Bobcat 425, 428 Compact Excavator Operation & Maintenance Manual 6986951 – PDF DOWNLOAD
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Bobcat 425, 428 Compact Excavator Operation & Maintenance Manual 6986951 – PDF DOWNLOAD
Language : English
Pages : 178
Downloadable : Yes
File Type : PDF
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Bobcat 425, 428 Compact Excavator Operation & Maintenance Manual 6986951 – PDF DOWNLOAD
This Operation & Maintenance Manual was written to give the owner/operator instructions on the safe operation and maintenance of the Bobcat Excavator. READ AND UNDERSTAND THIS OPERATION & MAINTENANCE MANUAL BEFORE OPERATING YOUR MACHINE. If you have any questions, see your Bobcat dealer.
TABLE OF CONTENTS:
Bobcat 425, 428 Compact Excavator Operation & Maintenance Manual 6986951 – PDF DOWNLOAD
OPERATOR SAFETY WARNING..................................................... 3 CONTENTS.................................................................... 5 FOREWORD.................................................................... 7 BOBCAT COMPANY IS IS0 9001 CERTIFIED.................................... 9 REGULAR MAINTENANCE ITEMS............................................... 9 SERIAL NUMBER LOCATIONS................................................. 11 Excavator Serial Number............................................. 11 Engine Serial Number................................................ 11 DELIVERY REPORT......................................................... 11 EXCAVATOR IDENTIFICATION................................................ 12 FEATURES, ACCESSORIES AND ATTACHMENTS................................... 13 Standard Items...................................................... 13 Options and Accessories............................................. 13 Attachments......................................................... 13 Buckets Available................................................... 13 Falling Object Guards (FOGS)........................................ 14 Special Applications Kit............................................ 14 Special Applications Kit Inspection And Maintenance................. 14 SAFETY & TRAINING RESOURCES................................................. 15 SAFETY INSTRUCTIONS..................................................... 17 Before Operation.................................................... 17 Safe Operation Is The Operator’s Responsibility..................... 18 Safe Operation Needs A Qualified Operator........................... 18 Avoid Silica Dust................................................... 19 FIRE PREVENTION......................................................... 19 Maintenance......................................................... 19 Operation........................................................... 19 Electrical.......................................................... 19 Hydraulic System.................................................... 20 Fueling............................................................. 20 Starting............................................................ 20 Spark Arrestor Exhaust System....................................... 20 Welding And Grinding................................................ 20 Fire Extinguishers.................................................. 20 MACHINE SIGNS (DECALS).................................................. 21 PUBLICATIONS AND TRAINING RESOURCES..................................... 23 OPERATING INSTRUCTIONS...................................................... 25 INSTRUMENTS AND CONSOLES................................................ 29 Cab Interior Light (If Equipped).................................... 29 Left Console........................................................ 29 Right Console....................................................... 30 Function Icons...................................................... 31 STD / ISO Selector Valve............................................ 32 Upperstructure Slew Lock............................................ 32 Raising And Lowering The Console.................................... 32 Two-Speed Travel.................................................... 33 Fresh Air Recirculation (If Equipped)............................... 33 OPERATOR CANOPY (ROPS / TOPS)........................................... 34 Description......................................................... 34 OPERATOR CAB (ROPS / TOPS).............................................. 34 Description......................................................... 34 Cab Door............................................................ 35 Front Window........................................................ 36 Front Wiper......................................................... 37 Window Washer Reservoir............................................. 37 Right Side Window................................................... 38 Heating, Ventilation, and Air Conditioning Duct..................... 39 TRAVEL CONTROLS......................................................... 40 Description......................................................... 40 Forward And Reverse Travel.......................................... 40 Turning............................................................. 40 MOTION ALARM SYSTEM (IF EQUIPPED)....................................... 42 Operation........................................................... 42 HYDRAULIC CONTROLS...................................................... 43 Description......................................................... 43 STANDARD Control Pattern............................................ 43 ISO Control Pattern................................................. 44 Quick Couplers...................................................... 45 Auxiliary Hydraulics................................................ 46 Relieving Hydraulic Pressure (Excavator And Attachment)............. 46 Return To Tank Valve (If Equipped).................................. 46 BLADE CONTROL LEVER..................................................... 47 Operation........................................................... 47 BOOM SWING PEDAL........................................................ 47 Operation........................................................... 47 DAILY INSPECTION........................................................ 48 Daily Inspection And Maintenance.................................... 49 PRE-STARTING PROCEDURE.................................................. 50 Operation & Maintenance Manual And Operator’s Handbook Locations.... 50 Entering The Excavator.............................................. 50 Seat Adjustment..................................................... 51 Seat Belt Adjustment................................................ 51 Control Console..................................................... 51 STARTING THE ENGINE..................................................... 52 Key Switch.......................................................... 52 Keyless............................................................. 53 Cold Temperature Starting........................................... 54 Warming The Hydraulic System........................................ 55 STOPPING THE ENGINE AND LEAVING THE EXCAVATOR........................... 56 Procedure........................................................... 56 Emergency Exits..................................................... 57 ATTACHMENTS............................................................. 58 Installing And Removing The Attachment (Hydraulic X-Change)......... 58 Installing And Removing The Attachment (Pin-On X- Change)........... 62 Installing And Removing The Attachment (Bolt-On X- Change).......... 68 Installing And Removing The Attachment (Pin-On Attachment).......... 74 OPERATING PROCEDURE..................................................... 75 Inspect The Work Area............................................... 75 Basic Operating Instructions........................................ 75 Lowering The Work Equipment (Engine STOPPED)........................ 75 Lifting A Load...................................................... 76 Excavating.......................................................... 77 Boom Swing.......................................................... 79 Backfilling......................................................... 80 Driving The Excavator............................................... 80 Operating On Slopes................................................. 81 Operating In Water.................................................. 83 Avoiding Track Damage............................................... 84 TOWING THE EXCAVATOR.................................................... 85 Procedure........................................................... 85 LIFTING THE EXCAVATOR................................................... 86 Procedure........................................................... 86 TRANSPORTING THE EXCAVATOR ON A TRAILER................................. 87 Loading And Unloading............................................... 87 Fastening........................................................... 87 PREVENTIVE MAINTENANCE...................................................... 89 MAINTENANCE SAFETY...................................................... 91 SERVICE SCHEDULE........................................................ 93 Chart............................................................... 93 CONTROL CONSOLE LOCKOUTS................................................ 94 Inspection And Maintenance.......................................... 94 SEAT BELT............................................................... 95 Inspection And Maintenance.......................................... 95 MOTION ALARM SYSTEM (IF EQUIPPED)....................................... 96 Description......................................................... 96 Inspecting.......................................................... 96 Adjusting Switch Position........................................... 96 TAILGATE................................................................ 97 Opening And Closing................................................. 97 RIGHT SIDE COVER........................................................ 98 Opening And Closing................................................. 98 CAB FILTERS............................................................. 99 Cleaning And Maintenance............................................ 99 AIR CLEANER SERVICE.....................................................100 Daily Check.........................................................100 Replacing Filter Elements...........................................100 FUEL SYSTEM.............................................................102 Fuel Specifications.................................................102 Biodiesel Blend Fuel................................................102 Filling The Fuel Tank...............................................103 Fuel Filters........................................................104 Draining The Fuel Tank..............................................106 Removing Air From The Fuel System...................................106 ENGINE LUBRICATION SYSTEM...............................................107 Checking And Adding Engine Oil......................................107 Engine Oil Chart....................................................107 Removing And Replacing Oil Filter...................................108 ENGINE COOLING SYSTEM...................................................109 Cleaning............................................................109 Checking Level......................................................110 Removing And Replacing Coolant......................................111 ELECTRICAL SYSTEM.......................................................112 Description.........................................................112 Fuse And Relay Location / Identification............................112 Battery Maintenance.................................................113 Using A Booster Battery (Jump Starting).............................114 Removing And Installing Battery.....................................115 HYDRAULIC SYSTEM........................................................116 Checking And Adding Fluid...........................................116 Hydraulic Fluid Chart...............................................116 Removing And Replacing The Hydraulic Filter.........................117 Removing And Replacing The Case Drain Filter........................117 Removing And Replacing The Hydraulic Fluid..........................118 SPARK ARRESTOR MUFFLER..................................................119 Cleaning Procedure..................................................119 TRACK TENSION...........................................................120 Adjusting...........................................................120 TRAVEL MOTOR............................................................122 Checking And Adding Oil.............................................122 Removing And Replacing Oil..........................................122 ALTERNATOR BELT.........................................................123 Belt Adjustment.....................................................123 Belt Replacement....................................................123 X-CHANGE................................................................124 Inspection And Maintenance..........................................124 TRACK ROLLER AND IDLER LUBRICATION......................................124 Procedure...........................................................124 BUCKET..................................................................125 Bucket Teeth Removal And Installation...............................125 LUBRICATING THE EXCAVATOR...............................................126 Lubrication Locations...............................................126 PIVOT PINS..............................................................128 Inspection And Maintenance..........................................128 EXCAVATOR STORAGE AND RETURN TO SERVICE.................................129 Storage.............................................................129 Return to Service...................................................129 SYSTEM SETUP AND ANALYSIS...................................................131 DIAGNOSTIC SERVICE CODE.................................................133 Service Codes List..................................................133 DISPLAY CONTROLLER PANEL SETUP..........................................134 Passwords...........................................................134 Password Entry (For Starting and Operating the Machine).............134 Changing The Operator Password......................................134 Password Lockout Feature............................................135 Job Clock...........................................................135 RPM.................................................................135 Viewing Service Codes (Key Switch)..................................136 Viewing Service Codes (Keyless).....................................136 MAINTENANCE CLOCK.......................................................137 Description.........................................................137 Setup...............................................................137 Reset...............................................................137 MACHINE SIGN TRANSLATIONS...................................................139 WARNING (6808185).......................................................141 LIFT CHART..............................................................142 425 STANDARD ARM (7132125)..........................................142 425 With LONG ARM OPTION & 428 (7135359)............................145 SERVICE SCHEDULE (7158257)..............................................148 WARNING (6807776).......................................................151 WARNING (6804114, 6817225, 6804233).....................................153 WARNING (6817815).......................................................154 WARNING (6808474).......................................................154 WARNING (6576048).......................................................155 WARNING (6815915).......................................................156 USING THE X-CHANGE SYSTEM (7102651).....................................157 USING THE X-CHANGE SYSTEM (7134587).....................................160 WARNING (6809829).......................................................163 JOYSTICK CONTROL PATTERN SELECTOR LEVER (6815957).......................164 SPECIFICATIONS..............................................................165 EXCAVATOR SPECIFICATIONS................................................167 425 With Standard Arm, Long Arm Option & 428........................167 425 With Standard Arm...............................................168 425 With Long Arm Option & 428......................................169 Performance.........................................................170 Controls............................................................170 Engine..............................................................170 Hydraulic System....................................................171 Hydraulic Cylinders.................................................171 Hydraulic Cycle Times...............................................171 Electrical..........................................................171 Instrumentation.....................................................171 Drive System........................................................172 Slew System.........................................................172 Undercarriage.......................................................172 Crawler Track Design................................................172 Capacities..........................................................172 Fuel Tank...........................................................172 Tracks..............................................................172 Type................................................................172 Ground Pressure.....................................................172 WARRANTY....................................................................173 WARRANTY................................................................175 ALPHABETICAL INDEX..........................................................177
S.S 10/03/2025
