) Belt driven, 55 amps, open 12 volt, 435 cold crank amps. @ OaF (-17,8 C) 125 min. reserve capacity 12 volt Tandem hydro. pumps driving 2 fully reversing hydro. motors Gear reduction & #80 HS roller chain & sprockets in sealed chain case with oil lubrication 11 qts. (10.4 L) 13 gals. (49 L) 4 qts. (3,8 L) 6 gals. (23 L) (Includes 3.5 gals. (13,2 L) in reservoir) 32 qts. (30,3 L) 7:00 x 15, 6 ply rating 45-50 PSI (310-345 kpa) 10 x 16.5, 6 ply rating 30-35 PSI (207-241 kpa) -54- -7.42 Bobcat Loader